NAPA Echlin Fuel Injectors

Fuel Injector

NA10235FJ

What does a Fuel Injector do?The Fuel Injector is an electronically controlled valve that is supplied with pressurized fuel by the fuel pump and when energized atomizes the fuel into a fine mist so that it can burn easily by the vehicle’s engine.

Where are Fuel Injectors located?The Fuel Injector is mounted in the intake manifold so that fuel is sprayed directly at the intake valves. A fuel supply rail connects all of the fuel injectors to the fuel supply.

Will a malfunctioning Fuel Injector illuminate the check engine light or affect vehicle operation?A failing sensor can illuminate the MIL and cause the engine to run too rich or lean, leading to misfire and loss of power.

What are the common causes of failure? Improper fuel filter maintenance can cause the injector to clog with debris. Poor quality fuel often results in deposits on the fuel injector disrupting the fuel spray pattern.

How to determine if these injectors are malfunctioning?The Ultra Cleen (2-18495) and Pro Cleen (2-18496) Fuel Injection Cleaning Kits can test fuel pumps, pressure regula-tors and diagnose leaking fuel injectors. An injector balance test with a scan tool will determine fuel contribution and an injector drop test will determine fuel flow through each injector.

What makes NAPA Echlin Fuel Injectors the best.

NAPA Echlin flow matched injectors promote smooth •engine operation and balanced fuel delivery reducing overall fuel consumption and harmful emissionsStainless steel calibration slide and spring assembly •prevents corrosion within the fuel control body leading to an extended service lifePrecision wound and trimmed solenoid windings allow •the computer to command efficient delivery of fuelHigh-temp Viton o-rings enable prolonged sealing of •injector under extreme heat conditions

Nissan 2-18140

Honda 2-18211

Toyota 2-18093

Chrysler 2-38858

GM 2-18899

Ford 2-18509

NA10235COP

IgnitionCoil-on-Plug

What does an Ignition Coil-on-Plug coil do?In Coil-on-Plug (COP) technology, since each cylinder has a coil, the PCM controls individual cylinder firings for more precise ignition timing, reduced emissions and better fuel economy.

Where are these Ignition Coil-on-Plugs located?The Coil-on-Plug coil is usually mounted on the top of the cylinder head just above the spark plug. The coil is connected to the spark plug with a stainless steel spring connector and protective insulating boot.

Will a malfunctioning Coil-on-Plug illuminate the check engine light or affect vehicle operation?Yes, a failing Coil-on-Plug can illuminate the MIL, and is likely to create an engine misfire condition.

What are the common causes of failure? Typically the COP coils fail due to exposure to high heat moisture and oil as they are mounted on top of the engine. The coil windings can fail due to the large flow of amperage.

How to determine if Coil-on-Plugs are malfunctioning.The output of the Coil-on-Plug coil can be determined by inserting a spark tester into the coil boot and cranking the engine over. Occasionally the wiring to the coil or the PCM can fail therefore the primary circuit to the coil should be checked for proper voltage and computer control.

What makes NAPA Echlin Ignition Coil-on-Plugs the best.

NAPA Echlin Coil-on-Plug assemblies are manufactured •from the finest components for optimum performance and a long service life under all operating conditionsNeodymium in the core creates the strongest magnetic •field and produces max high voltage output at all speedsHigh dielectric epoxy is injected into the case and pulled •into a vacuum to eliminate air pockets and prevent moisture intrusion or thermal breakdownNAPA Echlin’s reinforced bobbins prevent voltage flash-•over for an extended service life

NAPA Echlin Ignition Coil-on-Plugs

Nissan IC590

Honda IC441

Toyota IC463

Chrysler IC584

GM IC649

Ford IC566

NA10235CPS

Nissan Camshaft Sensor

CSS1004

Honda Crankshaft Sensor

CSS9025

Toyota Crankshaft Sensor

CSS9041

Chrysler Camshaft Sensor

CSS1100

GM Crankshaft Sensor

CSS212

Ford Camshaft Sensor

CSS522

CrankshaftPosition Sensor

Camshaft Position Sensor

What does a Camshaft/Crankshaft Position Sensor do?The Camshaft sensor determines which cylinder is firing to establish injector synchronization and coil firing sequence in DIS systems. Crankshaft sensors set ignition timing, supply the RPM signal, and determine engine speed.

Where are these sensors located?The Camshaft Position sensor is typically located in the cylinder head of the engine and has a cylindrical portion that inserts into the head. The Crankshaft Position sensor is normally located in the timing cover or on the side of the block with a cylindrical portion that inserts into the block.

Will a malfunctioning Cam or Crank Sensor illuminate the check engine light or affect vehicle operation?Yes, a failing sensor can illuminate the MIL, and may cause vehicle stalling or a no-start condition.

What are the common causes of failure? Typically these sensors fail due to exposure to high heat.

How to determine if these sensors are malfunctioning?Look for RPM on a scan tool while cranking the engine. If the engine runs, a scope is the best diagnostic tool. Typical trouble codes: Crankshaft P0335; Camshaft P0340.

What makes NAPA Echlin Camshaft and Crankshaft Position Sensors the best.

Integrated A/D converter and digital signal processing •with a dynamically adaptive switch point improves accuracy and operationAdvanced circuitry protects the system from stray •electro-magnetic fields and power spikesCustom magnetic circuit programming calibrates the •sensor while performance testing for improved timing accuracy between the target wheel and sensor output100% environmental, endurance and end-of-line testing •for Timing, Pulse Width and Signal Amplitude ensures consistent product reliability

NAPA Echlin Camshaft/Crankshaft Position Sensors

NA10235VSS

Ford VSS306

GM VSS237

Chrysler TSS100

Toyota VSS247

Honda VSS625

Nissan VSS704

What does a Vehicle Speed Sensor do?The Vehicle Speed sensor or VSS measures transmission/transaxle output or wheel speed. The ECM uses this information to modify engine functions such as ignition timing, AF ratio, transmission shift points, and to initiate diagnostic routines.

Where are these sensors located?The Vehicle Speed sensor is typically located at the transmission or transaxle.

Will a malfunctioning Vehicle Speed Sensor illuminate the check engine light or affect vehicle operation?Yes, a faulty sensor can illuminate the MIL, and may cause numerous and varying drivability problems due to the number of tasks the sensor output is involved in.

What are the common causes of failure? In addition to wear, these sensors may have metal contamina-tion, gear damage, or exposure to water intrusion depending where the connector is located.

How to determine if these sensors are malfunctioning?The PCM monitors the VSS for component malfunctions as well as circuit problems. The diagnostic codes range between P0500 and P0503. The VSS can be checked with a scan tool or undergo a resistance check.

What makes NAPA Echlin Vehicle Speed Sensors the best.

As a global manufacturer, NAPA Echlin has complete •control of the manufacturing process from componentry to finished product for a trouble-free product100% environmental, endurance and end-of-line testing •for signal amplitude and polarity ensures consistent product reliability and performance

Vehicle Speed Sensor or Transmission

Input Speed Sensor

NAPA Echlin Vehicle Speed Sensors

NA10235APS

Nissan 2-80088

Honda 2-80053

Toyota 2-80045

Chrysler 2-80146

GM 2-80036

Ford 2-80012

Accelerator Pedal Sensor

What does an Accelerator Pedal Sensor do?The Accelerator Pedal sensor indicates the position of the accelerator on vehicle models with electronic throttle control. The APS is basically a throttle position sensor (TPS) with a pedal attached.

Where are these sensors located?The APS sensor is part of the accelerator pedal.

Will a malfunctioning Accelerator Pedal Sensor illuminate the check engine light or affect vehicle operation?Yes, a failing sensor can illuminate the MIL, and may cause the vehicle to have drivability problems such as poor acceleration or limited vehicle speed.

What are the common causes of failure? Typically these sensors fail due to the constant contact of the movable wiper arm over the sensor element.

How to determine if these sensors are malfunctioning?A quick way to check the sensor is to look for smooth voltage changes on the signal wire as the Accelerator Pedal sensor is being depressed and released. Note: most Accelerator Pedal sensors have multiple sensors in the same housing.

What makes NAPA Echlin Pedal Sensors the best.

As a global manufacturer, NAPA Echlin has complete •control of the manufacturing process from componentry to finished productNAPA Echlin pedal sensors maintain specific installed •outputs to match OE rather than adjustable consolidated designsEach sensor undergoes rigorous end-of-line testing with •thousands of data points to validate output voltages for optimum performance and trouble-free operation

NAPA Echlin Accelerator Pedal Sensors

NA10235TPS

Nissan 2-20175

Honda 2-60044

Toyota 2-16693

Chrysler 2-16675

GM 2-19187

Ford 2-20170

Throttle Position Sensor

What does a Throttle Position Sensor do?The Throttle Position sensor moves with the throttle and sends a voltage signal to the computer indicating throttle angle and speed of movement data. The comput-er uses this data to measure engine load, adjust timing, fuel delivery, EGR, converter clutch operation and clear flood mode.

Where are these sensors located?The TPS is mounted on the throttle body.

Will a malfunctioning TPS illuminate the check engine light or affect vehicle operation?A failing TPS can illuminate the MIL, and cause the engine to hesitate upon acceleration or experience idling problems.

What are the common causes of failure? Typically these sensors fail due to the constant contact of the movable wiper arm over the sensor element and the exposure to the high under hood heat.

How to determine if these sensors are malfunctioning?Look for smooth voltage changes on the signal wire as the throttle plate is being opened and closed. The diag-nostic codes range from P0120 through P0125.

What makes NAPA Echlin TPS Sensors the best.

NAPA Echlin TPS maintain specific installed outputs to •match OE rather than adjustable consolidated designsCircuits are printed on flexible polyimide film or •ceramic-based substrates for excellent dimensional stability preventing electrical performance driftNoble palladium/gold/platinum alloys provide low contact •resistance for extended service lifeEach TPS uses integral rotor bearings and return springs •for easy installationEach sensor undergoes rigorous end-of-line testing with •thousands of data points to validate output voltages for optimum performance and trouble-free operation

NAPA Echlin Throttle Position Sensors

NA10235EGR

Toyota 2-16400

Ford 2-19023

Ford 2-19199

Ford 2-19200

Ford 2-20213

Ford 2-19108

EGR Position & EGR Pressure

Sensor

What does an EGR Position Sensor do?The EGR Position sensor detects the movement and position of the EGR valve pintle. The EGR Pressure sensor detects exhaust gas flow through the EGR passage.

Where are these sensors located?Mechanical EGR valve position sensors are mounted on the top of the EGR valve. EGR pressure sensors will be located close to the EGR valve as the exhaust gas hose must be connected to the sensor as well as the valve.

Will a malfunctioning EGR Position or Pressure Sensor illuminate the check engine light or affect vehicle operation?Yes, a failing sensor can illuminate the MIL, and may cause drivability problems. The signal is critical to the performance of the engine management system. Too much flow and the engine will stall or have a rough idle. Too little flow and emission gasses (especially NOx) will be elevated and detonation will occur.

What are the common causes of failure? Typical failure is due to opens, shorts or intermittent signals. A DTC P0400 – P0408 can be set due to gas flow malfunc-tions including no flow, too much or too little flow.

How to determine if these sensors are malfunctioning?A scan tool can be used to monitor the EGR Position or EGR Pressure data for changes during EGR operation.

What makes NAPA Echlin EGR Sensors the best.

NAPA Echlin EGR sensors use the finest components •including multiple precious metal contacts and polymer thick film resistors to provide extended service lifeMeticulous quality control and manufacturing processes •assure that each EGR sensor’s voltage output measure-ment will always be accurateEach sensor undergoes a rigorous end-of-line test validat-•ing output voltages to exacting specifications for reliable, trouble-free operation

NAPA Echlin EGR Position and EGR Pressure Sensors

NA10235KS

Nissan DKS518

Honda DKS569

Toyota DKS616

Chrysler DKS103

GM DKS208

Ford DKS323

Knock Sensor

What does a Knock Sensor do?This sensor creates a voltage signal based on the vibrations caused by detonation. The computer uses this signal to retard timing when spark knock occurs.

Where are these sensors located?The Knock sensor is typically located in the lower engine block, cylinder head or intake manifold.

Will a malfunctioning Knock Sensor illuminate the check engine light or affect vehicle operation?Yes, a failing sensor can illuminate the MIL, and may cause pinging and drivability problems.

What are the common causes of failure? The Knock sensor can be damaged and fail if it is over tightened during service or replacement. There are 10 diagnostic trouble codes that can be set, ranging between P0325 through P0334.

How to determine if these sensors are malfunctioning?To check for proper operation, monitor the Knock sensor data parameter on the scan tool. Some activity should be occurring while accelerating the engine. The diagnostic codes range between P0324 and P0333.

What makes NAPA Echlin Knock Sensors the best.

NAPA Echlin Knock sensors are designed to respond •to knock frequencies up to 1000 Hz accommodating shifts in engine knock frequency making it a more flexible sensor responding to correct engine knock over a broad range of vehicle conditionsManufacturing processes include an automated data •acquisition system to continuously monitor the sensor output to ensure that it responds with appropriate voltage output at the specified frequency rangeAll units are 100% tested using an accelerometer •vibration test to ensure trouble-free operation

NAPA Echlin Knock (Detonation) Sensors

NA10235MAP

Ford 2-16505

GM 2-19181

Chrysler 2-16519

Toyota 2-27026

Honda 2-27024

Nissan 2-16859

MAP Sensor

What does a MAP Sensor do?The MAP sensor converts engine vacuum/manifold pressure to an electrical signal so the computer knows how much load the engine is under. This data is the basis for fuel delivery and timing control.

Where are these sensors located?The MAP sensor is typically located in the air cleaner, fender wall, firewall, intake manifold or under the dash.

Will a malfunctioning MAP Sensor illu-minate the check engine light or affect vehicle operation?Yes, a failing sensor can illuminate the MIL, and may cause the engine to have a rich or lean fuel mixture condition.

What are the common causes of failure? Typically these sensors fail due to moisture entering the sensor when the engine is off and due to normal wear of the sensor element.

How to determine if these sensors are malfunctioning?The Diagnostic Monitor tests for voltages outside of the normal range. The PCM also compares actual MAP output to calculated values to determine sensor performance deterioration. The calculated values are based on TP and various engine load factors.

What makes NAPA Echlin MAP Sensors the best.

As a global manufacturer, NAPA Echlin has complete •control of the manufacturing process from componentry to finished product to ensure precise operationOur manufacturing process includes extensive use of •robotics for precision assembly100% product in-line and end-of-line inspection from raw •material to packaging of finished product

NAPA Echlin MAP (Manifold Absolute Pressure) Sensors

NA10235TS

Ford TS4040

GM TS4052

Chrysler TS3004

Toyota TS57233

Honda TS5027

Nissan TS4057

Air Charge/ManifoldTemperature Sensor

What does an Air Charge/Manifold Temperature do?The Air Charge/Manifold Temperature sensor is used by the computer to measure air density for fuel mixture control. The computer uses this information to trim the air/fuel ratio according to the air density.

Where are these sensors located?They are located either in the intake air tubing or intake manifold and may be incorporated into the MAF sensor.

Will a malfunctioning Air Charge/Manifold Temperature Sensor illuminate the check engine light or affect vehicle operation?Yes, a failing sensor can illuminate the MIL, and may cause the engine to run rich or lean as a result of a failed sensor and may idle poorly especially when cold.

What are the common causes of failure? Typically these sensors fail due to exposure to the under hood heat from engine operation. Collecting debris on the sensor element may also cause it to operate improperly.

How to determine if these sensors are malfunctioning?A DTC will be set if an abnormal reading occurs, P0112 low input or P0113 for a high input. The air charge/manifold sen-sor temperature reading should closely match the engine cool-ant temperature reading on a scan tool if the engine has not been run for over an hour. The sensor circuit can be checked for proper voltage using a voltmeter.

What makes NAPA Echlin Air Temp Sensors the best.

As a global manufacturer, NAPA Echlin has complete •control of the manufacturing process from componentry to finished productTemperature sensor design specifies tight tolerance •thermistor response values to assure accuracy of the temperature measurement and proper part operationAll Air Charge and Manifold Temperature sensors are •100% factory tested to ensure trouble-free performance

NAPA Echlin Air Charge/Manifold Temperature Sensors

NA10235CTS

Nissan TS5583

Honda TS5618

Toyota TS5723

Chrysler TS5617

GM TS4020

Ford TS4047

Coolant Temperature

Sensor

What does a Coolant Temperature Sensor do?The Coolant Temperature sensor changes resistance with the temperature. The Coolant Temperature sensor is critical to many PCM functions such as fuel injection, ignition timing, variable valve timing, and transmission shifting.

Where are these sensors located?The Coolant Temperature sensor is located in a coolant passage in the engine usually near the thermostat.

Will a malfunctioning Coolant Temp Sensor illuminate the check engine light or affect vehicle operation?Yes, a failing sensor can illuminate the MIL, and cause the engine to run rich or lean. The transmission may shift incorrectly or not lock-up the torque converter.

What are the common causes of failure? Typically these sensors fail due to corrosion within the coolant system. They may also leak coolant through the wiring connector.

How to determine if these sensors are malfunctioning?A DTC will be set if an abnormal reading occurs, P0116 for sensor performance, P0117 low input or P0118 for a high input. The Coolant Temperature sensor temperature reading should closely match the air charge/manifold temperature reading on a scan tool if the engine has not been run for over an hour. The sensor circuit can be checked for proper voltage using a voltmeter.

What makes NAPA Echlin Coolant Temp Sensors the best.

As a global manufacturer, NAPA Echlin has complete •control of the manufacturing process from componentry to finished productTemperature sensor design specifies tight tolerance •thermistor response values to assure accuracy of the temperature measurement and proper part operationAll Coolant Temperature sensors are 100% factory •tested to ensure trouble-free performance

NAPA EchlinCoolant Temperature Sensors

NA10235BPS

Ford 2-19000

Ford 2-19106

Ford 2-16523

GM 2-19012

GM 2-19317

GM 2-27077

BarometricPressureSensor

What does a Barometric Pressure Sensor do?The BARO sensor reads the barometric pressure. The PCM uses this information to make adjustments to fuel trim and engine timing. The engine requirements are quite different when driving in San Diego at sea level as compared to Denver at 5,000 feet.

Where are these sensors located?Standalone BARO sensors are typically mounted on the fire-wall or the inside fender skirt. Late model BARO sensors are incorporated into the MAP sensor, and may be mounted on the intake manifold.

Will a malfunctioning Barometric Pressure Sensor illuminate the check engine light or affect vehicle operation?Yes, a failing sensor can illuminate the MIL, and may cause drivability problems such as stumbling, stalling and sluggish acceleration.

What are the common causes of failure? Typically these sensors fail due to exposure to the elements as the result of mounting location.

How to determine if these sensors are malfunctioning?The BARO sensor can be checked with a scan tool by compar-ing the scan tool read out to the local barometric reading.

Standalone Ford sensors require a special tool to determine if the sensor is functioning properly. The ECM will set DTC P0105 when there is an open or short in the BARO circuit. There is a Fail-Safe strategy that turns on when this code is detected. The PCM uses a predetermined ignition timing and AF trim to maintain emission levels.

What makes NAPA Echlin BARO Sensors the best.

As a global manufacturer, NAPA Echlin has complete •control of the manufacturing process from componentry to finished product to ensure precise and trouble-free operation every time

NAPA Echlin Barometric Pressure (BARO) Sensors