Question about 2002 Ford Taurus

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2002 taurus won't start - fuel press ok - no spark - replaced coil pack and camshaft position sensor - checked all fuses and relays - spins over fine - full of fuel - tried another key - 3.0 24valve dohc - no symptoms leading up to failure - no codes

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  • Ford Master
  • 17,970 Answers

I hear the same problem in this model and it turned out that he just needed a set of new spark plug wires. Are you try this?

The two most common causes for this concern is a...
- Faulty Crankshaft Position Sensor (CKP), or
- Bad fuel pump.

Make sure the theft light is not flashing rapidly, and the inertia switch is set:
- If the theft light is flashing, you most likely have a bad key. Let the car rest for 15 mins and try a different key (check the Owners Manual for armed/disarm)
- The inertia switch is in the trunk, on the right side. You will see a red button. Make sure it is depressed.

If both are ok, Check fuel pressure, and check for RPM with a scan tool:
- If no RPM signal, replace the CKP,
- If no fuel pressure, replace fuel filter and fuel pump.

Hope helps.


Posted on Jun 03, 2010

  • 5 more comments 
  • gahotrods Jun 03, 2010

    as mentioned in my description i have checked fuel pressure and its ok - tryed different key - changed camshaft position sensor and coil pack -

  • ZJ Limited
    ZJ Limited Jun 03, 2010

    If you note, I'm talking about CRANKSHAFT POSITION sensor, not CAMshaftsensor; so, I'm descripting all the few thnigs that caused this condition; I know that your pump is good (you tell us), just discard this choice and go to the next. Other additional items there (Theft and Inertia Switch). Test it and tell us news.

  • gahotrods Jun 03, 2010

    inertia switch not triggered - theft circuit seems ok - where is the crankshaft position sensor located

  • ZJ Limited
    ZJ Limited Jun 03, 2010

    Crankshaft Position (CKP) Sensor: Front of the engine attached to the timing cover near the
    crankshaft pulley (click for zoom).




    Fig. Connector locations-3.0L (VIN S) Engine-Rear







    Fig. Connector locations-3.0L (VIN U, 2) Engines-Rear



    Camshaft Position (CMP) Sensor
    3.0L (VIN S) Engine: Front of the
    engine attached to the forward cylinder head.




    Fig. Connector locations-3.0L (VIN S) Engine-Front


    Camshaft Position (CMP) Sensor
    3.0L (VIN U, 2) Engines: At the
    rear
    of the engine between the cylinder banks.






    Fig. Connector locations-3.0L (VIN U, 2) Engines-Front





    Also, if you can search additional information from your dealer, ask for the TSB about this:

    - # TSB #02221 -- ENGINE-GEAR DRIVEN SYNCHRONIZERS-INCORRECT INSTALLATION-CAMSHAFT POSITION SYNCHRONIZER (CMP) INSTALLATION TOOL CORRECT APPLICATION. *MJ (NHTSA ID #10008304, NOVEMBER 11 2002)

    - # TSB #870197 -- INCORRECTLY INSTALLED GEAR DRIVEN CAMSHAFT POSITION (CMP) SENSOR SYNCHRONIZER ASSEMBLIES CAUSING SURGE, LOST OF POWER, MALFUNCTION INDICATOR LAMP ON AND DIAGNOSTIC TROUBLE CODES P1336, P1309 AND P0340. *TT (NHTSA ID #10000592, OCTOBER 22 2002)

    Good luck.

  • gahotrods Jun 04, 2010

    just replaced the crankshaft position sensor and the car started right up - it's hard to get to for replacement, requiring removal of the right front wheel and inner fender panel for access - on the 24 valve ohc vin code s engine the crankshaft position and the camshaft position sensor are identical parts and will interchange - napa part number CSS504 - thanks for your help

  • ZJ Limited
    ZJ Limited Jun 04, 2010

    Your welcome, now you know where find me, thank you for using Fixya.

  • Anthony Brewer
    Anthony Brewer Feb 28, 2014

    I have the same problem I have changed the crank sensor the coil and the timing chains and cam sensor and fuel filter and keys what else can it be PLEASE HELP ME

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Crank but no start


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Car Won' Start


Car won't start?
First thing would be to check all your fuses. Most fuse boxes are located under the driver side dash panel. Some cars do have an extra set of fuses on passenger side kick panel (foot area on door side)
If all fuses are good, then next thing would be to test your relays with an ohmmeter.
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To check for spark, you can purchase and use a spark tester.
If you cannot obtain a spark tester, then the next best thing would be an ohmmeter. You can test the power coming from your coil packs or distributor depending on what you have. On distributorless vehicles (one with coil packs) the coil pack are attached to an ignition module. This module is powered by the Crankshaft Position Sensor. This sensor can be tested with an ohmmeter. The Crankshaft Position Sensor is the first thing to be tested if you have no spark in any cylinder. If you have spark in some cylinders but not all, then check the coil pack (1 pack per 2 cylinders).
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If you have plenty of good strong spark, then the next step would be to check for fuel.
Fuel system consists of Fuel Tank, Fuel Pump, Fuel pump Relay, Fuel Filter, Fuel Pressure Regulator and finally carberator or injectors.
Fuel injected systems have a fuel rail. On the fuel rail is a test port for fuel pressure. If you have a fuel pressure tester you can test how much fuel pressure you have. Or you can place a rag over the valve and press it in to see if there is pressure. If not pressure, check that pump is running. You should hear it run for a few seconds when key is first placed in the ON position. If pump is not running, check fuses and pump relay.
If pump is running but fuel pressure is low, check for leaks, plugged fuel filter, or leaky injector.
If your check engine light is on, then you likely have a faulty sensor or circuit and should have the engine codes read with a code reader/scanner to pinpoint exact problem area.

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Car won't start? First thing would be to check all your fuses. Most fuse boxes...


Car won't start?
First thing would be to check all your fuses. Most fuse boxes are located under the driver side dash panel. Some cars do have an extra set of fuses on passenger side kick panel (foot area on door side)

If all fuses are good, then next thing would be to test your relays with an ohmmeter.

If all your your relays and fuses are good, you will want to check for fuel and spark. A car needs air, fuel and spark to run.

To check for spark, you can purchase and use a spark tester.
If you cannot obtain a spark tester, then the next best thing would be an ohmmeter. You can test the power coming from your coil packs or distributor depending on what you have. On distributorless vehicles (one with coil packs) the coil pack are attached to an ignition module. This module is powered by the Crankshaft Position Sensor. This sensor can be tested with an ohmmeter. The Crankshaft Position Sensor is the first thing to be tested if you have no spark in any cylinder. If you have spark in some cylinders but not all, then check the coil pack (1 pack per 2 cylinders).

If you have a distributor, test the coil that provides the spark.

If you have plenty of good strong spark, then the next step would be to check for fuel.
Fuel system consists of Fuel Tank, Fuel Pump, Fuel pump Relay, Fuel Filter, Fuel Pressure Regulator and finally carberator or injectors.

Fuel injected systems have a fuel rail. On the fuel rail is a test port for fuel pressure. If you have a fuel pressure tester you can test how much fuel pressure you have. Or you can place a rag over the valve and press it in to see if there is pressure. If not pressure, check that pump is running. You should hear it run for a few seconds when key is first placed in the ON position. If pump is not running, check fuses and pump relay.
If pump is running but fuel pressure is low, check for leaks, plugged fuel filter, or leaky injector.

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