Question about 1988 Oldsmobile Cutlass Ciera

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No fire turns over but won't crank died while driving possible crank position sensor or ignition control modular where are they located

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  • s_s_m_o_k_i_
    s_s_m_o_k_i_ May 11, 2010

    are you sure it didn't jump timing? had same thing happen to me once

  • James Kent May 11, 2010

    What model and Make??

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My 2001 Hyundai sonata died while driving and will not start turns over cranks but wont start fuel pump? crank shaft position sensor ? where is the location of fuel shut off value help


no inertia switch or fuel switch--fuses or relays ---to test the fuel pump easiest is to spray starter fluid if it fires you have a fuel problem if doesn't fire look into ignition [ spark]

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Check for the presence of voltage to the coils and the ignition control module. The ignition switch may not be supplying power in the crank position.

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Windstar runs then dies then starts back up


At best, this would really be hard to find, since you can drive it hours before it happens. You could start by pulling all the fuses one at a time check them and put them back in. This gets rid of corrosion contact problems. You can also do the to all the plugs. Sounds like you have a heat up problem. Some thing in the electrical system is getting hot and loosing contact. Things that would kill the engine would be , the ignition switch, the map sensor, the mass air flow sensor, And the engine control module. Parts inside of these can heat up enough to loose contact. Your's is going to be a hard one to find. Until the part completely dies.

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1 Answer

Would a ingnition have any to do with the firing


It has everything to do with the firing. Ignition system consists of the computer, the crank and cam position sensors, the coils, spark plugs, ignition control module, the ignition switch, and the associated wiring.

If you have no fire (no spark), one would start by checking if ignition switch turning on causes the coil to receive battery voltage on the coil primary wire.
Always check for trouble codes when an engine problem develops. Codes stored in memory may have clues to why it won't start. If no codes are present and no spark (no ignition), suspect a bad crank position sensor (it can be tested by a shop), or possibly a bad ignition control module (also can be tested at a parts store for free).

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1 Answer

Infiniti qx56 started it to warm up and walked in the house and it died and won't start back. Cranks but not getting fire


well pcm control ignition timing and firing.pcm fires all the ignition coils, best have vechicle code scan for pcm fault or CKP OR CAM SENSOR FAULT.

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1 Answer

Was driving down the road and it just went dead. It's getting gas and fire but will not crank.


I encountered a similar problem on a chev 4cyl with a coil pack ignition ( no distributor). It would run for a while and suddenly die out and wouldn't restart until a 10 to 20 min. cooling period. It turned out to be a crankshaft position sensor going bad. On this engine it was located in the engine block under the ignition module on the firewall side.

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1 Answer

Need to know what fires coil 1995 mercury sable both wires to coil have power when key is turned on car cranks no spark from coil new coil what gives the coil extra power to fire


what engine? 3.0L 2 Valve? 4 Valve?
3.4L SHO engine?

The PCM (engine computer) fires the coils, but it is never the cause of a problem. I suspect it is the crankshaft position sensor on the front of the engine by the crank pulley. easy to change.

Crankshaft Position Sensor The crankshaft position sensor (CKP sensor) (6C315) is a variable reluctance sensor triggered by a 36-minus-1 tooth trigger wheel located on the crankshaft pulley and damper. The signal generated from the crankshaft position sensor is called the crankshaft position (CKP) signal, which provides base timing and crankshaft speed (rpm) information to the ignition control module (ICM) (12K072). Base timing is set at 10±2 degrees before top dead center (BTDC) AND IS NOT ADJUSTABLE. The powertrain control module (PCM) (12A650) will use this information with the spark advance information to determine ignition coil (12029) turn on or turn off time.

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1 Answer

Hard starting and dies at times while driving.


ignition coil pack it intermitten.

also check the crank sensor and the main crank pulley, this is where the engine gets its firing orders from

Jun 23, 2009 | 2001 Oldsmobile Alero

1 Answer

Location of ignition control module


It does not have an ignition control module.
The electronic ignition (EI) for the 4.0L engine consists of the following components:
Crankshaft position sensor (CKP sensor) and 36 minus 1 tooth trigger wheel.
Ignition coil .
powertrain control module (PCM) .
Related wiring.
The PCM controls the firing of the coil based on the signal from the crankshaft position sensor.
The crankshaft position sensor (CKP sensor) is a variable reluctance-type sensor, triggered by a 36 minus 1 tooth trigger wheel configuration machined into the rear of the crankshaft vibration damper. The signal generated by this CKP sensor is called a CKP signal. The CKP signal provides the base timing and rpm information to the powertrain control module (PCM). Base timing is set at 10 degrees BTDC and is not adjustable.
If vehicle has no spark then turn key to on position,check engine light should come on.As you start cranking engine it should go out while cranking after about 10 secs. it should come back on(while cranking). If it come on then the PCM sees the signal,if it does not then PCM is not seeing it and this is your problem,either the CKP sensor or the wiring to it.

Mar 16, 2009 | 1997 Ford Ranger SuperCab

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