Question about Cars & Trucks
Trys coil packs s/h new sparks plugs crank sensor s/h cam sensor s/h but they r all working got them tested
Does the immobiliser light go out on the dash when you insert the key in ignition. Also check for fault codes by bridging terminal 4 and 13
Posted on Dec 10, 2012
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Posted on Jan 02, 2017
i believe this line is fused from the E.C.M.,go to your local library and find a chilton's auto manual,this will tell you for sure
Posted on Aug 31, 2009
SOURCE: 1997 GMC CRANKS NO START
Go to a library that has a set of the factory service manuals (not Chlton's or Haynes or Motor's). The FSM's will give you all the trouble hotting charts that the dealer techs use.
Posted on Feb 01, 2009
On this model engine, the power to the coil pack is delivered directly from the power transistors located inside the PCM.
If you are not getting the signal to fire going into the coil, verify you are getting a good waveform from the crank angle sensor, and that the wiring from it to the PCM is intact. If the crank sensor is delivering signal to the PCM, and the PCM is not generating pulse via the internal power transistors, the PCM has failed (the power transistors blow open, it is fairly common on this Chrysler PCM).
Posted on Oct 30, 2009
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