3.8 V-6 No spark


Asked by Jan 05, 2017 at 01:21 PM about the 2000 Buick Park Avenue

Question type: Maintenance & Repair

The full story .  Last year car just died ( no code ) wound up ICM under the
coil packs went out .Replaced with used parts. Six months ago random
misfire # 4 I install plugs and wires clear codes and no more trouble Two
weeks ago random misfire # 4 code ( no spark ) with timing light replaced
all coil packs and new ICM under packs and tested fuel pressure . Good for
a week. Last week No spark no code . Install crank sensor car ran fine for
two days . This morning no spark no code !!!!  SHOOT ME   Whats next?
Why no codes tripping ?

6 Answers




You can try to re-flash the PCm that's want gives you the codes, if that doesn't work you may need to replace it...

2 of 2 people found this helpful.

Is that something I can do with my Innova 3150 scan tool?



1 of 1 people found this helpful.

So if I remove the PCM Can it be tested at the dealer with out the car ? Should I try junk yard ( used ) one ?

1 of 1 people found this helpful.

Is the PCm you list the PROM control and is it built into the engine control module ECM

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