I just want to update everyone that a new ECM (computer) did the trick.

Car no longer has ANY check engine lights, runs much nicer and I am happy that this issue is finally fixed after nearly a year of *fook* with it

1994 or 1995 ONLY. And if your car is eating that many PCM's, you have a deeper problem.


thanks will, and i thought they were known for pcm problems from my year.

but what kinda deeper problems could it be if any ? electrical ?

I would say either electrical or another factor like excessive ...

Scan doesnt cost me anything, I know the owner of the local garage very well.

I have never touched the PCM in the car ever, as far as I know its the original but yet again I did buy the vehicle with over 190k miles. And yes I forgot to tell you I had the fuel pressure checked, sits around 40psi ...

P0705- Trans Range Switch Circuit
P0342- Cam Signal Circuit
P1565- Cruise Servo Position Sensor Circuit

Obviously the cruise control one is not my main concern but the trans range is a new one since I last had it scanned with the same issues.

The car sometimes runs absolutely fine for well over ...

When I mean fuel system I meant fuel pump, fuel relay, filter and even some fuel line, all these were faulty and rusted away (in areas) yet somehow the car would start here and there when I first bought it. Lines where cleaned out all the way up through the rail during this replacement process.

I ...

I have a 1994 Bonneville SSE Non-SC and it has a bit of an issue. After replacing the entire fuel system from which why the car was being sold I began to test drive the vehicle around my home in the country. I immediate noticed its "odd" running abilities and random complete shutdowns. It seems as ...