Question about 1995 Pontiac Grand Am

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Runs rough when idling, even worse in drive, and nearly cuts off in reverse. Loses power climbing a hill.Is not running hot. Oil and trans fluid look good. Sometimes "service engine light is on". Changed plugs and wires.

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I would perform a compression test on all cylinders if you've already changed your plugs and wires. This willtell u if u have ay mechanical problems with the engine. Also even tho you've changed your spark plugs and wires did you check your injectors or coil packs to ensure they're good. A problem with either will also cause misfires.

Posted on Sep 02, 2010

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http://technoanswers.blogspot.in/2012/01/1999-ford-f-150-idles-rough-and-quits.html
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I once owned a trans repair shop-
if your trans fluid was in any way other than
pink,your trans may as well come out
and be rebuilt

You have coil misfires as you know,several shown,
most likely only 1 real bad one.

You have O2 sensor codes as well as MAF

The only issue you have is to find the bad
coil
You can't do that buy the codes you have
You have to walk a new coil till you find the
really bad one or get professional help
Don't count on them getting it right

After the misfire and coil issues are solved
there are other thing that can be looked into

I could fix this for you but that's not an internet
option

I definitely would stay away from a dealer.

Why was the trans let go until the fluid was
black?
Not to be hurtful -but it is a well known fact
for decades, that trans fluid and power steering
fluids get changed every 30,000 miles on ALL
vehicles and never past 3 years.

Wish I could have been there sooner, before you
got it or since.

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