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4.0

definitely annoying

Typical Repair Cost:

$38.00

Average Mileage:

94,000 miles

Total Complaints:

1 complaints

Most common solutions:

  1. swap out bad ignition coil (1 reports)
Pontiac Bonneville engine problems

engine problem

Helpful Websites About 1995 Pontiac Bonneville rough idle,loss of power

A D V E R T I S E M E N T S

problem #1

2008Sep 10

Bonneville SSE 3.8L

  • Automatic transmission
  • 94,000 miles

click to see larger images

rough idle,loss of power

Complaint Photos

Intro.
My 1995 Pontiac Bonneville SEE hasn't given me problems until now at 95,000. Then again what can you expect for a car that I bought for 1000.00 dollars, right? But so far so go. Until now.

Problem.
One day out of the blue my car loses Hp. Doesn't accelerate as fast, has a rough idle to the point where it seams like its going to stall and die out(Revering below 1000rpm at idle), and when I drive, right after the car is shifts into a different gear it Rumbles and Shakes like hell. So I say to my self maybe it was the cheap ass gas I put in it. So I refill with shell v power for 4.09 a gallon. (Not to bad for Romeoville) and even add a bottle of STP total system fuel cleaner and sure enough Nothing Changed.

Solution.
So I go online did a little research and found out that there are a million reasons why my car can be doing what is doing. So I started off with the easiest and cheapest ones first.
Check the Spark plugs, Spark plug wires, clean the coil posts, air filter, listen for any vacuum leaks, and so on so on so on. Until finally I stumbled across a video on Youtube, called Expert Village How to inspect an ignition coil. Which gave me the idea to check for a bad ignition coil by simple removing two wires from the top of one ignition coil then starting the car (making the car run on 4cylinders instead of 6) and watch the electricity Arch from one post to the next in a back and forth motion .(pretty cool to see and hear but not a recommended way of checking ) did the same thing to the other two coils and found one coil that didn't Arch. Swap the ignition coil with a brand new one for bout 40 bucks and Presto! It Works! Good as New.

Brandon Z.

Romeoville, IL, USA

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