2004 grand am 3.4l v6

5

Asked by Mar 02, 2017 at 12:52 AM about the 2004 Pontiac Grand Am SE

Question type: Maintenance & Repair

Sudden rough idle and coolant everywhere under
the hood on the passenger side code says o2
sensors are bad and misfire on number 2 cylinder
where do i start?

4 Answers

87,165

You start by figuring out the coolant leak. If the engine got hot, there may be some big problems like a head gasket. Should do a compression test.

7,485

the coolant leak may have caused those other problems

5

Rowefast , beatupchevy the car never overheated

87,165

Well that is good, Just have to find the coolant leak. Maybe coolant spraying all over the place got some sensors wet and just need to dry out.

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