PONTIAC GRAND AM ENGINE MISFIRE

Misfire In Cylinder 3

When The Engine Is Cold The Idle Is 1000 Rpm And The Engine Runs Fine But When It Warms Up It Drops Down To 500 Rpm And The Engine Rocks...

I Have A 2000 Pontiac Grand Am Se With 172,000 Miles. It Has A Misfire On 3 Cylinders. At Idle It Runs Rough And Low. As I Accelerate More...

Engine Performance Problem 1998 Pontiac Grand Am 131000 Miles When Driving, Car All Of A Sudden Jerks, Sometimes When I Acc. And...

Recently Changed Fuel Pump. Drove Fine Then I Got A P0455 For Small Emission Leak. A Couple Of Days Went By Then Got A P0456 Evap Vent. I Am...

Got The Car From A Buddy Blown Head Gasket, I Fixed It, Threw In New Coil Packs, Plug Wires And Spark Plugs, When Doing The Job. It’s...

Cold Compression All Cylinders About 175. New Plugs And Coils Check Good. Starts Good But When Warm Cylinder Four Drops Out.