PONTIAC ENGINE MISFIRE

1999 Pontiac Montana, Code Said Its A Mis-fire. Will A Tune Up Fix This For This Is What I Was Told? Seems Like It Will Be Something Else.

Recently Replaced Upstream O2 And Tps To Fix Po300 And Po171. After Replacing O2, Car Idled More Erratic, Then After New Tps, Idle Was...

The Code Is P0300 Have Changed Plugs And Wires, Coils Still Misfireing On 1 And 3

Service Engine Light Blinks Then Goes Solid, Had Code Read. The Code=cyl 6 Mis Fire, I've Replaced The Plug, Plug Wire, Coil Module. Trouble...

I Have A 1999 Sunifre Has A 2.2 4 Cly Engine, 97,000 Miles, The Check Engine Comes On And The Car Loses Power Like It Is Struggling To...

Vehicle Just Had Major Tuneup Including All Ignition Coils. We Also Replaced The Fuel Injector On Cylinder 2 And It Did Not Help. Maybe...

My Check Engine Light Currently Goes Off And On. One Day While It Was On, I Went In To An Advanced Auto Parts Store And Borrowed An Engine...

Car Skips While Turning Left So This Is Not Easy To Explain, But From A Complete Stop In My 99 Pontiac Grand Prix, If I Hit The Gas Too...

2001 Pontiac Sunfire, 120000 Miles 2.2 Litre Engine. My Car Was Chugging This Morning And I Was Wondering If It Is Due To The Very Cold...

I Have A 1989 Pontiac Bonneville Le 3800 That I Can't Figure Out. It's On And Off Mis-firing On Cylinder 5. Is This Something That Is...