Pontiac Grand Am Engine Backfire

Hello People! My Grand Am Has Rough Idle On And Off. It Was Missing A Lot Yesterday But Running Smooth At Idle For Most Of Today. It...

95 Pontiac Grand Am Just Had Coil Housing An Plugs Changed 2 Months Ago Car Started Missing Again Checked Plugs An 1 Was Cracked So I...

Car Will Not Start And Backfires

I Just Replaced My Fuel Injectors With Acel 19lbs Fuel Injectors Eveything Was Fine For 2 Weeks Now When I Punch The Gas There Is A Loud...

Wene Cranking Back Fires In Enjector Bowl After Cranking A Few Times Engine Starts And Runs Good Does Not Smoke. Replaced And Cheked...

When Step Down On Trottle Starts To Cut Out Real Bad If You Dont Leave Off The Gas It Will Back Fire And Shut Off It Is A 2.5 Distriberless...

My 1989 Grand Am With The 2.5 Iron Duke With 90,000 Miles On It Backfires At 1/2 To 3/4 Throttle. I Have Replaced Most Of The Sensors On The...