TROUBLE CODE

Okay Here Goes. I Have A 1999 Saturn Sl2. I Got The Infamous P0401 Engine Code, Which Means Which Is For Egr Insufficient Flow. Okay...

Can Engine Cleaner/degreaser Be Used In Place Of Carburetor Spray In The Test For Vacuum Hose Leak Near The Manifold And Elsewhere?

Not Sure What And/or Code Means Or Where To Look To Fix The Engine Is A 5.2l Just Bought The Truck Not Real Sure On The History, I Do Know...

Replaced Knock Sensor, Still Get Check Engine Light That Comes On Under Heavy Throttle Then Runs Rough. Where Is The Electronic Spark...

I Understand Both Codes I Got From My Ecm But Which Of The Two Should I Check? Is There Any Chance That My Only Problem Could Be The O2...

I Am Trying To Get My Car To Smog. No Check Engine Light Is On, But If You Hook Up Scanner The P1298 Code Comes Up. So I Replaced It And...

Engine Performance Problem 1995 Saturn Sl2 4 Cyl Front Wheel Drive Automatic What Does This Mean & How Do I Go About Resolving This...

Idling Unstable

I Know Trouble Codes P0171, P01714 Mean Bank 1 & 2 Too Lean, But What Does That Mean I Should Do? When I Start It Up The Rpm's Drop Real...

Hi, (modulated Displacement Failure). Is This Something That I Can Replace, Repair. Somewhat Handy At Things Like This, Or Do I Need To...