EMISSION

Car Running Rich, And Idles Rough At Low Rpm. I Just Replaced Head Gaskets, Which On That Car Requires Tareing The Whole Top End Down.

Just Replaced The Plugs, Plug Wires And Coil On This 3.0 V6 And It Still Bucks And Sputters During Heavy Acceleration Or When Trying To...

I Have A 1996 F-150 2 Wheel Drive 5.0l. I"ve Replaced What Seems Like Everything To Do With The Egr System Yet Can"t Get Rid Of The Check...

Check Light Came On And A The Code For Egr Valve Was The Problem I Changed It And It Still Has The Same Problem. What Should I Do?

Engine Performance Problem 1996 Ford Explorer 6 Cyl Two Wheel Drive Automatic How Do You Change An Egr Valve When You Can't Get A...

1997 Ford F150 122,000 Miles. The Check Engine Light Is On And Reads "egr Excessive Flow". I Have Replaced The Valve And Cleared The Code...

Hi There, My Friend Has Put Petrol In His Diesel Astra, We Have Drained The Tank And Refilled With Diesel. Changed The Fuel Filter And Added...

An Error Code States That Either The Secondary Air Pump Or Secondary Air Selenoid Needs To Be Changed. Both Are Expensive Parts And I Would...

I Am Trying To Change The Egr Valve And I Can Not Get To The Bottom Bolt On The Valve. I Am Woundering If I Have To Take The Alternator Off...

1994 Chevy S10 4.3 Engine Light Comes On After Engine Is Warmed Up And Driven For A While Come Up With Code 32 Egr Valve. Replaced With New...