OBD1 CODES Questions

I Got A Obd1 Code 83, Not Listed?

Computer Problem 1992 Jeep Wrangler 6 Cyl Four Wheel Drive Manual My Emmisions Test Failed, Obd1 Test Showed 33, Fault In A/c ????? My...

I’m Having Trouble Understanding How The Flashing Check Engine Procedure Goes To Get Code. Can You Explain It Better To Me And The...

Code 03, How Do I Trouble Shoot That?

I Can Jump The Pins On The Aldl Of An Old Gm With The Engine Running And Tell If It's In Open Or Closed Loop. Can The Same Be Done With A...

What I Want To Know Is More Than The Difference One The Surface, More Professional

Got A 12 And 71....1st Things To Replace Are??? Gonna Start With A Distributor Cap....any Other Ideas?

What Does Codes 81, 82 And 83 Mean?

A Guy I Work With And Myself Recently Worked On Someone Else's Car. After Everything Was Put Together, The Service Engine Light Was On. The...

Good Day Folks...i Have A 3.8 V6, Supercharged 1995 Buick Riviera. Which Obd System Do I Have ? Is There A Great Reference Book Especially...