92 mx-3 code 3 and 34

it has to be scaned with a scan tool then fix what comes up on the scan tool then take the scan tool to errase whatever codes that was showing

34 comes up as an EGR problem

10w30 and 3.5 quarts with filter change

need codes .not diy

I think 34 is MAP sensor code make sure you have vacuum to sensor

I suggest getting a service manual. If you've never done one before, a book will explain a vehicle specific order of operations. Chiltons or Haynes are good. consider it $20 insurance. Good Luck.

i would have the timing belt checked

I have a 1988 Oldsmobile Cutlass Ciera 3.8 ltr and for the life of me can't find out how to check the codes. I have looked and can't find the OBD1 plug in. I have been told I need to jump a and b something or another with a paper clip and read the lights on the dash. Can anybody fill me on how to do this. Thank you.

i don't know, but i'm pretty sure there is a throttle position sensor of sorts on there. that sounds like the reason. as far as that and your check engine light, go to autozone or advance auto and get them to check it for free. or go to your local garage and have them read it (may cost you, may not). if you go to one for free be prepared, take a pen and paper to write down whatever the codes are. this way you can have the info for your mechanic or you can fix yourself.

According to what I've read, a code 12 on your vehicle is the "all clear" code. I haven't found any information to indicate otherwise. What was said is that if you had a pair of fail codes, for example - let's use 15 and 34 for argument's sake - when you scanned the computer, you'd see 15, 34, 12, and then they'd repeat. The 12 was an indicator at that point that you had seen all the codes that were stored, and that they would now begin to repeat. If you have no codes stored, you'd see 12 and that's it.