My check engine light on my 96 dodge ram 1500 5.9L the code when i did the stock code read was 121556 i don't have a book, so does anybody know what that is?


Asked by Jan 23, 2014 at 10:47 PM

Question type: Maintenance & Repair

2 Answers


I never trusted the flash out codes on an OBD2 Chrysler product, most auto parts stores will check the codes for free, go to one get the codes then repost here and we will try to help you get where you need to be.

Best Answer

It was a header gasket. now do you know if i can use High-Temp Rtv silicone gasket maker instead of buying a gasket

Your Answer

Add photo

Related Questions


Search Maintenance & Repair Questions

Maintenance & Repair Experts

#1 Tom Demyan
Tom Demyan
Reputation 174,640
#2 dandyoun
Reputation 93,430
#3 tennisshoes
Reputation 75,960
View All

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.