3
votes
1answer
98 views

Check engine light between 1300-1800 RPM

I have a 1995 gmc Sierra hd with the 6.5L turbo Diesel engine in it. I just recently bought it and when ever I hold around 1300-1800 rpm the check engine light comes on, when I take my foot off the ...
2
votes
2answers
1k views

1999 Honda Civic CNG, Flashing check engine light

I have a 1999 Honda Civic CNG with 140,000 highway miles. Initially, while driving the car at highway speed, the check engine light would flash and the car would lose power. I would have to stop and ...