my car is having trouble picking up speed on 2002 Mazda Protege

3 days ago i got my car a tune up and oil car has trouble picking up speed, when i'm at a stop light it starts to shake. and my check engine light is flashing.

by in Fresno, CA on February 17, 2011
2 answers
ANSWER by , February 17, 2011
take it back to the shop that did the tune up and have them re check. it sounds like you have a bad coil or wire that they may have missed. Roy
ANSWER by , February 17, 2011
so with that require a diagnosis test or they can just look at it and know