6
votes
4answers
15k views

Sputtering while driving & idling

[My car: 2004 Mazda 3] So, my wife came home from running some errands and told me the check-engine light was on and that the car was sputtering and felt like it was going to stall while stopped at ...
2
votes
2answers
569 views

Find short circuit in your car

I have three engine code on, two for two O2 sensors and one for EGR Value ($350). My mechanic is suspecting a short somewhere. My O2 sensors give almost 0 home resistance when it should give about 6 ...