Help I changed the plugs on my 98 mustang gt and now it's running rough and the check engine light came on. I checked the gaps is there something else I could have messed up in the process?
Help I changed the plugs on my 98 mustang gt and now it's running rough and the check engine light came on. I checked the gaps is there something else I could have messed up in the process?
If you did it one by one hopefully you made sure the cables are snug. Probably one or two cylinders are not running and that would cause the roughness. Just go back and make sure everything is snug. Gaps shouldn't cause that much of a rough idle.
if your gaps are fine and those are the right replacement plugs and all the wires are snapped in then the only other normal mess up is mixing up or crossing a wire or two accidentally.
I just did mine yesterday on my 98. On one plug I had to unplug the fuel injector harness from the injector to get to the plug. I forget to plug it back in and it ran rough. Just some ideas that maybe you forgot to plug everything in. Also check to see if all your sensors are plugged back into your intake tube.
Thanks to all who helped it was a valvle cover breather(or whatever the name of it is) that had come loose. Plugged it in and it's fine. Any trick to resetting the check engine light? If i disconnect the battery will it go off?