RepairPal is your advocate for car care advice and guidance

Q: Detecting timing issues that could be causing rough idle and lack of power on 2011 Mercury Grand Marquis

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
Ford dealer has replaced coils on 5,6&7 and eliminated fuel injectors. My past experience from the old days says the timing is off. The Ford analyzer says within specs. How can you determine timing issues?
Didn't find what you were looking for?