Close
Car Questions
RepairPal is your advocate for car care advice and guidance

Just replaced intake gaskets ran great for a week now misfiring

(1999 Lincoln Navigator)
of Rms Services in Pittsburgh, PA on October 11, 2010
Got p0171,p0174,p0300,p0304,p0307,p0308 have reason to believe my intake has to come back off! Used enrichment but could not see a short term adjustment.
Displaying 1 answer & 0 comments
Popular Answer
on October 11, 2010
Sounds like you have a big intake leak causing the engine to run lean, misfire and set the codes. if you can't find a leak anywhere else, you may have to remove the intake and check your gaskets, etc.
Sign in to reply
Get a repair estimate
RepairPal estimates are guaranteed at over 2,000 quality certified locations nationwide.
Or interested in getting a repair? Find a Shop

Similar Questions

View answers to similar questions from RepairPal's community of auto experts and enthusiasts.
Just bought the car a couple of weeks ago. the car idles just fine and drives around town fine as well. but as soon a...
I had the #7 ignition coil changed out but it still seems to be sputtering for some reason. is this common in most li...
Didn't find what you were looking for?