Vacuum intake

Vacuum intake 2 Answers

My truck only drives consistently after 200rpm

Code P0171 and P0174 Along with P0430 (Pending) 4 Answers

Hello: 183k miles on 2004 Navigator. Had it for a long time and is well maintained. Started running very rough and loud (sounds like a diesel engine) and stalled when cold. Took it to a fairly tru...

have a 1998 lincoln navigator. runs rough at idle and sometimes dies. check engine light on indicates both banks lean upstream and down stream. changed o2 sensors, installed new fuel filter. no change. no apparent vacuum leaks. any ideas on what the problem may be. 2 Answers

2004 Lincoln navigator heating problems 5 Answers

I just had a rebuilt drivers side head installed, car runs fine but the heat is just a bit over luke warm. I had my shop install a new thermostat and while at the shop it heated up great, I drove 10-1...

Drive train rattling. Goes away in 4x4. What is it? 1 Answer

I have a 2013 Lincoln Navigator. It developed a rattle/grind under the driver side towards the front. It happens at the low end of the gear range when accelerating. Usually only gears 2 - 5. It seem...