Questions & Answers for: Mercury Sable stumble

1994 Mercury Sable 3.8L engine stumbles (best word I can come up with) while cruising. Does fine under acceleration. Occasionally will idle roughly. Disconnected vacuum line to the EGR valve and ...

had a po301 code , changed plugs and wires on the 2001 sable duratec.car still stumbling under acceleration.what should i look at next? sounds to me like a coil in the coil pack

the engine will stutter, or stumble, at most any speed, have replaced plugs and wires,,,seems worse at times while going up hill you have a bad coil pack. id change both coil packs at the same time

engine stumbles at idea and when driven Without driving the car,having codes to check out and doing a lot of testing, to see what does work I will be as kind as I can be. Stumbles won't help

check engine light on took to auto zone to get code read missing on cylinder 3 A code P0303 may mean that one or more of the following has happened: Faulty spark plug or wire Faulty coil (pack) Faulty

My mechanic tells me that to get my 2002 Mercury Sable V6 to run propoerly, I have to replace my non-working a/c compressor in order to get my DPFE sensor to operate properly. Really? What does a ...

...it is, apply vacuum to the EGR valve vacuum port with the engine idling.  The engine should stumble and/or stall.  If it does not, your ports are clogged.  If it does, the most ...

mercury sable trouble codes 1401 1131 stumbles at low revs poor, fuel economy, cylinder 1 & 2 misfire I would start with checking my spark plugs for signs of fouling. Beyond that, it sounds like ...

1997 mercury sable 3.0 flex fuel stumbles when idleing COULD BE A VACUMN LEAK. CHECK ALL CONNECTIONS, ESPECIALLY BEHIND THE THROTTLE ASSY