What are the symptoms of a misfire in a Ford?
The basic symptom of a misfire is a light to severe rough idle that’s felt when the engine is idling and a light to severe engine miss (hesitation) when the engine is under load (for example: your Ford vehicle moving from a stop). The check engine light (CEL) is on.
What causes a Chevy 350 to backfire constantly?
The air intake boot or tube transfers air from the mass air flow sensor into the throttle actuator and then into the engine. If there is a problem with these parts such as a tear or rip it will allow un-metered air into the engine which the computer will see via the oxygen sensor which in turn will deliver less fuel creating a lean condition.
What causes the Check Engine light to light up?
Although quite a few things can cause a misfire code (or codes) to pop up and light up the check engine light (CEL)… troubleshooting a misfire isn’t all that hard. That’s right, it’s not hard. There’s a method to the madness of troubleshooting a misfire on your 4.0L Ford Explorer (Aerostar, Ranger or Mountaineer).
What causes a car engine to backfire with low gas mileage?
On older engine’s ignition timing is set at a specific degree in relationship to the crankshaft. If this timing is mis-adjusted it can cause low power, poor gas mileage, engine detonation (pinging) and backfiring through the intake or exhaust system.
What kind of problem does Mercury Mountaineer have?
Mercury Mountaineer 2004, AWD, V8. Bought this used with 40k miles on it. The engine dies (dead) when using the cruise control. control, several minutes pass by and suddenly the engine is dead. Most of the warning lights in the instrument cluster come on.
What to do if your Mercury Mountaineer starts stall idle?
I recommend a BG Induction service if you have never had this done and your vehilce is over 65,000 miles. Mercury Mountaineer 2004, AWD, V8. Bought this used with 40k miles on it. The engine dies (dead) when using the cruise control. control, several minutes pass by and suddenly the engine is dead.
When did the dpfe sensor go away on the Mercury Mountaineer?
We took the Mountaineer to another dealer and they replaced the DPFE sensor in July of 07. Until then to now the problem went away.