View Here : Check Engine Light Flashing
The check engine light is part of your vehicle's onboard diagnostics (OBD) system. Computers have control and monitor vehicle performance, regulating such variables as engine speed (RPM), fuel mixture, and ignition timing, and may even tell the automatic transmission when to shift.
I have a theory if the plug intaller didnt change the wires its possible that the wires could have separated internally at the boot contact when they got pulled, it could have been fine for a while, spark jumping the gap , then corrosion/erosion could be causing intermittent spark as it tries to jump , now showing up now as a misfire
A malfunction indicator lamp (MIL), or check engine light, is a tell-tale that a computerized engine-management system uses to indicate a malfunction. Found on the instrument panel of most automobiles, it usually bears the legend check engine, service engine soon, or a pictogram of an engine - and when illuminated it is typically either an amber or red color.
2004 - 2008 Ford F150 - Flashing Check Engine Light - What's up guys, I have a 2004 FX4 with the 5.4. When I merge on the highway and really accelerate my check engine light flashes for the next few miles and then shuts off. I can't pull any codes from computer. Any ideas where to start? Thanks Guys.
Your “Check Engine” light comes on when your car’s onboard computer (or PCM, Powertrain Control Module) records some kind of problem. This onboard computer runs your car so that it has optimum fuel economy and low emissions.
Your Check Engine light is shining like a beacon of bad news. What's going on? The car still runs well and idles fine. Maybe it's an electrical snafu. It's sure to turn itself off at some point ...
The top 10 check engine light repairs from the annual CarMD ® Vehicle Health Index™ reinforces what the Car Care Council has been saying for years. Motorists who ignore the check engine light get less miles per gallon and could face costly repairs down the road.
The check engine light illuminates when your vehicle's computer believes there is a problem that could affect — or is affecting — your car's emissions control system.
check engine light with flashing cruise control light - Checked codes at Auto Zone: catalyst efficiency low-bank 1 probably cause: CC failure possibly due...
If the check engine light comes on in your Subaru there is always a corresponding code set in the computers memory. You can read about how the system works here.