2007 Chevrolet Colorado "check engine light flashing" Questions

...check engine light is on constantly, and flashes sometimes. Was idleing rough, had diagnostics done, show misfire cylinder 5. figured it needed atune up changed all plugs and end up changeing coil ...

...the check engine light is on. It flashes 4 times, then stays solid a bit, then repeats this flashing indicates your eng is running rich or lean and that cat converter is being damaged by the ...

...check engine light) first check fuel pressure. if ok, does this problem get worse as engine warms up? sounds alot like a plugged catalytic converter. have it checked professionally. if so, find out ...

...check engine light to turn it on past 2 or 3 minutes normalizes (the flaw is similar to fault or plug as if drowned) http://www.coloradofans.com/forums/ YOU MAY FIND YOUR ANSWER HERE. tHERE ARE LOTS ...

...up.Have't checked fuel pressure at schrader valve yet. put gas line antifreeze. When it will not start, with the key in the on position and the engine off, does the security light

...check engine light was on without key inserted in ignition. Do not have code reader so haven't checked code yet. It also has daytime running lights. Hello. It seems your Chevrolet has either faulty ...

...light comes on to and then the engine dies all of a sudden and the battery is completely dead will not start back up I'm no mechanic, but the same happened to me on an older truck. The alternator on ...

check engine light lit or any other light, security light flashing or on solid ? I think that this varies from truck to truck, but it should be fairly easy to look in a user manual to find out what it

...check engine light and sometimes wont turn the light on depending, anyway it stores a code with the problem, example a scan tool is connect to truck connector and computer is scanned for codes and ...

check engine light does not come on. I have an 07 colorado and had this very same problem. Ocassionally i would hop in the truck and stick my key in...it would turn over but not crank. I read numerous