Question about 2006 Chevrolet Impala
When i was driving my car it started to stall and the engine failsafe mode can on as will as check engine light then it just stopped. I turned off the car and started it up again it went slow and i tryed to give it gas but it was slugish i drive it home then when i tryed it again it wound not crank over
Check engine light on , failsafe mode . The first thing to do would be to hook up a scan tool an check for DTC'S - diagnostic trouble code's . Was the vehicle overheating ? Failsafe mode will shut the vehicle off to save the engine if it is over heating . Do you know if the vehicle has electronic throttle control ? Was their a yellow wrench symbol lit on the instrument cluster as well ?
Posted on Jan 08, 2018
SOURCE: rebuilt engine 5.7 l 1998
I broke down and purchased a new crank shaft sensor . It cost $15000 hated to spend it because everbody told me they just don't fail , and why would it when it worked fine before the motor was rebuilt. IT FIXED IT.
Posted on Feb 04, 2009
. Have it checked for a trouble code. It seems like a sensor problem. ( Idle position , crankshaft position, camshaft position sensors could be bad. Also the EGR valve could be bad. with a caode you can narrow it down a bit.
Posted on Feb 06, 2009
this may be the cause, try it and see if it helps, it is a very common cause of problems like yours.
Here is the most common cause of surges and stalls and low idle rough idle, it is the idle speed control air-bypass valve and throttle valve (IAC for short), they get full of gunk over the miles and cause idle issues (stalls, low idle) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake.
Posted on Mar 03, 2009
have the car checked when the check engine light is on,also a good scanner will be able to give you the history codes,get back to me with the codes and we'll go from there. you need someone with a professional scan tool
Posted on May 13, 2009
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