Question about 2005 Chevrolet TrailBlazer

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When come to stop engine stalled out. Restarted engine it acted like it had no gas. Restarted again it started and idled faster than normal. It at times has power surges. Taken it to dealer and they say no codes and can't duplicate problem. Then it will do it again. I could use some real help. I have a 2005 chevy trailblazer LS

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It sounds like it's the fan clutch. this has happened to my truck

Posted on Oct 10, 2010

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Posted on Jan 02, 2017

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Hi, I recently been have a problem with my 1998 Honda, passport. While driving my Honda it would shut down then starts again on its own while rolling. At times it would not start again on its own you need...


sure, rolling in gear you mean. (same effect as push starting a car with M/T) what speed did it restart, 5mph or 50 or 85mph.?)
what transmission. A/T or M/T? BEG ERROR there !

shut down,?
you mean stalls,
and engine can do 3 things
run too slow (way below 800RPM idle , illegal idle speeds)
stalls (rpm goes to zero or you find zero power from the engine )
if you stop the car, and the engine stalls that is an engine stall.

or run perfectly.

does your model have a tachometer to you can see RPM?
and if idle controls work,
not posting the trans type, (non body does here) makes answers near impossible. infact most will just ignore you posts.

with a M?T car the engine immediately returns (hot ) to 800rpm
and is regulated very closely by the EFI brain (PCM)
if not you are seeing IDLE control failure.
with and A/T there is no MT clutch and when you stop
the autoclutch drags (wastes fuel like mad) and puts a huge load
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on A/t are greatly taxed here.
so RPM can drop real low. fail. or stall. below 800
a stall happens at about 400 RPM.
the M/T can at any time be restarted on the fly (moving)
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this is how push starting any M/T car works.
but on an A/T car , on the fly restarts take huge speeds.
and only works on A/T that have 2 oil pumps.
the A/T with no rear pump , the A/T can not be push starter
or coast restarted, if the front pump is dead(engine stalled)
im not looking up your tranny spec. because you never stated, it.


my engine stalls. (not tranny slip)
1: bad 12vdc power to any EFI system component.
2: never ever tuned up per the free operators guide in glove box.
3: lost engine compression. 1 or all cylinders.
4: lost spark. (or timed wrong, early cars have distributors)
5: bad fueling. too much or too little

when the engine runs , does the MIL, CEL glow running
btw the CEL also glows, at all stalls. the lamp only means.
I HAVE ELECT power, now.... only.

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Engine stalls after start, then dies..


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Read the following and follow the instructions for this problem.

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Sounds like you idle air control valve is going bad. They start acting up on a hot engine due to sticking or high resistance through its internal windings. It will get to the point where the engine will stall every time you take your foot off the gas.
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