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Turning A/C on or defrost on kills engine - 2004 Chevrolet TrailBlazer

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The throttle body needs to be cleaned, grime in this area prevents the throttle plate from closing completely and allowing air to enter, making the air/fuel mixture lean.

Posted on Oct 26, 2010


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Why does turning on rear defroster on kill the car?

Car dies with defrost on!?! - 2GStratus > 2GStratus > > General Discussion

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2001 Dodge Stratus ... I think that was odd, so I turn it back to defrost and this time the car dies ... the load the defrost puts on the engine with the extra belt running killsit. ... QUOTE (stockstrat4now @ Feb 3 2004, 12:34 PM). defroster switch
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[PDF]Owner's Manual - Dodge Dodgein the vehicle for convenient reference and remain with the vehicle when ... The detailed index, at the rear of this manual, contains a complete ...... killed. Follow the manufacturer's directions ex- actly when installing an infant or child restraint.

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Dec 10, 2015 | 2004 Dodge Stratus

3 Answers

Why does turning on the A/C kill the engine?

Not sure how you put a battery in your AC, first time I've ever heard of a car AC having a battery.
Your AC may need "recharging", but that has nothing to do with a battery. A/C systems are filled with a liquid/gas "freon". When it leaks out, the A/C stops working, and can put a heavier load on the engine. Perhaps it was over filled? That could make the compressor very hard for the engine to turn.

May 16, 2015 | Buick Rainier Cars & Trucks

1 Answer

I kill the 1996 saab engine when I stopped at the bank and come back out and it would not start.

run fault codes and check for cam/ crank position sensor. Check that the cam shaft is turning. Check operation of the immobiliser system

Jan 16, 2014 | 1996 Saab 9000

1 Answer

Engine failure

try checking the alternator might not be really recharging battery. if you're driving on just battery, any elect. use can kill car.

Aug 02, 2012 | 2005 Ford Taurus

1 Answer


Inspect the air conditioning compressor for being siezed up. Not the clutch on the front, but the actual compressor. I suspect it is the problem.

Feb 25, 2010 | 2003 Chevrolet TrailBlazer

2 Answers

1991 honda accord lx cooling fan

Some vehicles have sensors that can control the electric fan with the ignition off to keep the heat buildup that naturally occurs right after turning off the engine. This can prevent hard starting that can happen with a hot engine. If it is doing this an abnormal amount, the sensor that is operable with the ignition off may be failing. Before turning off the ignition, check to see if the engine temperature is pushing the 'red zone;' if it is, then the fan operation may be normal but your engine may be running hot.

Feb 05, 2010 | 1991 Honda Accord

1 Answer

2000 Ford F150--My defrost drains power from engine!

your a/c is going to run on defrost that is normal. but the if the noise is coming from the comp then you have bearings or clutch going out on your compress. if you want to delete the comp buy a belt for your truck with out a/c and see if you can make it fit sometimes you can do this.

Nov 16, 2009 | 2000 Ford F150 Flareside SuperCab

2 Answers

Turning on the ac kills my engine

Sounds like the clutch in the ac compressor is bad. Locking up and putting strain on the motor enough to bog it down and kill it.

Apr 25, 2009 | 2003 BMW 330

2 Answers

A/C Defroster

Easier than finding compressor.  Find the A/c pressure switch and disconnect.  This will be a two or three prong switch on an A/C line running towards the interior of the vehicle, typically on the passenger side of the engine compartment

Dec 17, 2008 | 2002 Suzuki XL-7

1 Answer

2000 Grand Caravan fan trouble

this sounds like the a/c compressor is locking up trying to stall engine. run the car with heater off, then turn on a/c or windshield defrost. if engine stalls (or almost) suspect faulty a/c compressor

Nov 13, 2008 | 2000 Dodge Caravan

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