Question about 2003 Cadillac Escalade

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Reduced engine power code on dash

The truck randomly throws this code on the dash while going down the road and starts bogging down and will not accelerate more than 1500rpms. it runs very rough when stopped afterward. i have to shut the vehicle off for about a good solid minute before turning it back on to correct the issue temporarily.

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  • 104 Answers

If you have a check engine light on check the codes first.

Posted on Dec 02, 2012

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Posted on Jan 02, 2017

SOURCE: bogs down

Even though this is an old post i feel it needs an answer since there is 225 followers wanting an answer. This situation sounds as if this vehicle is either suffering from the Throttle Position Sensor switch which has bad spots in it causing lack of voltage or the Fuel rail pressure regulator which can not keep the fuel pressure built up in the fuel rail making the auto veel like it is running out of fuel.And the transmission speed densor which also controls fuel. The situations for each device has a test that can be done to determine which one it is. And last but not least lets never forget our fuel filter this can cause the exact same problem. I am eliminating the cam sensor because it stabilizes at idle. Eliminating the crank sensor because it too at idle also stabilizes and returns a smooth idle. So a fueling problem is what we have here one of the above. Enjoy and if you need help determining which one just ask me I will help you figure it out. Please rate my advise thanks it is how i receive my achievements.

Posted on Apr 11, 2012

  • 3230 Answers

SOURCE: Car bogs down when given gas.

Hi there,
This problem is most commonly caused by a weak fuel pump. It will need to be checked with a fuel pressure guage. If you can obtain a fuel pressure guage you will need to observe the fuel pressure while accellerating to see if it drops out.
good luck

Posted on Jun 20, 2009

SOURCE: i have a couple codes P0335,P0385,P0171,P0174. My

Resolve trouble codes and try again, if car runs ok no problem if not, write again.

Posted on Jul 16, 2009

  • 490 Answers

SOURCE: truck has been running rough, changed spark plugs,

do a compression test on each cylinder you may have a cracked head gasket

Posted on Oct 13, 2009

  • 2 Answers

SOURCE: multiple misfire trouble code

my truck did the same thing. turn out it was a Max Air Flow sensor. cost for part is 350.

Posted on Oct 28, 2009

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Engine looses power and tranny wont shift


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I think you most likely have an ignition problem at this point but you have to do some "hands on" checking to determine what's going on...
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Jan 30, 2009 | 1988 Jeep Cherokee

1 Answer

Reduced power on hills or inclines


It could be either, but I'd lean toward the fuel filter for three reasons - first off, that symptom is usually indicative of a clogged fuel filter (you drive fine when the road is level and your engine doesn't need too much power, but when you go uphill, or punch it to pass, it bogs because the filter is clogged and restricts the flow of fuel to the engine). Also, I'd do the filter because it's both easier and cheaper, and even if it doesn't fix the problem fully, the fuel filter is a wear item that needs replacement periodically and you're therefore not wasting money by buying one and installing it. Finally, a bad O2 sensor will usually throw a fault code and a check engine light. It has to be fully "bad" to do so, and could be getting there but not bad enough yet to throw a code, but the fuel filter is a more likely candidate. Change that out and see if the problem goes away.

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