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My Tahoe was lugging when I started it It finally started but my REDUCED ENGINE POWER light was on I tried to rev the engine and it barely engaged its a 2002 Chevy Tahoe what could this be

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  • Expert
  • 157 Answers

Fuel, spark or sensor. You need to get a scanner on it and read the codes. Could be many different things.

Posted on Dec 03, 2012

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Posted on Jan 02, 2017

FreeTech
  • 426 Answers

SOURCE: 2004 Chevy Tahoe - Reduced engine power message

have autzone check for any stored trouble codes, replace the fuel cap, make sure you have plenty of gas

Posted on Jul 25, 2008

  • 508 Answers

SOURCE: 2002 reduced engine power light

You have some kind of ECU problem. You will need to hook to the diagnostic port to find the problem. Your vehicle has gone into limp mode. This enables the vehicle to run, but at a diminished level until you can seek help for the problem. Do not continue to drive it this way as you may cause damage to the engine depending on the nature of the problem.

Posted on Feb 17, 2009

  • 1 Answer

SOURCE: 2004 chevy silverado

The above descriptions of the connector are very good. I washed the engine compartment yesterday, and immediately started getting the reduced enginer power code on the CIC, not performance. After reading several posts, I checked the connector on my 2003 2500HD, and found that the connector was not seated well and had gotten water in it. I cleared the water and the reconnected. The cables running from the fuse box to the connector are so short, the connector is in a bind and is pulled off-center. That is why the connector wasn't seated properly. The code went away, and the performance returned. By the way, be sure to do this after pulling the negative cable on your battery.

Posted on Apr 30, 2009

motor1258
  • 6674 Answers

SOURCE: 2006 Chevy Impala reduced engine power

best bet is to stop in at a Pep Boys, Autozone, or similar big autoparts seller, and ask for free trouble code scan, which should pinpoint area causing problem. If not obvious by codes, what is necessary to repair the problem code, get back to us with those codes and we will be glad to assist you further. Better this way, takes away the guess work, and saves you money, as well as getting it right the first time.

Posted on Dec 12, 2009

  • 1810 Answers

SOURCE: i am getting a reduced engine power message and

check your oil is it time for a change or just a refill

Posted on Jan 05, 2010

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there is a acuator that contolls the throttle they dont use a cable anymore. thats were i would look 1st

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Reduced engine power come with check engine ligth


Check and clean the connections on your battery first. If that doesn't work, some have said it turned out to be a problem w/ the throttle connector on their rides. It happened to me ( I had the reduced power light on my 2001 tahoe and was restricted to 15-20 mph max) and I started w/ the battery. Worked like a champ for me!

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The check engine light keeps coming on in my 2004 Chevy Tahoe. At first when it came on, it would show a warning message that states Reduced Engine Speed and the Tahoe wouldn't have any power. Now, it's...


Most auto parts stores have Scanners that can read the actual Codes causing the check engine light- usually for FREE. Google the Codes to determine what needs fixed.

Do not continue to drive it, as it may cause permanent damage!

GL,
Td

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My 2006 Chevy Tahoe displayed the Reduced Engine power and stability control system turned off. Drove the vehicle home at reduced power never. Temp OK, Battery gage read lower than the normal +14V, Oil...


the post that everybody refuse to read or acknowledge is the first simple instruction
when ever there is a problem , have the fault codes read first
it is free at autozone and other parts shops
then knowing what the problem is you can have it fixed at an accredited service center for less money that fixing what is not faulty costs

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go to a parts store like autozone they should scan for free

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I have a 2004 Tahoe, the engine light came on and then it said Reduced Engine Pressure. When I pushed on the gas nothing happened.


It was reduced engine power. I'd bet you have some "TAC" codes, Unless you are very mechnicaly inclined then you need to end up at a shop. They have been rewiring the tac modual and replacing the trottle bodies to fix this problem.

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the check engine light you are getting sounds like and electrical problem, have the battery and the alternator tested, and have autozone or the like pull the codes off for you and see if you can figure out what they are....

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