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Limp mode

Tiny
LILILIL
  • MEMBER
  • 2005 HOLDEN COMMODORE
  • 6 CYL
  • 2WD
  • MANUAL
  • 118,000 MILES
Hi VZ V6 commodore check powertrain comes on -reduced power, goes off by itself runs normally. Had service 3weeks ago. But warning light had gone off. Didnt find any problem. Whats the go, could it be the fuel filter
Thursday, March 10th, 2011 AT 12:24 AM

8 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Hello,

It sounds like the throttle bore is dirty causing a correlation issue with the PCM causing the limp mode here is a guide to help you fix it.

https://www.2carpros.com/articles/reduced-power-limp-mode

Please run down this guide and report back.
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Thursday, March 10th, 2011 AT 4:33 AM
Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
I would get a dealer to do a scan with a TECH 1 scanner rater than a generic scanner for this problem, the tech 1 will give a lot more info, if you have to get a local work shop, to do the scan, ensure that they have a top of the range scanner or they may not pick up the fault.
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Thursday, March 10th, 2011 AT 12:33 PM
Tiny
BROWNIEBROWN
  • MEMBER
  • 2 POSTS
Hi my Vz Commodore overheated going to work and as it did my Check PowerTrain light came on is this a big problem will l still be able to use my car as it didn't seem to make difference when l was driving just that engine sign with lightning bolt came up any info would be great Regards Mark
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Wednesday, April 20th, 2016 AT 4:18 AM
Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Would not drive it to far, I would get the codes out of the ECU and post them here, it will shut down if it is a real problem or go into limp mode, the over heating will do more damage and has more than likely set all this in motion.
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Wednesday, April 20th, 2016 AT 5:06 AM
Tiny
BROWNIEBROWN
  • MEMBER
  • 2 POSTS
Thanks for advice its hard situation being lm a 1 income family so I followed the guide in the first post and it worked! I love this tie thank you so much.
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Wednesday, April 20th, 2016 AT 7:55 AM
Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Nice work, we are here to help, please use 2CarPros anytime.
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Wednesday, April 20th, 2016 AT 2:22 PM
Tiny
AARON PINNER
  • MEMBER
  • 2 POSTS
I driving my vz strom ute 6speed next minute just lost power and wouldn't go over 40kms, it start but when it is sitting they sound like it want to cut out like they no feul getting through it
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Friday, August 11th, 2023 AT 12:12 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,323 POSTS
I would clear the codes and then service the throttle body. This is the #1 cause of limp mode. Please check out these guides to help see what I am talking about and how to perform the service:

https://www.2carpros.com/articles/reduced-power-limp-mode

and

https://www.2carpros.com/articles/throttle-actuator-service

Please go over these guides and get back to us.
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Saturday, August 12th, 2023 AT 8:58 AM

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Related Engine Computer Limp Mode - Reduced Power Content

Reduced Power - Limp Mode
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Reduced Power - Limp Mode
The computer system that controls your car has a built in safety feature called "Reduced Power" or "Limp Mode" which is designed to get the car where it is...
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