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Reduced Power and Check Engine Light

Tiny
BILLTHURSTON
  • MEMBER
  • 2002 ISUZU RODEO
  • 3.2L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 168,000 MILES
Hello again. I have the reduced power and check engine light like before. I have replaced the EGR valve, TPS sensors on engine and gas peddle, and a mechanic ran two new power leads to the TPS on the engine. The mechanic now thinks it might be the throttle body, if so where can I get one for a decent price? Looked on line and they say not for my vehicle. I could use a hand and thanks.
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Thursday, June 30th, 2016 AT 4:31 AM

42 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
I would try cleaning the throttle body these guides should help. Here is a guide to help us fix the problem:

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

and

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

Please run down these guides and report back.
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Thursday, June 30th, 2016 AT 6:17 AM
Tiny
PATAGONIA
  • MEMBER
  • 7 POSTS
  • 2002 ISUZU RODEO
  • 3.0L
  • V6
  • 4WD
  • AUTOMATIC
  • 60,000 MILES
Hello, I have a rodeo isuzu and has caught the light reduced power, loses power and not walk more than 10 miles, I get the following codes.
P1120
P1125
P1515
clean the acceleration sensor, and left with more problems than before, now is not the light goes out.
Your help thanks
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Friday, January 8th, 2021 AT 9:27 AM (Merged)
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Try cleaning throttle plate on both sides and iac hole with choke cleaner first but it may need a new throttle body and or gas peddle assy It may also be apcm problem so a pro should really look at this.
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Friday, January 8th, 2021 AT 9:27 AM (Merged)
Tiny
PATAGONIA
  • MEMBER
  • 7 POSTS
Thanks
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Friday, January 8th, 2021 AT 9:27 AM (Merged)
Tiny
PATAGONIA
  • MEMBER
  • 7 POSTS
I need the engine manual isuzu rodeo 3.0 2002. Thanks
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Friday, January 8th, 2021 AT 9:27 AM (Merged)
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
You can rent them through us under repair or go to an auto parts
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Friday, January 8th, 2021 AT 9:27 AM (Merged)
Tiny
PATAGONIA
  • MEMBER
  • 7 POSTS
Friends I want to know if the engine isuzu rodeo 3.0 equals 3.2 engine. Serve its parts or the manual is the same.
Thx
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Friday, January 8th, 2021 AT 9:27 AM (Merged)
Tiny
2CP-ARCHIVES
  • MEMBER
  • 4,542 POSTS
  • 2002 ISUZU RODEO
  • 104,111 MILES
Reduced power light on
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Friday, January 8th, 2021 AT 9:27 AM (Merged)
Tiny
SATURNTECH9
  • MECHANIC
  • 30,870 POSTS
That usually means there is a problem with the throttle by wire system and its in limp fail safe mode. You need to have the computer scanned for codes and let me know the exact code numbers you have not code descriptions.
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Friday, January 8th, 2021 AT 9:27 AM (Merged)
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
The manual if like a year or two to yours should be sufficient the 3.0 and 3.2 will have minor differences.
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Friday, January 8th, 2021 AT 9:27 AM (Merged)
Tiny
PATAGONIA
  • MEMBER
  • 7 POSTS
Friends, my mechanic tells me it can not find the data sheets for my Isuzu rodeo 3.0 v6 petrol automatic. He says he is a rare model, where can I find information on my rodeo
body acceleration of 3.2 for 3.0 serves me
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Friday, January 8th, 2021 AT 9:27 AM (Merged)
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
I have no idea try Isuzu they made it.
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Friday, January 8th, 2021 AT 9:27 AM (Merged)
Tiny
PATAGONIA
  • MEMBER
  • 7 POSTS
Friends have a rodeo with reduced power isuzo 3.2 encendido. No what else hacer. El electric circuit is bien.Y bien. Que more sensors can damage the jeep. Oxygen sensors can be either the catalyst?
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Friday, January 8th, 2021 AT 9:27 AM (Merged)
Tiny
PATAGONIA
  • MEMBER
  • 7 POSTS
Friends have a rodeo isuzo 3.2 on reduced power not know what else makes the electric circuit is well and good that more sensors can damage the jeep oxygen sensors can be either the catalyst?
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-2
Friday, January 8th, 2021 AT 9:27 AM (Merged)
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
https://www.2carpros.com/articles/reduced-power-limp-mode

Please run down these guides and report back.
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Friday, January 8th, 2021 AT 9:27 AM (Merged)
Tiny
BILLTHURSTON
  • MEMBER
  • 9 POSTS
  • 2002 ISUZU RODEO
  • 3.2L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 167,000 MILES
Reduced power light is on with check engine. I was wondering if I could get the trouble shooting tree sent to me? Thanks.
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Friday, January 8th, 2021 AT 9:27 AM (Merged)
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
You need to scan for codes to see what is causing it first auto parts can do it for free if in US
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Friday, January 8th, 2021 AT 9:27 AM (Merged)
Tiny
RENEE L
  • ADMIN
  • 1,257 POSTS
Here is a link to an article that features written instructions and pictures explaining how to do the scan yourself, also I have included a link to our YouTube channel with a how to video on code scanning. Most scanners are inexpensive to purchase, you can purchase one from Amazon.com. Once you have the codes please get back to us so that we can further assist you. Thank you for visiting 2CarPros.

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

and

https://youtu.be/YV3TRZwer8k
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Friday, January 8th, 2021 AT 9:27 AM (Merged)
Tiny
BILLTHURSTON
  • MEMBER
  • 9 POSTS
Thanks guys. I have the codes P1125, P1295, P1299, P1515, P1340, P1326, P1310. I think some are for the transmission for the reduced power and I had to drive it home. From this site and others I am reading it is either the TPS or the one on the gas peddle. I replaced the TPS about 3 years ago but that could still be the problem. Any help is welcome and thank you
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Friday, January 8th, 2021 AT 9:27 AM (Merged)
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,833 POSTS
Hey Bill,

Please clear the codes and take it for another short drive as soon as the light comes on run the codes. This will bring up one or two codes that will help us find the problem. With a list that long some codes are false and we don't want to start going down the wrong road to fix it.
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Friday, January 8th, 2021 AT 9:27 AM (Merged)

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