Having problems with your 2001 GMC Sierra 2500HD ?

2001 gmc 6.6 diesel 2500hd,the problem wont rev

\015 2001 gmc 6.6 diesel 2500hd,the problem wont rev over 2000rpm when eng light is on, put my code reader on no code found,but when i push erase to get the light off erery thing is find\015 Posted / edited by AnonymousUser on : 26-10-2020

Answers :

Safety[ limp] mode truck wont go over 2000 rmp but it will get u safely off road or to a service station or home ur getting some kind of code thats effecting ur truck --use a different reader urs might not be able to retrieve the problem code but can reset the computer-some auto stores such as auto zone / advanced auto scan for free check shops in ur local area
Repair Help & Product Troubleshooting for 2001 GMC Sierra 2500HD

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