Close
Car Questions
RepairPal is your advocate for car care advice and guidance

COMPUTER PROGRAM

(2003 Chevrolet Avalanche 2500)
in San Diego, CA on December 26, 2009
Hi there:

How should i know if the previous owner performed a modification on the computer´s program in order to gain gas mileage or to achive some more power ? He instaled big tires on it,

I´ll aprecite your advise, thank´s
Displaying 1 answers & 0 comments
Popular Answer
on December 26, 2009
Have the software version checked and check it with GM. It should match a very specific version, if not then it has been modified.
RepairPal estimates are guaranteed at over 2,000 quality certified locations nationwide. Learn more

Similar Questions

View answers to similar questions from RepairPal's community of auto experts and enthusiasts.
car over heated, and quit running. tow truck driver tried to restart, he held the switch in start mode for a long tim...
he said that it could be my sensors but shouldn't that have been checked after he put the starter on?
Didn't find what you were looking for?