2001 Chevrolet Monte Carlo transmission

MONTERYANCARLO

MEMBER
2001 CHEVROLET MONTE CARLO
3.8L
V6
FWD
AUTOMATIC
160 MILES

When I'm driving at 120kmph on the high way my car's rpm are at 4500! And if I give it more gas it will hit the red line. I dont get why its doing that even at 110kmph my rpms are at 4500. What could be causing this to happen, I'm wasting more gas.

Thursday, December 12th, 2013 AT 2:13 PM

3 Replies

HMAC300

MECHANIC
48,601 POSTS

Sounds like it is in limp mode have a trans guy scan it for codes it could be an internal problem which is likely.

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Thursday, December 12th, 2013 AT 3:42 PM

MONTERYANCARLO

MEMBER
27 POSTS

So if its internal, could that be expensive, or you wouldnt know? I just got this tranny about 3 4 months ago

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Thursday, December 12th, 2013 AT 6:39 PM

HMAC300

MECHANIC
48,601 POSTS

If the tranny was rebuilt tin that short of time it still should be under warranty normally they are good for 12k miles warranty it cold be electrical but if inside trans shouldn't cost anything.

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Friday, December 13th, 2013 AT 6:27 AM