2001 Pontiac Sunfire Shifting

HEATHERSCHANGE

MEMBER
2001 PONTIAC SUNFIRE
4 CYL
AUTOMATIC
97,000 MILES

I was told my car is stuck in 3rd gear. When I pull off the rpm runs high and moves slow until I hit 35-45 mph. Then it kicks in. The blown cig lighter fuse was changed and the car shifted just fine. But only for one day. Now it's doing it again. The cig fuse is still good. What's going on? Costs?

Thursday, October 16th, 2014 AT 12:19 PM

7 Replies

JACOBANDNICKOLAS

MECHANIC
110,176 POSTS

Is the check engine light coming on?

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Thursday, October 16th, 2014 AT 7:05 PM

HEATHERSCHANGE

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4 POSTS

It was on. I just got the o2 sensers replaced today. The check engine light is off now but I'm still having the shifting problems

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Thursday, October 16th, 2014 AT 7:16 PM

JACOBANDNICKOLAS

MECHANIC
110,176 POSTS

Was the computer scanned for transmission codes?

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Thursday, October 16th, 2014 AT 7:49 PM

HEATHERSCHANGE

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4 POSTS

Yes. No codes came up. Got it checked at two different places

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Thursday, October 16th, 2014 AT 7:59 PM

JACOBANDNICKOLAS

MECHANIC
110,176 POSTS

I don't mean to be a pain, but were the places that checked it able to actually test for trans codes? Many of the places only check for engine codes, especially if it was a parts store.

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Friday, October 17th, 2014 AT 5:22 PM

HEATHERSCHANGE

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The two places I went were transmissions body shops. I went to a third place yesterday and it ended up being a bad throttle sensor. Works just fine now. Thanks for your time

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Saturday, October 18th, 2014 AT 9:42 AM

JACOBANDNICKOLAS

MECHANIC
110,176 POSTS

That can do it. I'm surprised the check engine light didn't come on. Regardless, I'm glad it's fixed. Let us know if you have questions in the future.

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Saturday, October 18th, 2014 AT 4:30 PM