Car only revs to 4,000 revs - Alfa Romeo Forum
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(Post Link) post #1 of 5 Old 23-09-08 Thread Starter
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Hmmm Car only revs to 4,000 revs

156 2.0 twin spark. any suggestions? no idea whats wrong with it. i bought the car few months ago. dont know to much about them
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Re: Car only revs to 4,000 revs

Hi welcome to AO.

moved to 156 tech section
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156 selespeed

Re: Car only revs to 4,000 revs

Hi, what year is it, I think the early models had a rev limiter until the engine was a certain temperature.

Might be to do with this.
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Re: Car only revs to 4,000 revs

Likely to be the Mass Air Flow Sensor or it could be in 'limp' mode. Does your lambda light come on.
Do a seach on both and see if anything rings a bell.
Good Luck
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Re: Car only revs to 4,000 revs

Its the MAF. Guaranteed.
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