Rough acceleration, RPM drop
01-11-16, 06:46 PM
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Rough acceleration, RPM drop
Hi all, I have a 1990 NA convertible.
I bought the car back in May, and have had a few problems since then. I've fixed most of them, but here is the one that has me stumped:
When I accelerate out of a stop or through a turn, the car sputters, check engine light flickers, and my RPMs drop. I barely have any power. Once I reach a normal speed (25mph+) the sputtering stops, check engine light goes away and I get decent power. The car starts and idles fine (an achievement in itself, though the idle is a little low).
Car is completely stock except for an aftermarket radiator, the previous owner had a new crate engine put in 40k miles ago.
Newer O2 sensor (though it is a Bosch universal one - should I start here?) and plugs.
Thanks.
I bought the car back in May, and have had a few problems since then. I've fixed most of them, but here is the one that has me stumped:
When I accelerate out of a stop or through a turn, the car sputters, check engine light flickers, and my RPMs drop. I barely have any power. Once I reach a normal speed (25mph+) the sputtering stops, check engine light goes away and I get decent power. The car starts and idles fine (an achievement in itself, though the idle is a little low).
Car is completely stock except for an aftermarket radiator, the previous owner had a new crate engine put in 40k miles ago.
Newer O2 sensor (though it is a Bosch universal one - should I start here?) and plugs.
Thanks.
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mightymikee
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12-13-15 06:54 PM