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Why does 86 fiero 2.8 engine surge from 600rpm to 2000rpm repeatedly?
Wiki User
∙ 13y ago
Most likely a vacuum leak. Check your hoses.
Also Check Throttle position sensor and connector wires, I unplugged the t.p.s and
did not plug it back in, then started it.... surged from around 1000rpm to 2000+rpm repeatedly. check engine light on - code 22.
Wiki User
∙ 13y ago
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Is a 1986 GT Fiero engine compatible with a 1987 GT fiero without modifications?
Yes
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If you mean 1988 and they are both notchies, yes they will.
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Drop the cradle & engine together
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Depends on the engine
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no
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NOT IT,S A DUKE CAST IRON
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The engine support cradle is usually what fails
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The 2.8 V-6 engine was first used in the Fiero in the 1985 GT. It was called a 2.8H.O. engine and had 140 HP. It was the same in 1986. However, the same engine was used in other GM cars but had 130HP. In 1988 Fiero horsepower was reduced to 135. how ever they say 140 HP but dyno tests proove that the 86 fiero gt has 200 HP
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no were there junk any ways
