Engine Performance problem
1986 Pontiac Fiero 6 cyl Automatic 80,000 miles
ok i sat at were i started i need to replace the exuast gasgeton the trunk side 2 bolt broke off in the head so had to take eng down to the block to the head out weere i could drill and tap the brokeing boltsdid and drring so i replaced plugs wires cap rotor know all back back together and running it seem good to run test driving went abut 10 min got on express way and good or aboy 2 min more sslowed down and then rpm jummping from 1 to 4 and not running right more it seem i let it run worse its getting as i kepp try things thout vacum leak but cant find one seem like the warm it gets and the more i try to run it that power is getiing weeker
any help would be nice opt sure if i could have over tighted the valve when butting it back together frt time i had to do vale like that or if its a egr vale like i read in some fourms or if the cat is pluged for some reason or were to start know i know thwer is a pile off the air filter box that is on the fire wall thae does not have hose on it not suer were is is to go but was never on ther when we got the car it the lage pipe of the two there
thak you
1986 Pontiac Fiero 6 cyl Automatic 80,000 miles
ok i sat at were i started i need to replace the exuast gasgeton the trunk side 2 bolt broke off in the head so had to take eng down to the block to the head out weere i could drill and tap the brokeing boltsdid and drring so i replaced plugs wires cap rotor know all back back together and running it seem good to run test driving went abut 10 min got on express way and good or aboy 2 min more sslowed down and then rpm jummping from 1 to 4 and not running right more it seem i let it run worse its getting as i kepp try things thout vacum leak but cant find one seem like the warm it gets and the more i try to run it that power is getiing weeker
any help would be nice opt sure if i could have over tighted the valve when butting it back together frt time i had to do vale like that or if its a egr vale like i read in some fourms or if the cat is pluged for some reason or were to start know i know thwer is a pile off the air filter box that is on the fire wall thae does not have hose on it not suer were is is to go but was never on ther when we got the car it the lage pipe of the two there
thak you
May 29, 2009 at 8:32 PM