I changed the intake manifold gaskets upper and lower labeled eveything and put it all back where it goes except mixed 2 push rods up it bent the long push rod beacuse it was suposed to be a short push rod bought a new one and put them where they go. now the car is running realy bad and has a random/multiple cylinder misfire detected.
its a 99 pontiac grand am and the gasket was bad I replaced it with a "problem solver" new gasket I guess these cars are known for those gaskets going bad and its a 3.4L V6. I also had the battery unpluged for 2 days. and we broke the tentioner pulley and replaced it, i didnt know if that could have something to do with the crankshft pully/sensor it runs so bad the engine is jumping and the service engin soon is blinking.
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