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Help Please!

N

nickfoster199

New member
So i have a 98 pontiac gtp 3.8. Ran fine until one day, I pulled out onto the highway and gave it gas to get up to the speed limit (55 MPH). It started jumping and every time i try to speed up now it bogs out and barely starts climbing up to speed? Dad has already replaced the fuel filter and spark plugs. Thought it might be a bad tank of gas (so he says) so i filled it up with 93 after using gas cleaner. Any ideas or suggestions? Because as of right now, I have no car for school and work. Thanks!
 


Also went to auto zone and the error codes change everyday. one day it says cylinder 1 is mis-firing then next day it said cylinder 3 was. So i am clueless
 
Could be a number of things, but if I had to guess, I'd test the fuel pump. You'll have a slew of other (possibly better) answers here soon I'm sure.
 
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