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Back fire out of airbox and now it wont idle help please

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krause95

Well-known member
Joined
May 10, 2011
Messages
45
I just bought a 03 firebolt xb9r and I was running it to drive into the garage and then it backfired through air cleaner and now it wont start unless I give it gas and it wont idle. To keep it running I have to keep on the gas and it doesnt run very well. It was running fine before this with out problems for the few times I started it. It only has 8000 miles on it so the engine isnt that old.
Any ideas?
 
Did you pull off the air box cover to take a look at the filter and velocity stack? I saw a picture of one that melted up pretty well from a back fire. That would definitely cause some idling issues.
 
Are you able to or do you know anyone with an ECM spy cable, and program. if you have a CEL now, the program will be able to tell you the fault. if not, I you may just need a TPS reset. I have an 04 XB12R, and I had a similar issue, the TPS reset did th trick.
 

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