TBI question - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Mac1978 · 08-23-2008, 03:11 PM

Hey All,
I have a question thats probably just so painfully obvious, that i cant figure it out! On my 88 jimmy, when you rev it a bit in neutral, it pops and backfires a bit as the rpm decrease.It is also seeming to be a bit sluggish on acceleration. I just did an engine swap, and it did it with the old engine, too. I am assuming its probably the tps, or maybe even the throttle body itself. Has anybody else had this problem? Thanks

08-23-2008, 03:11 PM	#1
Mac1978 Registered User Join Date: Feb 2007 Location: central ky Posts: 11	TBI question Hey All, I have a question thats probably just so painfully obvious, that i cant figure it out! On my 88 jimmy, when you rev it a bit in neutral, it pops and backfires a bit as the rpm decrease.It is also seeming to be a bit sluggish on acceleration. I just did an engine swap, and it did it with the old engine, too. I am assuming its probably the tps, or maybe even the throttle body itself. Has anybody else had this problem? Thanks



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