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-   -   Engine Bog's (https://blazerforum.com/forum/engine-transmission-35/engine-bogs-39250/)

Freakshow 01-13-2010 04:29 PM
Engine Bog's
 
Hi Guys

New to the forum hopefully maybe someone can help

i have a 2000 GMC Jimmy 4.3

When i try to accelerate hard the engine bogs, doesn't go no where, i can accelerate normally without any issues.

Complete tune has been done, not MAF, Cat has been changed,fuel pressure is fine

Any suggestions?

Spectreblazer 01-13-2010 04:31 PM
Originally Posted by Freakshow (Post 286489)
Hi Guys

New to the forum hopefully maybe someone can help

i have a 2000 GMC Jimmy 4.3

When i try to accelerate hard the engine bogs, doesn't go no where, i can accelerate normally without any issues.

Complete tune has been done, not MAF, Cat has been changed,fuel pressure is fine

Any suggestions?
sounds like a vacuum line is either broke or disconnected. time to break out the stethascope

Freakshow 01-13-2010 04:38 PM
vacuum is all good

no service engine lights on

Spectreblazer 01-13-2010 04:41 PM
thats odd. i'd still check all the vacuum lines just to make sure if you havent already. did you check vacuum from the test port? could be a broken hose after the port


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