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Hummer H3 For the Hummer driver who wants the rugged look and off road capabilities of the Hummer, but in a smaller size and with a more fuel economy friendly engine.

P0017 with infrequent rough start

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Old Jul 25, 2024 | 05:46 PM
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  #11  
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Joined: Jul 2012
Posts: 8,999
From: C-Town
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Originally Posted by 4WDIY
I've never done a crankcase clean.

Only 4.25 quarts of old oil came out of this last change after only 1900 miles...
Where did the other 1.75qts go? Out the tailpipe? Leaking out the gaskets/seals? Still stuck in the engine? Simply check your tailpipe for oil residue and look under the engine for leaks.

 
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Old Aug 1, 2024 | 08:56 AM
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Took a swipe from the tailpipe. Some build up but was pretty dry.

 
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