Thread: Hard Start only when warm H2 2003
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Old 11-09-2013, 05:50 PM
jsbihn jsbihn is offline
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Default Re: Hard Start only when warm H2 2003
Ok,
Have you checked for leaks?
I know I sound like a broken record, but if you have a vacuum leak or fuel leak.... well there would be your issue.

Given, you can always got to any auto parts shop and ask to borrow their vacuum pump or gauge.

And also, HT did give you the alternative to a vacuum pump (removing the line and plugging it). Trust me if HT has given you the way, you should follow. He is the ultimate Hummer Guru

(and I know many of us are extremely thankful he is on the forum - Thank You Humtech)
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