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H3 RUNNING ROUGH

Posted: Fri Jun 17, 2011 1:33 pm
by Brian
Hi all here's my problem my no. 5 cylinder is missfireing 155-160 i have tried a new coil and spark plug but no help cylinder 1 300 cy no 2 400 3cy at 400 4 at 500 and before i tear this moter down i was wondering if anyone can help or has expierinced this with thier h3.Thanks Brian

Re: H3 RUNNING ROUGH

Posted: Fri Jun 17, 2011 2:21 pm
by dwaxman1
Brian...give Steve a call at Master Mechanics or PM him on here.. he has the experience you are looking for,,,

Re: H3 RUNNING ROUGH

Posted: Fri Jun 17, 2011 2:46 pm
by MasterMechanic
brian i can definitely help you. please give me a call at 905-455-8888 thanks

Re: H3 RUNNING ROUGH

Posted: Fri Jun 17, 2011 5:14 pm
by johnnyspikesH3
Brian go see him ! You wont be sorry ! Great prices too ! <img src='http://www.canadianhummerclub.com/forum ... iggrin.gif' class='bbc_emoticon' alt=':grin:' />

Re: H3 RUNNING ROUGH

Posted: Fri Jun 17, 2011 10:43 pm
by Brian
[quote name='MasterMechanic' timestamp='1308336407' post='28302']

brian i can definitely help you. please give me a call at 905-455-8888 thanks

[/quote]

Thanks man i will call you on sat ok? if not on mon. thanks Brian

Re: H3 RUNNING ROUGH

Posted: Wed Jun 22, 2011 8:24 pm
by Brian
Hi Steve from MASTER MECHANICS thanks for your information as it turned out all i needed to do is run a speacial injector cleaner (that you can only get from gm) through the system and presto worked like a charm.Thanks again for your time. Brian

Re: H3 RUNNING ROUGH

Posted: Fri Jun 24, 2011 9:54 am
by MasterMechanic
excellent news. i have learned something new today. i have not heard of that fix but if it helps great. anything else you need let me know thanks