backfire

pav40

Cadet
Thread starter
Joined
Jun 24, 2011
Messages
8
my 3.0 mercruiser starts good runs goog up to 35 mph then it starts backfireing
 

Bondo

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Apr 17, 2002
Messages
71,545
Re: backfire

my 3.0 mercruiser starts good runs goog up to 35 mph then it starts backfireing

Ayuh,.... Welcome Aboard,.... My guess is she's starvin' for fuel,....

Check, 'n change the fuel filters...
 

pav40

Cadet
Thread starter
Joined
Jun 24, 2011
Messages
8
Re: backfire

Ayuh,.... Welcome Aboard,.... My guess is she's starvin' for fuel,....

Check, 'n change the fuel filters...

did that did not change it still backfires above 35 mph
 

fat fanny

Lieutenant Commander
Joined
Feb 9, 2006
Messages
1,935
Re: backfire

Check your fuel pressure from the pump if the filters and carb re-build isn't it. I personally would check the fuel pressure 1st least exspensive thing 1st.
 
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