fuel leak mazda b2200 1991 model

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  #1  
Old 10-20-08, 05:41 AM
hobbs_m's Avatar
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fuel leak mazda b2200 1991 model

i have a fuel leak on my 91 mazda b2200 only when it is cold outside...during warm months, no leak...as soon as temp gets below 40ish, the leak comes back...it appears to be coming from behind the carb and air filter housing...i see the fuel lines going into a round (not the filter) part...could be the fuel pump...

i can't tell if the fuel pump itself is leaking or if the fuel hoses are leaking...i think it could be due to old fuel lines that are cracked...when it is warm, the cracks are sealed up due to expansion, but when the temp gets cold the opposite occurs...

any ideas or suggestions???

thanks...michael
 
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Old 10-23-08, 06:22 PM
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most likely a o ring that is getting hard cold. the hoses might be leaking at the fitting when cold and hard, cracks will not seal when warm on hoses.

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