maXbimmer Forums - trouble starting in hot weather

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fitter527

06-19-2011 09:25 PM

trouble starting in hot weather

on really hot days,30+,it takes about a dozen or more tries to start my car.25-30,half dozen tries.under 25 the car starts first try.has anyone else experienced this before.:confused:

Surk	07-15-2011 12:56 PM

Could be your Intake Air Temp (IAT) sensor defective in intake manifold....this regulates what DME "thinks" should be cold\hot start..either that or you have a heatsoak problem..

Quote:

Originally Posted by fitter527 (Post 1508802)

on really hot days,30+,it takes about a dozen or more tries to start my car.25-30,half dozen tries.under 25 the car starts first try.has anyone else experienced this before.:confused:

Pierce330

07-15-2011 03:46 PM

Could be the crank sensor!

propr'one

07-15-2011 07:48 PM

take it to a shop, fix it before you blow your starter. Cranking for a while on hot days = premature starter failure.

sol_searchin

07-26-2011 12:34 AM

^Exactly, could also be a weak pump or a clogged fuel filter. Could be many things, but you will cause damage to your starter/kill your battery with the constant cranking.

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