fuel pump and fuel mixture

specops_SC

Registered User
would a fuel pump on its last legs cause the misture to become lean in my sc? and if so, would that lead to higher running temps? mine sounds funny but my car has been overheating ever since it started its funny sounds. any help would be appreciated..
 
nope it wouldnt, all the pump just does is just pump out fuel at a same constant rate, what would cause a change in mixture is either ur 02 sensors are shot, ur MAF is shot, ur ECT is shot and some messed up vacuum lines. good luck
 
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