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Re: cold start issue... Fuel Pump check valve already replaced! Posted by mlc [Email] (#1747) [Profile/Gallery] (more from mlc) on Wed, 4 Oct 2017 06:00:36 In Reply to: Re: cold start issue... Fuel Pump check valve already replaced!, pme [Profile/Gallery] , Tue, 3 Oct 2017 15:50:51 Members do not see ads below this line. - Help Keep This Site Online - Signup |
thanks.. like i said.. i did replace the MAF a year or so ago.. I cleaned it last night just to be sure.. but same problem occurred this morning.. This time when the engine caught at startup. .I gunned the gas a bit to keep it running, and it was fine..
When my MAF went bad last year.. I noticed a substantial improvement in mpg's after replacing it.. and its still holding steady.. so I doubt its related to the MAF, but was worth investigating..
Like I said.. it definitely seems like its pressure related more than anything, given the overnight symptoms...
If the fuel pump was weak, or on its way out.. I would think the performance would suffer. .but it's running great otherwise.
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