From derf247@gmail.com  Thu Jul 29 22:22:04 2010
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Date: Thu, 29 Jul 2010 23:22:03 -0600
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Subject: Re: Surge at idle and miss above 4k.....
From: derf <derf247@gmail.com>
To: Eric McCord <atomiccarlton@gmail.com>
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Cc: "<Miatapower@miatapower.net>" <Miatapower@miatapower.net>
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I had symptoms that I thought for sure were caused by a bad fuel pump.
Intermittently, it would act like it was starving for fuel at anything
other than idle and would go after much hesitation at around 4k RPM.
$100 later (new Walbro pump) I realized that the fuel pump wasn't the problem.
A $45 O2 sensor fixed the problem, though on my 1994.
If you can cut and splice wires then don't pay $150 for an O2 sensor.
Get the $50 unit and save a bundle.