I got the idle problem diagnosed

[Y2KGT]

I had the exact same problem with the hose being loose that bean was describing in his picture. All of the computer scans in the world will not tell you if the hose is loose.

I do agree with 96GTS in that it doesn't sound like a bad fuel pump. It sounds to me like your MAF doesn't know what to do and is trying to vary the voltage to the fuel pump at idle. If there is an air leak in between the MAF and the throttle body, your MAF will go nuts.

Sometimes the dealership mechanics miss the obvious. Besides, it will only take you about 2 minutes to verify if a hose is loose anyway.

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2000 GT -- Black, 5sp, Mach460, Bassani CatBack & X-Pipe, MAC Cold Air, 70mm Tbody, Hurst Shifter
1966 Mustang Coupe -- Tahoe Turquoise, Pony Int, A-Code, C4 Auto
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scott@pearland.com