5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

missing under 1500 rpms

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Old 03-07-2007, 06:26 PM
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v8tiger
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Default missing under 1500 rpms

88 Gt with mods are Gt40x, e303, cobra intake. roller rockers, bbk shortys, and MAF conv.

Just installed them, and now it misses when the engine is cold really bad. But when it warms up, its only before 1500 rpms. timning is around 12.

and why would there be oil on the last two ports of the intake when you take the upper off?? The gasket is wet of oil just on the last two holes.
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Old 03-08-2007, 09:00 PM
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Default RE: missing under 1500 rpms

TTT
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Old 03-09-2007, 09:48 PM
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Default RE: missing under 1500 rpms

so now i checked the codes and it says Code 66. MAF input voltage too low.

So i went to the parts store and tried a new Sensor and it did the same thing.

Also i noticed with the sensor unplugged it runs the same.
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