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1990 f150 300 in line 6 idle problem

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Old 03-04-2018, 10:56 AM
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Default 1990 f150 300 in line 6 idle problem
Got fresh fuel and fuel filter changed, idles way better but when I tap throttle it wants to die? TPS.?
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Old 03-04-2018, 11:55 AM
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MAF sensor disconnected or bad.
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Old 03-06-2018, 01:58 PM
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You can easily test that TPS with an analog ohm meter. Don't go buying parts w/o testing. I would start with the basics such as plugs, wires, cap and rotor.
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