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#1 |
Registered Member
Join Date: Mar 2001
Location: Southern Maryland
Posts: 471
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![]() The TPS, Throttle Position Sensor went bad on my '89, which caused erratic idle. Replacement cured the problem.
There are other things that could also cause it, but checking the TPS may be your first step.
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'89 LX 5.0 - 5 speed. Original Owner '94 E-150 4.9 Hi-Top Conversion Van '06 Mustang V-6, 5 speed |
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