how do fix a very high idle on a 1978 e350 7.5 460cuin

Asked by moonandmike Mar 01, 2015 at 07:39 PM

Question type: Maintenance & Repair

its getting worse and dangerous. please please help!!! its mostly when its cold, but every
time i restart even after 1 min it does it agian, while driving i have to throw it intonuetral to
kick it down

2 Answers

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Check for vacuum leaks and if yours has an old vacuum advance system that's where I would look first.

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10

Check your throttle cable sometimes the clip breaks then your accelerator gets stuck.

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