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rmp
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need help rpms keep going up and down when in park
like the title says everytime i start my truck it will will idle up to about 1500 rpm then go down to about 300 rpm and it will keep doing this until i put it into either drive or reverse then. it is fine for the most part when in drive or reverse. but evertime it is in park it will idle up and...- sgalka91
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- idle problem rmp
- Replies: 11
- Forum: 4.0 Liter Forum