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Recent content by redryder37
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Bouncing / High Idle problem - 1999 Ranger 4.0 4x4 Auto
My truck idles around 1,000 RPMs (after warming up) and seems to like to jump up and down. It will jump up to about 1500 RPM for a few seconds and then slowly drop back down to 1,000 RPM. I thought it was my AC causing the idle to increase and decrease so I unplugged it to check and it didn't...- redryder37
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- Replies: 5
- Forum: 4.0 Liter Forum