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Old 03-31-2012, 08:09 PM
j_huhmke j_huhmke is offline
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Join Date: Mar 2012
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Default low idle when slowing down to idle

New to this ranger forum. i have a 2001 4.0 sohc. Not all the time but sometimes when i stop or slowdown almost to a stop it will idle down to about 200-400rpms. So far ive cleaned the MAF, IAC, and throttle body. i bought a new IAC to see if it was bad but no change still does it. Also sometimes when im stopped at a redlight it feels like it bucks a little. and if i pull off the pcv how would i diagnose if its good or bad? what else should be checked for this idle problem? thanks for all help in advance -joey-
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Old 05-03-2012, 07:34 PM
metal mulisha metal mulisha is offline
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I'm having the same problem right now my truck sounds like it wants to shut off and also when stoped it jerks
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Old 05-03-2012, 07:46 PM
02RangerFX4 02RangerFX4 is offline
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Default Re: low idle when slowing down to idle

Check your alternator. Low charge from the alt could be doing this, as it did with my truck.
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2002 ford ranger FX4 Off Road | 4.0l v6 | Flowmaster 40 S/I D/O | JBA Headers | Rebello Racing cams | port and polished heads | K&n Drop-in filter | TwinStick | 31 Spline 4.10 Torsen rear diff | Alcoa rims | Sitting on 31's|
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Old 05-03-2012, 07:52 PM
metal mulisha metal mulisha is offline
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Thanks I'm going to check that out to
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