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#1
11-21-2008, 07:04 AM
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Hesitation at low rpm only
2005 Explorer 4.0l 111k mi. Just changed plugs & wires. Still hesitates/chugs but only at RPMs under 1800 and only when accelerating slightly. No problem at startup or higher RPMs or with moderate acceleration.
Any suggestions? Thanks. 
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#2
11-21-2008, 01:02 PM
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Re: Hesitation at low rpm only
You might have a bad coil pack, throttle position sensor, or MAF sensor. Any chance you have access to a scan tool with the datastream mode? Have you tried gas from a different station?
-Rod
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#3
11-21-2008, 07:15 PM
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Re: Hesitation at low rpm only
No, but I know a repair shop that does. I had hoped the "only a low RPM symptom" might isolate the culprit, but maybe not.
Any other suggestions?
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