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2002 3.0L rough idle


Kenny Stanley

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I purchased a 02 ranger 3.0L motor runs great just has a rough idle 210,000 miles on the clock ,has new coil , wires, just replaced fuel filter not sure why it idles like this ?
 


monstermazda

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Check for vacuum leaks and egr bleed over

Sent from my SAMSUNG-SM-G870A using Tapatalk
 
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Kenny Stanley

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Ok thanks for the help will give that a look
 

Kenny Stanley

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2002 Ranger

Ok I looked for vacuum leaks with a smoke test found nothing , still has a rough idle and now it seems like when you are down below 2500 rpm that it surges, I have replaced cam synchronizer according the the thread on this site still at a loss here . truck runs great about 3000 rpm
 
2002edgeplussupercab

2002edgeplussupercab

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All the Ranger 3.slow's idle a tad rough. Inherent.
 

94RoadkillRanger

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It's time for a compression test.
 
cbxer55

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2002edgeplussupercab said:
All the Ranger 3.slow's idle a tad rough. Inherent.
Click to expand...
Really? Not really noticed it on mine. Yeah, occasionally it idles rough right after starting. A few brisk revs and she clears right up.

Mine has had quite a few other problems though! :annoyed:
 
2002edgeplussupercab

2002edgeplussupercab

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You get used to it and don't realize it but they all do just a tad. Doesn't mean anything is wrong. If it's shaking the cab, that's a rough idle to be concerned with.
 
cbxer55

cbxer55

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2002edgeplussupercab said:
You get used to it and don't realize it but they all do just a tad. Doesn't mean anything is wrong. If it's shaking the cab, that's a rough idle to be concerned with.
Click to expand...
Yeah, I've had it for 17 years, so you're probably right.
 

Kenny Stanley

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Figured it out the cat where plugged up gutted them runs like a champ . Yes it does have the little rough idle still taking it as nature of the beast :headbang:
 
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