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Heliman
Dodge Dakota
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9/18/2004
13:51:27
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 Subject: Sluggish 02 QC 4.7
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Hey guys, my 2002 QC dakota has been sluggish lately. Out of the hole from the stoplight it kinda hesitates a little, but once it gets to about 3000rpm its gone. I cant figure it out. I have Autolite 3923, airfilter is new, and I maintain it on a regular schedule. It has the 4.7 and I have 61000 miles on it. Lastnight I ran my buddies 99 chev with the 5.3 [327] and got my arss handed to me. lol I am installing a intenseperformance cold air kit and dual exhaust this next week. If anyone knows what could be wrong please let me know. Thanx, Scott
sjmta@scicable.com
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TexasTodd
Dodge Dakota
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9/18/2004
14:56:52
| RE: Sluggish 02 QC 4.7
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dual exhaust, or a dual cat back?
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Heliman
Dodge Dakota
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9/18/2004
16:25:06
| RE: Sluggish 02 QC 4.7
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Message:
Dual cat back
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MIkeBrown
Dodge Dakota
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9/18/2004
16:25:06
| RE: Sluggish 02 QC 4.7
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Message:
Check your TPS sensor. Check to see what the voltage is on it.
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Heliman
Dodge Dakota
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9/18/2004
16:27:28
| RE: Sluggish 02 QC 4.7
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Message:
I am not sure how to do that. I was also informed not to mess with that, but if it causing a problem then I will. Could you explain? Thanx
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Heliman
Dodge Dakota
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9/20/2004
11:08:42
| RE: Sluggish 02 QC 4.7
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Message:
TTT
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Lurkin
Dodge Dakota
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9/20/2004
11:14:10
| RE: Sluggish 02 QC 4.7
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Message:
Any codes? Throttle body gummed up?? Plugs still clean? Fill-up at an el-cheapo gas station?
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GraphiteDak
GenIII
9/20/2004
11:39:13
| RE: Sluggish 02 QC 4.7
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Yeah crappy gas or maybe slightly plugged injectors. I've had to remove and clean injectors twice now. Both CHEVY's, one being my work vehicle. But usually the plugged injectors will usually be only a few making a miss at an idle.
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Heliman
Dodge Dakota
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9/20/2004
13:08:04
| RE: Sluggish 02 QC 4.7
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Message:
I have no codes or engine light on. It does idle a bit rough lately too. Can you clean the injectors yourself??? My plugs are only a month old now.
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STS
Dodge Dakota
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9/20/2004
20:13:51
|  RE: Sluggish 02 QC 4.7
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Message:
I'm getting my injectors cleaned out Wed.to. About $45.00 will it cost.
Also I got a Magnaflow comming on the way by FED EX. What I'll like to know do they really make a differnce in fuel econonomy and power?
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Heliman
Dodge Dakota
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9/21/2004
02:31:04
| RE: Sluggish 02 QC 4.7
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Where do you get that done for 45.00??? I need to get them cleaned, I really think thats my problem.
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Lurkin
Dodge Dakota
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9/21/2004
10:13:13
| RE: Sluggish 02 QC 4.7
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Definitely may be the injectors. Before I spent any money though, I'd reset the PCM, see if it goes away. If not, clean the TB, if that doesn't do it, clean the injectors up.
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Heliman
Dodge Dakota
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9/23/2004
02:42:05
| RE: Sluggish 02 QC 4.7
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I reset my pcm and it made no difference. I will try cleaning the throttle body next. Thanx
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Heliman
Dodge Dakota
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9/27/2004
11:30:27
| RE: Sluggish 02 QC 4.7
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Message:
I put the dual catback exhaust on this weekend, and it sounds real good! It still is sluggish on bottom end.I am not sure if it has a noticeable power gain though. I will be gettin the cold air intake and a new fastman TB soon.
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Dan M
Dodge Dakota
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9/27/2004
12:07:18
| RE: Sluggish 02 QC 4.7
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Message:
Most of the jiffy lube or similar places will do an fuel system cleaning. I've also seen some tire places offer it.
- Dan M
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