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19-20mpg no CEL, bad MAF sensor
http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=5&t=5538		 Page 1 of 1
Author:  spottyrecordkj [ Sat Feb 04, 2006 8:11 pm ]
Post subject:  19-20mpg no CEL, bad MAF sensor
I took my very late '05 CRD to Advance even though I didn't have a CEL thinking that the EGR was gone, but they didn't retrieve any codes. I took the CRD in to the stealership for several problems the shudder had returned and the engine has used 1/2 quart of oil, along with poor mpg. So late that evening I called to check up on the CRD and they said that they found a code in the memory about the MAF sensor not functioning properly so they order the part and were going to keep it over night to replace the MAF sensor. They called late the next afternoon, and said that the part didn't come in so they were keeping it over the weekend. I hope this fixes the problems.
Author:  oldnavy [ Sat Feb 04, 2006 10:15 pm ]
Post subject:  Re: 19-20mpg no CEL, bad MAF sensor
spottyrecordkj wrote:
I took my very late '05 CRD to Advance even though I didn't have a CEL thinking that the EGR was gone, but they didn't retrieve any codes. I took the CRD in to the stealership for several problems the shudder had returned and the engine has used 1/2 quart of oil, along with poor mpg. So late that evening I called to check up on the CRD and they said that they found a code in the memory about the MAF sensor not functioning properly so they order the part and were going to keep it over night to replace the MAF sensor. They called late the next afternoon, and said that the part didn't come in so they were keeping it over the weekend. I hope this fixes the problems.
Mine did a cell for MAF not functioning properly at about 400 miles the dealer checked and ordered a new one and wife drove it another week (CEL wen't off) before part came in, they replaced it and we have had no further trouble. The old MAF had something stuck to the wire. Durring this instal the tech said they had had a lot of reports of EGR electronics failing because of dirt in the module. Said he had taken it off and cleaned it (EGR) when he had had to take part of the EGR apart to install a new dipstick tube, it had been bent down when engine was installed and had to fixed the first week we had the Jeep.

Wonder why they wanted to keep your Jeep, it wouldn't hurt anything to have driven it few days. My guess is we put 200 or 300 miles on the Jeep before the part got installed.
Author:  spottyrecordkj [ Sun Feb 05, 2006 12:28 am ]
Post subject: 
the CEL never came on and they said that I had driven it 700 miles since the message was created.
Author:  oldnavy [ Sun Feb 05, 2006 8:54 am ]
Post subject: 
spottyrecordkj wrote:
the CEL never came on and they said that I had driven it 700 miles since the message was created.
Wonder why they just had to have the Jeep??? What difference would a few more miles make?
Author:  dog_party [ Mon Feb 06, 2006 11:32 am ]
Post subject: 
I'd say they kept the Jeep out of Charlie Yankee Alpha protocol. Nothing's GOING to happen, but if something DID happen...
Author:  longarm [ Mon Feb 13, 2006 2:29 am ]
Post subject: 
..........
Author:  dog_party [ Mon Feb 13, 2006 8:35 am ]
Post subject: 
longarm wrote:
Hmmmm, I'm getting 18-20 mpg on a normal basis. I have a 2.5 inch spacer lift with 255/70/16 in AT's. Is that normal?


I would think, on Michigan-winter anti-gel loaded fuel, 18-20 might be normal. How do you drive? Nice and calm? Or do you leave people sitting at traffic lights scratching their heads going, "What kind of truck WAS that?!"
Author:  oldnavy [ Mon Feb 13, 2006 8:55 am ]
Post subject: 
dog_party wrote:
Or do you leave people sitting at traffic lights scratching their heads going, "What kind of truck WAS that?!"
Yeah baby I love doing that to Japanese vehicles, more so when they have their windows down. I did manage to get a couple rag tops with the old MB 240D (non turbo diesel), now that was a real thrill.
Author:  longarm [ Mon Feb 20, 2006 6:13 am ]
Post subject: 
...........
Author:  spottyrecordkj [ Mon Feb 20, 2006 11:52 pm ]
Post subject: 
I am the first off of the line at a light leaving everybody else in my soot!!!!!!! and I love it!!!!!!!!!!
I have never been a calm driver!!!
Author:  dog_party [ Tue Feb 21, 2006 8:30 am ]
Post subject: 
spottyrecordkj wrote:
I am the first off of the line at a light leaving everybody else in my soot!!!!!!! and I love it!!!!!!!!!!
I have never been a calm driver!!!


Are you still getting 19-20MPG? When I spend a whole tank doing traffic light launches on the way back and forth from work, I get pretty low fuel mileage since winter started. I think it might be my driving habits combined with winterized fuel more than it is the truck acting improperly.

But I'm scheduled for a trip to the service bay and I'm going to have them go over the truck with a comb. MAF sensor, EGR valve, ECU reflash, ball-joints, passenger side rear window edging that's pushed up into the door frame (don't know how that happened). Can anyone think of anything else that I should have checked while I'm driving the Grape Bubble Gum Chevy Trailblazer loaner truck?
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