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| ***fixed***CRD has no power/Limp Mode http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=5&t=24389 |
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| Author: | TDI4BY [ Sun Sep 16, 2007 5:37 am ] |
| Post subject: | ***fixed***CRD has no power/Limp Mode |
Pulled.. get this P0101(MAF range/..self inflicted I think) P0299(Low Boost) P0652(sensor ref voltage B low) P0107(MAP Low P0193 (Fuel rail sensor high) I will clear the codes in the morning and play around a bit. I wonder if the ref. voltage code explains alot.. It is late but I had to know after just getting the code reader from a friend.  Later
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| Author: | Endurance [ Sun Sep 16, 2007 11:31 am ] |
| Post subject: | Re: CRD has no power/Limp Mode |
TDI4BY wrote: Pulled.. get this
P0101(MAF range/..self inflicted I think) P0299(Low Boost) P0652(sensor ref voltage B low) P0107(MAP Low P0193 (Fuel rail sensor high) I will clear the codes in the morning and play around a bit. I wonder if the ref. voltage code explains alot.. It is late but I had to know after just getting the code reader from a friend. LaterCheck MAP Sensor and that other sensor thats right next to it. Maybe the cables came out or something. Or the plug itself came loose. |
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| Author: | TDI4BY [ Sun Sep 16, 2007 2:06 pm ] |
| Post subject: | |
It looks like the P0107 comes back right away and the sensor is plugged in so I will have to check the sensor and voltages. |
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| Author: | BlackLibertyCRD [ Sun Sep 16, 2007 2:52 pm ] |
| Post subject: | |
TDI4BY wrote: It looks like the P0107 comes back right away and the sensor is plugged in so I will have to check the sensor and voltages.
Remove the sensor and clean it. If that don't fix it, you need a new sensor. |
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| Author: | Sir Sam [ Sun Sep 16, 2007 3:55 pm ] |
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BlackLibertyCRD wrote: TDI4BY wrote: It looks like the P0107 comes back right away and the sensor is plugged in so I will have to check the sensor and voltages. Remove the sensor and clean it. If that don't fix it, you need a new sensor. boost leak test would be a good idea, just thinking it might be possible to have a burst hose that could cause these same hoses to be tripped. |
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| Author: | TDI4BY [ Sat Sep 22, 2007 6:58 pm ] |
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O.K, here is what I found. The P0107 code was the only one that would return so I did some testing with the Boost/Temp sensor and found that the ref. voltages were good but the sensor return would stay at .016 volts no matter what so I replaced the sensor. After I replaced the sensor I put some dielectric grease on the connector because there was some moisture in the connector that left some corrosion. When I started it back up the light was still on and it had 2 codes this time(P0107 and P0113) those were the same codes that were set when I unplugged the sensor and ran it while troubleshooting. I was starting to wonder if I had wiring problems so after I filled my coffee cup and came back out I pulled the connector to make sure the connection was good........Guess what......The dielectric grease was creating a film between the connections and acting like it wasn't even plugged in. $40.00 for the new Boost/Map/Temp sensor with the new # ending in 850 and I am good to go, Happy jeep again. I am curious to see if my mileage improves now. |
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| Author: | AZScout [ Sat Sep 22, 2007 9:15 pm ] |
| Post subject: | |
This is the sensor at the back of the engine that periodically needs cleaning, correct? Do you have the complete part #. Thanks! |
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| Author: | TDI4BY [ Sun Sep 23, 2007 12:59 am ] |
| Post subject: | |
I will post it in the morning. I would almost recommend buying one for a spare since it is only $40.00. I think I got a good deal from the Bremerton Dodge online parts dept. I will get the web address too but I don't have it here right now. |
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| Author: | Joe Romas [ Sun Sep 23, 2007 8:41 am ] |
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TDI4BY wrote: ........Guess what......The dielectric grease was creating a film between the connections and acting like it wasn't even plugged in.
I've seen that before but after a few months, not right away. Despite it's popularity for making good connections it's primary use is to insulate  The reverse of what we want  It only works as we're using it because it seals out mosture and prevents corrosion 
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| Author: | Bill.Barg [ Sun Sep 23, 2007 12:26 pm ] |
| Post subject: | |
I just bought the MAP from http://www.wholesalemopar.com $27.69 plus shipping |
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| Author: | gmctd [ Sun Sep 23, 2007 2:59 pm ] |
| Post subject: | |
Intermittent connections cause same symptoms as defective sensor - don't pitch that sensor - clean the connector pins as below, test it by plugging it in - if it is functional, store it for off-road emergency spare You will need to pull the engine harness connector again to clean any corrosion out of the pins, or it will transfer to the new sensor connector pins - just dip it into CLR until the oxidation is gone, rinse with clear water, rinse with water\baking soda mix to nuetralize the acids, then rinse again with clear water - use the 'significant other's' hair dryer to blow-dry the connector pins, use the die-electric grease to prevent further oxidation, and yer good to go. That die-electric grease is used in all the hi-end GM PCM connectors, incl the PCM connectors, to prevent oxidation\corrosion. |
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| Author: | AZScout [ Sun Sep 23, 2007 3:13 pm ] |
| Post subject: | |
The Mopar website is not working. |
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| Author: | kjfishman [ Mon Sep 24, 2007 10:10 pm ] |
| Post subject: | |
Bill.Barg wrote:
mass air flow sensor, liberty, 2.8l 05-06 $90.70 $74.80 Electrical - Powertrain control - Mass air flow sensor map sensor, liberty, 2.8l 05-06 $36.95 $27.69 Electrical - Powertrain control - Map sensor I was excited thinking it was the mass air flow sensor was $27.69! Still $74.90 is cheaper than $100 from my dealer. |
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| Author: | skywarn [ Tue Sep 25, 2007 9:19 am ] |
| Post subject: | another Limp mode Story... |
well over the past 3 days ive been in and out of limp mode... went to the CAT dealer and bought a new 1R-0750 fuel filter, > not thinking it was air, MAP or MAS due to the up keep i do and never had a air problem before, (15k on cat filter with no probs ever) i was lead to beleave that it was a clogged up filter, so, $14.65 later i have new filter in hand, pull old one off and to my surprise it was clean... put new one on, removed my EHM and plugged in my ORM, hopping to clear any codes, and if not its going to the dealer.
Today on the way to work i had no problems... hit WOT many times with out it going into limp mode. (which would happen around 3k rpm) after work today i plan on taking a hack saw to my old filter and see whats on the inside. I would like to find some kind of mess in there for a peace of mind and to know that was the prob... |
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| Author: | widowmaker [ Tue Sep 25, 2007 3:35 pm ] |
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I just changed my filter a 3 week ago, and prior to the change I was having to bleed it every other day. After the change, it's been three week and 4000 miles without having to bleed it once. My thoughts: when I removed the old filter, it was barely hand tight. I was wondering at the time if the gasket degraded or the vibration loosened it. I wish I had tightened it before I changed the new one to see if that removed the air problem. The new one is on gorilla tight. |
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| Author: | TDI4BY [ Sun Sep 30, 2007 7:38 pm ] |
| Post subject: | |
Latest Jeep/Mopar Boost sensor part # 68031593AA New Bosch # 0 281 002 850 My factory Bosch sensor was a 0 281 002 437 |
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