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    1999 grand cherokee crankshaft position sensor

    If i need to hold a bolt in a socket in hard to reach places I use this stuff. https://www.napaonline.com/en/p/MMM08578 Works great . I also use it to stop vibration on parts and/ or filling holes. Just used it on my WJ air filter box mount holes underneath the left front fender. dlm ny country
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    2001 Grand CherokeeWorking on vehicle.Throwing a few codesRun smooth at stsrt up. Abo

    Yeah I've seen that video and his other one( the cursing man :) !!! ). Two thought's that I have are.. 1- Possible the evaporation solenoid or the evaporation pump that I swapped in ( new parts) might have been defective. The other thought is there is another sensor that is throwing things off...
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    2001 Grand CherokeeWorking on vehicle.Throwing a few codesRun smooth at stsrt up. Abo

    Time to wave the white Flag. After replacing the leak evaporation pump I still got the same results. It was worth a shot and Autozone lets you return electrical parts.. yeah for that. I will bringing back and get my money back ($128) I've swapped an o2 sensor, TPS, transmission module relay...
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    2001 Grand CherokeeWorking on vehicle.Throwing a few codesRun smooth at stsrt up. Abo

    More testing. More no answers. So I removed my leak detection pump, disconnected the hose going to filter and hose to charcoal box and vacuum line to manifold. Disconnected 3 wire connector. Nothing change. No leak detection codes. And engine stumble clears as soon as I hit Evap System test on...
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    Looking for Schematic

    Thanks. Got one from FLEA bay.. Waiting for my download link. dlm ny country
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    2001 Grand CherokeeWorking on vehicle.Throwing a few codesRun smooth at stsrt up. Abo

    Did some more testing on the Evaporation Pump connectors.On the 3 Pin connector, the middle pin showing (green and white wire that connects to PCM )shows good steady 13.6 volts in open loop. When going to closed the volts drop to 11- 12 volts jumping around a bit with the rough idle which...
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    Looking for Schematic

    Anyone have a link for a Jeep Grand Cherokee 2001 (4.0) schematic. Need it to trouble shoot an EVAP problem on my Jeepster. Thanks in advance. dlm ny country
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    2001 Grand CherokeeWorking on vehicle.Throwing a few codesRun smooth at stsrt up. Abo

    Well that a didn't work. I didn't think it would but it was worth a shot. If I had a pinout for the Evap Pump connector ( 3 wires) and the Evaporation Solenoid (2 wires) That might help. Really a full evaporation schematic would help. I'm suspecting broken wire/connection too at this pint (...
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    2001 Grand CherokeeWorking on vehicle.Throwing a few codesRun smooth at stsrt up. Abo

    Yeah I thought it was strange too. Plus an ABS code. I did a pretty thorough inspection on hoses this week. Also used a ton of carb cleaner. Live data still shows my TPS at 15% but the Jeep seems good once I send a signal from the Actron code reader. Not sure of the signal (hot or ground) the...
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    2001 Grand CherokeeWorking on vehicle.Throwing a few codesRun smooth at stsrt up. Abo

    Possible break through. After exercising every avenue I could I actually found that I can eliminate the engine stumble that comes after start up (open loop). I found by using my Actron code reader when I do a evaporation system test I can eliminate the stumble. Also if I activate the Actron...
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    2001 Grand CherokeeWorking on vehicle.Throwing a few codesRun smooth at stsrt up. Abo

    Nothing there. Gonna pull power distribution block and see if the mice ate underneath it. Also my evaporation pump P1495 is ticking a bit. Gonna see if I can give it a look/see/clean?? maybe. dlm ny country
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    2001 Grand CherokeeWorking on vehicle.Throwing a few codesRun smooth at stsrt up. Abo

    Yeah none off that worked. For some reasonI'm getting a code 14 ABS cluster malfunction and my code reader won't let me clear it. Says module is busy. Recycled code reader a few time...?$?$?$?$?$ dlm ny country
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    2001 Grand CherokeeWorking on vehicle.Throwing a few codesRun smooth at stsrt up. Abo

    Will try..Took out newly installed TPS and found out I forgot the seal that goes with is. However it appears it was in right. Put new seal in when re-installing TPS. There really wasn't a need to turn clockwise. It slid right in flush mounted. like the original one I replaced. There is NO...
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    2001 Grand CherokeeWorking on vehicle.Throwing a few codesRun smooth at stsrt up. Abo

    Cleared codes and reset PCM with batt disconnect and ignition on for 30 seconds. I will re-check TPS install but it went in flush mounted. Didn't have to rotate TPS clockwise to get it in. It might be off. Not sure. TPS looks like old one too. Will give TPS wires a wiggle. Got a transmission...
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    2001 Grand CherokeeWorking on vehicle.Throwing a few codesRun smooth at stsrt up. Abo

    Got a chance to install TPS and new relay. Results are the same. All my codes came back and my running data on the TPS went from 15% to 16.9-17.3%. Got a new code too on ABS Cluster ..I think it was code 14. Checked all fuses under dash. They all ohmed out with my fluke for continuity. Spray...
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    2001 Grand CherokeeWorking on vehicle.Throwing a few codesRun smooth at stsrt up. Abo

    I checked the fuses in the engine power supply box. Haven't done a thorough check under the dash but that is a good call. I ordered from Rock Auto the STANDARD MOTOR PRODUCTS TH189T
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    2001 Grand CherokeeWorking on vehicle.Throwing a few codesRun smooth at stsrt up. Abo

    Exhaust is clean and quiet. But the rear muffler is on short notice. Yeah NTK o2 sensors only. Ordered a TPS. Will pick up transmission relay. Take it from there. Many thanks JPN !! dlm ny country 2001 Grand Cherokee Laredo 4.0 (((not so Grand right now ))) 1987 YJ Wrangler.....sold !!! 1974...
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    2001 Grand CherokeeWorking on vehicle.Throwing a few codesRun smooth at stsrt up. Abo

    Got a chance to clean throttle body, IAC and map(elbow) sensor today. Found a vac leak going to canister that hangs on brake booster. Fixed vac leak with fuel line since that is all I had. Stumble came back though. Idle is a bit lower probable because of vac leak fix. Swapped out transmission...
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    2001 Grand CherokeeWorking on vehicle.Throwing a few codesRun smooth at stsrt up. Abo

    Thanks .. Think I did an unplug of the relay in the power distribution block. Will look at it again. Many thanks..again :) dlm ny country
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    2001 Grand CherokeeWorking on vehicle.Throwing a few codesRun smooth at stsrt up. Abo

    All good info. Thanks JPN. Hopefully I'll get to look st it tonight. dlm ny country Sent from my SM-G900P using Jeepz.com mobile app
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