|
|
2001 Town and country blowing blue smoke and fuel from tailpipe
|
|
|
| |
|
|
quietcoolguy
New User
Jun 21, 2011, 6:12 PM
Post #1 of 7
(3268 views)
|
|
2001 Town and country blowing blue smoke and fuel from tailpipe
|
Sign In
|
|
I searched this forum and found some awsome information to my issue. I guess town and country have an issue with the injector harness melting. I checked mine and sure enough it was melted. I replaed the harness and all but one code went away. a p0204 ..which pointed to injector #4 so i pulled the intake again..pulled the fuel rail and replaced number four injector... the one i replaced is the middle injector closet to the front of the van...put it all back together and still same code...the forum pointed to ECM beign shot...so i pulled the ECM sent if off to florida..got it back hooked it up no p0204 error only p1684 error which is battery was disconected....but the van still acted like it didnt want to start kept turning over..then it finially caught and ran good..no knocking had a mild miss.but blue smoke pored out of the tail pipe... I am truly hoping its not a blown piston ring....i actually think it has some codes but hasnt been hooked up to the battery long enought ot register..cause i had put out a code for another sensor on the tailpipe..but now is only putting out the p1684 any ideas ..with putting in a new ECM i dont have to have it calibrated do i ..i mean it should just be plug in and go , correct? im going to be doing a compression test on the front cylinders to see what they read. This van never smoked at all now i does like a freight train...i really thought the harness and rebuilt ecm was my fix but im preplexed..any help would be so appreciated.
|
|
| |
|
|
quietcoolguy
New User
Jun 22, 2011, 9:52 AM
Post #2 of 7
(3253 views)
|
|
Re: 2001 Town and country blowing blue smoke and fuel from tailpipe
|
Sign In
|
|
Okay went back to van this am.. the error codes that i got before i sent the emc off are gone... the last code linked to the injection harness was a p0204 injector issue gone.. now i have a p0123 and a p0320 code.. no this van is missing and blowing blue smoke like a damn train...but it wasnt doing any of this. My ex drove to get out kids from the babysitters.. when she left the babysitters on the way home which is 5 min from her home. it started to miss and shutter and blow blue smoke. if the van had been smoking some before all this i could wrap my mind around a piston ring , but just out of the blue, and to have the harness melted, and error codes..i just believe that there is something electronic causing the timing and firing of the engine..and that is produciong the blue smoke. Im pulling these codes via the turning the key three times and reading off the oddometer.
doese anyone know where and what that harness feeds besides the injectors. I traced it some and it goes to the coil pack i dont know what else it feeds to intill it runs into the ecm...
|
|
| |
|
|
Tom Greenleaf
Ultimate Carjunky
/ Moderator
Jun 22, 2011, 10:09 AM
Post #3 of 7
(3252 views)
|
|
Re: 2001 Town and country blowing blue smoke and fuel from tailpipe
|
Sign In
|
|
My opinion is that "smoking blue like a freight train" mean oil burning and you sure will get codes and troubles.
Complete compression test now needed to see if the engine is junk or not IMO. Outside chance it's sucking oil somehow thru a bad head gasket so if you find one or more cyl low get them on TDC and blow air in and watch the oil fill cap to see if it ridiculously blow the air out.
Fully diagnose this out before putting to much into this engine as it might be fried - hope not but it probably has severely damaged cat//converters already and more,
T
|
|
| |
|
|
quietcoolguy
New User
Jun 22, 2011, 9:19 PM
Post #4 of 7
(3236 views)
|
|
Re: 2001 Town and country blowing blue smoke and fuel from tailpipe
|
Sign In
|
|
Thanks for responding...dont think its a head gasket...actually had that done a year ago..im telling you i had no issues with this van untill the injection harness melted ...that one thing set what ever chain of events to happen.
I had a mechanic friend say this...it could still be injectors overloading and shooting to much fuel..he said that it could be and not put out a code...he said my plugs woudl be the window into what was wrong.. soaking wet plug...open injector.. oil soaked plug...ring
My friend said this could have happned..when the harness shorted out and had #4 injector open..if that injector was constantly spraying fuel in the cylinder..it possibly could have been washing away oil from the sides of clyinders allowing the piston ring to go up and down with out lubrication and fouling the ring... does that sound possible..
another perplexing thing is that before i sent my ecm to be flashed the van would crank on a dime..everytime i turned the key..now i reved it up thats when the smoke with bellow from the tail pipe....when i put in the ecm after it came back..the van spit out the TPS code and a crank shaft sensor error..the van would turn over and over but wouldnt catch..i woud go under hood wiggle harness and then come back and van would crank..but still ran rough and blue smoke came out...i checked the oil , no water or milky color.. car didnt overheat so, i hope its simple. im gona run van a bit tommorow and then pull plugs and see what i see. gota get gauge for compression test
|
|
| |
|
|
Tom Greenleaf
Ultimate Carjunky
/ Moderator
Jun 22, 2011, 9:33 PM
Post #5 of 7
(3234 views)
|
|
Re: 2001 Town and country blowing blue smoke and fuel from tailpipe
|
Sign In
|
|
Blue smoke is oil, black is fuel, white is coolant mix. Where are the results of the compression test?
If injectors really washed out the engine or even one cylinder it can cause rapid ring wear and it wouldn't be just new rings but a host of problems.
Compression results or you are just wasting time and probably going to waste a lot of money,
T
|
|
| |
|
|
quietcoolguy
New User
Jun 23, 2011, 7:33 AM
Post #6 of 7
(3230 views)
|
|
Re: 2001 Town and country blowing blue smoke and fuel from tailpipe
|
Sign In
|
|
Thanks for that advice..i have to buy a compression tester today and do the test..do i need to do a dry and a wet test? or just a dry test
|
|
| |
|
|
Tom Greenleaf
Ultimate Carjunky
/ Moderator
Jun 23, 2011, 8:01 AM
Post #7 of 7
(3228 views)
|
|
Re: 2001 Town and country blowing blue smoke and fuel from tailpipe
|
Sign In
|
|
You do both really only need a wet test if you find one or more low. If wet really raises the pressure that's highly indicative of ring/piston or cylinder wall too in trouble.
That wear can happen from gasoline (raw) washing oil so it wears fast or even running it out of oil once an engine can't take one more mile. If this engine is sludged for any reason oil may not get to the right places and is a killer. If all checks out there then move on to figure out why but I'm at a loss right now to think of why "blue" can be anything but oil burning. If too long at that converter cost should be factored in too as they may be clogged up and were unable to do their thing with such an overload,
T
|
|
| |
|
Auto Repair Home
SEARCH
WHO'S 
LOG 
mdma pills for sale : WhatsApp +33758633852
Drive Shaft Repair
2006 Toyoto Camry XLE Driver Side Electric Window Trouble
Grounding Cable, 2017 Jeep Renegade Trailhawk
equipment
