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Professional Automotive Repair Technical Discussions for March 25, 2016 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for All Makes and Models
| Help Request | Answers | |
| 2002 Audi A4 Quattro 3.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: WAULT68E62 Ok, I have this Audi that is killing me right now... The car came in with slightly rough idle and check engine light coming on when driving. Fault code was for camshaft to crankshaft correlation and misfire 1,2,3. Another shop had done a water pump and obvious... |
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| 2007 Audi A4 Quattro Avant 3.2L Excessive Emissions, Hesitation, Misfire, MIL Lamp on VIN: WAUSH98E97 This car is fixed. The fix will document the hell we went through because Audi has wrong information for these fault codes. Audi, and therefore both Alldata and Mitchell, hyperlink the fault code to a flawed test procedure for fuel pressure sensor G247. This i... Trouble codes: P2294 (Fuel pressure regulator 2 Control Circuit), P2296 (Fuel pressure regulator 2 Control Circuit High) |
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| 2003 Cadillac Escalade 6.0L Cruise Control VIN: 3GYEK63N23 Found Cruise Control inop. Looking at Cruise Control Data using a Tech 2 the stoplamp switch parameter should change from applied to released with pedal application. This vehicle is applied at all times, the brake pedal switch will change from released to appl... |
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| 1999 Chevrolet Express 1500 5.7L Hesitation, Stall VIN: 1GCFG15R1X Will start and idle good, but when you start to give it gas will bog down and die if you don't let up, if you give it gas slow it does fine. Found out if you un-plug tp sensor will take fuel fine. But it checks good and also tryed used ones same problem. Has g... |
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| 2000 Chevrolet Astro 4.3L Readiness VIN: 1GNDM19W0Y We have this van here that just won't complete the readiness for the cat monitor. The cats were replaced along with the O2s and fault code erased. We have driven the van for over 160 miles on the dyno and on the streets. Every single readiness monitor is set e... |
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| 2005 Chevrolet C5500 Kodiak C5C042 6.6L No Start VIN: 1GBE5C1215 This is one of those jobs I wish I would not have taken in. After pulling motor to replace oil pump this beast decides not to start. I am not a diesel mechanic but I am not scare to go where no gas mechanic has gone before. First I only removed harness at bu... Trouble codes: P0193, P0642, U0106 |
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| 2005 Chevrolet Colorado Z85 LS 3.5L Poor Idle Quality, Stall, Misfire VIN: 1GCDT13625 Owner drove to garage complaining of very rough idle, worse with more throttle but all of a sudden it was ok and he drove to garage. now it will only run for a few seconds now and then. Starts, fast idle, then starts to misfire and finally stalls. If I add fue... Trouble codes: P0300 (Random missfire) |
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| 2012 Chevrolet Malibu LT 2.4L Hesitation, Surge, Stall, MIL Lamp on VIN: 1G1ZC5E07C Map was replace by another shop .scan tested and saw no reading from the Map. We replaced the map with a factory a/c delco sensor. the car left the shop ran great for 2 days and now is back with the same 2 codes. I then tested at the map connector for power (5... Trouble codes: P0106, P0107 |
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| 2014 Chevrolet Silverado 1500 LTZ 5.3L Middle Sensors Over Sensitive VIN: 3GCUKSEC2E Good Friday fellow Tech's, This is my personal truck, i put a Ranch Hand full replacement Guard on it as i live in Texas. Ranch hand said to point the center sensors inward so they do not pick up the uprights on the deer guard. This does not work, i just want ... |
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| 1997 Ford F-350 XL 7.3L Excessive Emissions, Poor Idle Quality, Misfire VIN: 3FEKF37F3V Hi everyone. This truck came in and would not run more than a few minutes, then it would quit and not restart until several hours later. Continuous memory codes, none. The engine would not run long enough for a KOER test. KOEO codes, none. Injector buzz test r... |
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| 2007 Ford Expedition Limited 5.4L Readiness monitors VIN: 1FMFU19587 2007 Expedition 5.4, will not set o2, o2 heater or cat monitors. Sets evap everytime no problem, o2, heaters, and cat will not set. Replaced pcm with Reman, complete reprograming and reset all parameters. disconnected battery and reset Kam several times. Mode ... |
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| 2008 GMC Sierra 2500 HD WT 6.6L derate VIN: 1GTHK23678 I am seeing this more and more. Truck with a p0101. Customer states intermittent. Customer replaced own maf with oem par. He does have a K&N filter but new. I monitor grams per sec and they are with in value. I have also put in oem filters and the problem stay... Trouble codes: P0101, P2563 |
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| 2011 GMC Savana 3500 4.8L No Start VIN: 1GDY72CA1B Van Was Wrecked Left Front. They Replaced Left Frame Rail. Has No Start, No Crank. Scanner Will Not Communicate With PCM, Transmission, Antilock Module, And Roll Over Sensor. Checking Modules Under Module Set Up I Can See BCM, Radio, Door lock Modules. Looking... |
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| 2005 Infiniti G35 3.5L Excessive Emissions, Hesitation, Cuts out, Misfire, Poor Fuel Economy VIN: JNKCV54EX5 Here's one That makes me feel like a real amateur! Car came in with leaking valve covers, replaced gaskets hasn't left due to issue that started after repair. Issue - Car looses power after 3000 RPMS and struggles to reach redline at any temperature, drives ... Trouble codes: P0300 |
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| 2004 Lincoln Aviator 4.6L No Start, Stall, MIL Lamp on VIN: 5LMEU68H14 This is the second time this aviator has come in with this code. No repairs have been performed at this time because it is so intermittent. Customer says the engine will shut off and then not start. Let it sit for a little while and it will start up and it won... Trouble codes: P1233 (Fuel pump driver module off line) |
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| 2007 Nissan Xterra X 4.0L Stuck In 4th VIN: 5N1AN08U07 Customer came in with vehicle stuck in 4th gear. check engine light on. scanned codes. loss of communication. so i scanned the TCM and it read error. no communication to or from TCM. then it should a code for park safety switch. someone bypassed it to starter.... |
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| 1998 Saab 900 SE Turbo 2.0L MIL Lamp on VIN: YS3DF78N2W fails smog at the 1500 rpm test under load while trying to smog. it almost makes it through to the next step but then it all of the sudden turns on the ck engine light. its almost like this is on a timer as we tryed to smog this 6 times and the samme thing eve... Trouble codes: 0171 (lean turns on engine liite end of 1500 smog test) |
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Fixes & Summaries for All Makes and Models
| Fix/Summary | Answers | |
| 2004 Audi A8 Quattro L 4.2L Lighting VIN: WAUML44E84 well thanks for the info. I updated to a ross tech and found out I had codes in the level control system . I changed the right front level sensor and then calibrated the level control system . problem solved .thank to all except for lewis wise remarks |
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| 2000 Cadillac Eldorado ESC 4.6L Cuts out VIN: 1G6EL12Y2Y I was never able to duplicate the issue. GM discontinued this ignition switch a long time ago but was able to find one at Rock Auto. The car has been going with no problems for a week now. Appreciate all of your thoughts. Ron |
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| 2003 Chevrolet Tahoe LS 5.3L left turn signal VIN: 1GNEK13T93 I received a lot of advice that I had already gone through and would like to especially thank Joe from New Jersey who turned me onto the flasher module, Dan from Ontario who though touched on many of the same things I had already gone over, he put it in a d... |
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| 2007 Chevrolet Avalanche LTZ 5.3L remote start VIN: 3GNFK12367 FINALLY fixed this stupid thing!!! I'll spare the long story---I went into the RCDLR and monitored what the buttons on the key fob were commanding when I pressed them. The button for the remote start was coming up R CLOSURE REL. as if it was set up for maybe ... |
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| 2008 Chevrolet Avalanche LTZ 5.3L AFM Lifter/VLOM Thanks for all the help, pulled the Bank 2 head. Found Cylinder 4 AFM lifters where installed 180 degrees off. I have done this job over 15 times and have no idea how i installed it wrong. But i reinstalled the lifters with the oil hole facing upward and the p... |
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| 2003 Dodge Ram 2500 5.9L No Start, hard to start VIN: 3D7KU28C93 replaced all 6 injectors and starts and runs good. thaNKS FOR ALL YOUR HELP |
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| 2008 GMC Acadia SLT 3.6L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GKER23758 Thank you to all that responded, well the fix was simply a timing issue, we know we had this puppy in time time first time we installed all new new chains and tensioners, Were we went wrong was buying a cheap after market timing kit. The new tensioner on ... Trouble codes: P0019, P0346. |
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| 2002 Honda Accord LX 3.0L Poor Idle Quality, Misfire VIN: 1HGCG16402 I was able to determine that the problem is with the fuel. I attached a clear hose in the return line and the fuel appears to be full of air (I assume from boiling in the fuel rail) the updated fuel pressure regulator and PCM are listed through Honda for this ... Trouble codes: P0301, P0305, P0306, P0304. |
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| 2011 Hyundai Sonata Limited 2.4L Poor Idle Quality, Running rich VIN: 5NPEC4AC2B We have not yet fixed this vehicle. It belongs to a used car dealer and there is no rush on it, so we just haven't gotten back to it yet. They did take it to the Hyundai dealer, and they just gave them a bunch of useless information and told them to replace th... |
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| 1998 Toyota Tacoma DLX 2.4L Rack VIN: 4TAVL52N8W Thanks for all good advice. Steering much better now after New parts free up. What I learned is not to run seafoam through intake as it turned junk in intake into yukky liquid which coated valve faces and caused compression loss after cooling and hardening! Ha... |
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| 2009 Volkswagen Jetta Wolfsburg Edition 2.0L pulling away from a stop VIN: 3VWRA71K99 Thanks for the replies, especially Robert for pointing out the TSB. The TSB does says jerking can be caused by inaccurate adaptation.. I have ran the basic settings but the problem remains. I advised the customer to check with the VW dealer for a software upda... |
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| 2011 Volkswagen GTI 2.0L Sunroof VIN: WVWHV7AJ3B ONCE AGAIN, THIS IS NOT PINCH PROTECTION, IT DOES NOT EVER STOP AND REOPEN. IT DID HAVE CARRACTERISTIC OF THE SWITCH HAVING A SHORT AND DEFAULTING TO VENT POSISTION WHEN IN CLOSED POSITION. REPLACED SWITCH AND ATTEMPTED INITIALIZATION, STILL SAME ISSUE. |
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