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Professional Automotive Repair Technical Discussions for September 19, 2017 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for All Makes and Models
| Help Request | Answers | |
| 2003 BMW Z4 2.5i 2.5L Poor Idle Quality, Misfire VIN: 4USBT33493 i could really use some help on this one from all those BMW gurus. This z4 came into my shop smoking like a bandit and misfiring. I started with new plugs, Pcv/ cyclone oil seperator and an oil change. After running for a few minutes the smoke cleared up but t... Trouble codes: P0305, P0303, P0301 |
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| 2005 BMW 645Ci 4.4L Active steering VIN: WBAEH73465 So, the active steering motor will make a click noise every few minutes when the car is shut off. This takes the battery draw from 60 milliamps to 4-5amps when the car is sitting, locked. So not only is the active steering not going to sleep but it's activatin... |
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| 1993 Chevrolet Corvette 5.7L Hesitation, Surge, Misfire VIN: 1G1YY33P6P vehicle has a bad bog/hesitation, popping through exhaust on acceleration during intermediate warm up. runs fine otherwise. we were thinking about a wiring harness rubbing and shorting something out? could the ECM be bad? not sure where to head from here, does... |
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| 2014 Chevrolet Traverse LS 3.6L Unknown VIN: 1GNKRFED4E This vehicle start coming in with a p0575 cruise control request issue code setting the ses light on. after that it was not starting and found the aftermarket immobilizer so removed and repaired wires at ignition switch with was the ign feed to bcm for acc and... |
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| 2004 Ford F-150 FX4 5.4L MIL Lamp on VIN: 1FTPX14504 This truck came to me from a used car lot. They said it was running fine when it was traded in and one of the owners drove the truck for a week and it was running fine until the battery died on them. After that it ran rough at idle and start up. Seemed to be c... Trouble codes: P0171 (Lean bank 1), P0174 (lean bank 2) |
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| 2004 Ford Explorer NBX 4.0L Par. Draw VIN: 1FMZU73KX4 Engine compartment fuse panel fuse 15 pcm. Instrument cluster and base model so it doesn't have the hvac control mod so I have a .780 pas draw so I wait 30 minutes and it drops to .490 . I see current flow on fuse 15 2.0 mv. Pull joint connector 1 under fuse p... |
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| 2006 Ford Taurus SEL 3.0L Battery VIN: 1FAFP56U26 Car came in with a battery draw concern . Tested battery found to have a bad cell , battery was replaced . Preformed battery draw test found a draw of .68 amps after letting car sit with meter in line for 30 min. to allow everything to go to sleep . pulling fu... |
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| 2006 Ford F-150 King Ranch 5.4L Hesitation, Surge, Stall VIN: 1FTPW12V86 Truck has been in shop for over a month now. Truck surges under steady throttle, surge to almost a buck, can be 1/4 throttle or wot or anything in between and you are going to have a surge. Low power all the time through all engine rpms and trans shifts. Dupli... |
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| 2011 Ford F-350 Super Duty King Ranch 6.7L Engine VIN: 1FT8W3BT9B This 6.7L diesel truck has the old vanishing coolant trick going on. The coolant is disappearing from the main engine cooling system, which results in an engine overheat situation. The client took a picture of the warning message in the cluster, and it is inde... |
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| 2012 Ford F-350 Super Duty King Ranch 6.7L MIL Lamp on VIN: 1FT8W3BT6C Thanks for your time and help... This is my first cab off job. Customer needed a short block installed due to original engine having a main bearing problem and this is an extended warranty project. Truck ran great other than the engine knock when it came to th... Trouble codes: P1291, P068A, P060A, P0203 (Injector circuit open) |
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| 2014 Ford Escape S 2.5L Starting VIN: 1FMCU0F79E Complaint of no start after sitting 1 to 2 days. Checked alternator out put 14.2 volts and 60 to 70 amps. Checked for draw only 6 to 10 mAmps. has new battery. All help would be great. Thanks Rick |
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| 2007 Hyundai Santa Fe GLS 2.7L starting VIN: 5NMSG13D47 Our issue is it shuts off at random, can be sitting and idling or driving it. Lasts for about 10min to an hour then will start right up. When car shuts off no power can not put it in park and can not turn key. Also can not communicate until it decides to have ... |
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| 2006 Land Rover Range Rover Sport Supercharged 4.2L upshifts in D VIN: SALSH23466 Hi Rover Techs, this RR is not upshifting while in D; but using it in S (manual) all upshifts/downshifts work ok. Scanned transmission module & has no codes?! Also I replaced the brake light switch that cured 2 codes on the powertrain module but did not make a... |
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| 2007 Mercury Mariner Premier 3.0L Misfire, MIL Lamp on VIN: 4M2CU97147 Vehicle came in a week ago with a rough run condition cold that would last maybe 15 seconds and codes P0301 (Misfire #1) and P0316 (Misfire on Start-up). With the Cylinder Contribution Test was able to verify the misfire counts only on cylinder #1, and it woul... Trouble codes: P0301 (Misfire Cylinder 1), P0316 (Misfire on Start-Up) |
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| 2008 Porsche Cayenne GTS 4.8L Misfire VIN: WP1AD29P18 This car came in with a P1023, P0302, P0303, P0306, P0307. Car runs rough under load around 30-45mph. I can't imagine 4 coils going bad, was thinking a software reflash or a fuel pump. I don't see many of these cars and would appreciate any help. Trouble codes: P1023 (Low fuel pressure at start up), P0302 (p0303-), P0303 (p0306-), P0306 (p0207-), P0207 |
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| 2011 Saab 9-5 Aero 2.8L timing chains VIN: YS3GR4BJ0B trying to determine if its needed to remove engine to replace worn timing parts on this saab gm v6,any help or advise appreciated. |
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| 2008 Smart Fortwo Pure 1.0L MIL Lamp on VIN: WMEEJ31X78 Check engine light on, with no driveability problems. Cannot find helpful wiring diagrams or sensor specifications. Trouble codes: P0108 |
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| 2005 Subaru Legacy GT Limited 2.5L Poor Idle Quality, Cuts out, Stall, Misfire VIN: 4S3BP67675 Help! This Subaru is kicking my butt. When it gets hot and under heavy load with it cuts out and starts popping out the intake, also when this is happening it sometimes won't idle. I have a code p1544 hot exhaust. The timing belt is aligned, I ran a borescope ... Trouble codes: P1544 |
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| 1995 Volkswagen EuroVan Camper 2.5L Excessive Emissions, Hesitation, Surge, Stall VIN: WV2EE0703S Help all air cooled VW Techs!! we have a no code rich run and stall. this euro-van came in for stalling.no faults, all components tested ok. runs at 6% before cat with o2 disconnected at test port before catalyst. will stumble and stall at stops. I have an o... |
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| 2009 Volkswagen Tiguan SE 2.0L Balance shafts VIN: WVGBV75N49 Customer driving down road, engine quit and wouldn't restart. Have diagnosed failed balance shaft chain tensioner. I have seen multiple failures of the timing chain tensioner but not the balance shaft tensioner. Shafts are now seized and I'm just wondering if ... |
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Fixes & Summaries for All Makes and Models
| Fix/Summary | Answers | |
| 2006 Buick Lucerne CX 3.8L No Start VIN: 1G4HP57216 I am closing this post as a summary. The problem with the u0140 (lost communications with bcm) turned out to be a bad bcm. After checking all powers and grounds and affirming that they were all good and after testing battery(also good), I ordered a new gm bcm ... Trouble codes: U0140. |
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| 2011 Chevrolet Silverado 1500 LT 4.8L Signals,Seat Belt Chime VIN: 1GCNCPEA1B Well thank you again Iatn members another successful repair. After all the great information I was able to isolate it down to a bad LF speaker(open circuit) all is good again. I assumes that the radio was functioning properly but once I tried the fader and bal... |
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| 2015 Chrysler 200 C 3.6L ventilation VIN: 1C3CCCEG6F The odor in the underhood area has not been corrected. One of our techs suspected the odor was coming from the transmission or transfer case vent. Both units had their fluids replaced without any change in the condition. For now, we are back to the drawing bo... |
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| 2007 Dodge Ram 3500 Laramie 6.7L New Ecm VIN: 3D7KS28A17 well to sum up this situation, the vehicle went to the dealer. when the shop owner found out that he would also have to remove the valve cover to get id info on each fuel injector, he did not like that. so off to the dealer it went. Trouble codes: U1601. |
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| 2005 Jeep Wrangler Sport 4.0L No Start VIN: 1J4FA49S65 After numerous discussions with IATN techs, local techs and tech authority, it has been decided that this ECM has been installed in another vehicle prior to my purchase. The dealership will not own up to this fact, although presented to them via TechAuthority... Trouble codes: P0633 (SKIM not programmed to PCM). |
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| 1998 Mercedes-Benz SLK230 Kompressor 2.3L Stall, won't idle VIN: WDBKK47F9W This car is not fixed. Thanks you all that helped/replied. The customer did not authorize any more diagnostic time so my buddy had to put it on the back burner. One thing to add is while they were finishing working on this car weeks ago,the exhaust started blo... Trouble codes: P0300 (Missfire Random Cylinders), P0302 (Cylinder 2 Miss Fire), P0303 (Cylinder 3 Miss Fire). |
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