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Professional Automotive Repair Technical Discussions for May 10, 2018 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for All Makes and Models
| Help Request | Answers | |
| 2002 BMW 530i 3.0L A/C Compressor VIN: WBADT63432 Hello everyone. This one has got me pulling my hair out. Customer states it has no A/C. The compressor does not engage. Evacuated and charged to system, it only had 4oz in it. Still no compressor engagement. Checked power to the clutch, has no power. Attem... |
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| 2011 BMW 128i 3.0L not known VIN: WBAUL7C5XB Hello fellow detectives. I have the above listed vehicle in my shop for a noise in the dash area near the steering column. The vehicle has to be warm and the noise is louder with windows closed at idle. The noise has a blower motor sound with debris in it.... |
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| 2005 Chrysler 300 Limited 3.5L Under-drive solenoid VIN: 2C3JA53G05 I suspected a circuit problem with this car. I removed the transmission relay, probed 87, hot to the solenoid pack, and unplugged C4 at the ecm. I found all the solenoids had right around 1.78 ohms. I applied hot to the under-drive circuit and it made a ro... |
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| 2011 Dodge Grand Caravan Crew 3.6L Misfire VIN: 2D4RN5DG4B Van came in with misfire at idle and a new Ignition coil and spark plug and new injector. I disconnected the injector and found no pcm control. Later found this is always the case when you disconnect. Replaced pcm with used... and found original full of wa... Trouble codes: P0306 (Cyl 6 misfire) |
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| 1998 Ford F-150 Lariat 4.6L No Start, Stall VIN: 2FTZX18W7W 1998 f150 will die driving when it dies it also loses communication with scanner let it sit over night and it starts right up and scanner communicates truck will run for 30 min or longer before it dies again |
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| 2010 Ford Fusion SE 2.5L Poor Idle Quality, Misfire, MIL Lamp on VIN: 3FAHP0HA9A Greetings fellow techs, Inherited this vehicle from other tech in shop. Will give you all some background. Came in with money light on, and above codes in memory. Rookie tech decided to put spark plugs in (ngk o.e.) and coils for 1 and 4. Code P0352 ... Trouble codes: P0351 (Ignition coil A), P0352, P2135 (Throttle position A/B voltage correlation), P1635 (Tire/Axle out of acceptable range) |
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| 2014 Ford Focus SE 2.0L Clutch/controls VIN: 1FADP3F23E Typical focus shudder when shifting. Then it worsened. I did some research and sent customer to dealer for new software. Ford dealer said needs clutch. They told her Parts are factory garbage. They forgot about the software. I got it and installed a new Fo... |
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| 2015 GMC Yukon SLT 5.3L Poor Idle Quality, Surge, Poor Fuel Economy, MIL Lamp on VIN: 1GKS2BKC3F Well been at battle with this for too long, need help. This Yukon is setting rich codes both banks, driveabilty is good with no lack of power. To me it's just like an 08 with fuel composition issues. Using MDI and find no reset for that. Fuel trim reset wo... Trouble codes: P0172, P0175 |
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| 2003 Infiniti G35 3.5L Unknown VIN: JNKCV51E33 Hello IATN members, I am in the process of replacing the valve body assy. on this vehicle. I do not know if I have to program the TCM or just plug and play? Because the TCM is not in the valve body. Thx in advance. |
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| 2005 Jeep Grand Cherokee Laredo 4.7L Poor Idle Quality, Surge, Stall, MIL Lamp on VIN: 1J4HR48N25 Vehicle runs very rough. Surges and stalls at idle. Customer says symptom happened all at once, not a gradual progression. I have a p0068 code. It says most likely cause is a vacuum leak but I have smoke tested system from various points including brake... Trouble codes: P0068 (Manifold pressure/throttle position correlation), P0068 (Manifold pressure/throttle position correlation), P0068 (Manifold pressure/throttle position correlation) |
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| 2008 Jeep Wrangler Sahara 3.8L anti theft light VIN: 1J4FA54138 Hi all and thanks for the help. customer says he left the key on overnight in the morning the battery was dead. got a jump and the red anti theft light continues to flash. no problem starting the vehicle just annoying flashing light. any help would be apprecia... |
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| 2010 Jeep Commander Sport 5.7L MIL Lamp on VIN: 1J4RG4GT8A Does any one have a known good cam crank waveform for this 5.7? any help appreciated thank you Trouble codes: P0016 |
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| 2009 Kia Sportage LX 2.7L MIL Lamp on VIN: KNDJE72379 Got this kia kicking my ass. Came in with a dead mass air flow sensor. Found no single on sensor,pulled it and found broken hot wire. Installed New (after market) sensor checked sensor single after install all nice and clean reading right where my scope sa... Trouble codes: P0174 (Fuel system lean bank 2), P0172 |
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| 2009 Kia Rio SX 1.6L MIL Lamp on VIN: KNADE22349 This Kia came in about a month ago for an Evap code (no P0068). We diagnosed that her new purge solenoid had an open circuit. She had AZ warranty the part and we put it in. Test drove it to set readiness monitors and took it for emissions testing. Two week... Trouble codes: P0068 (MAP/TPS not corresponding) |
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| 2004 Lincoln Navigator 5.4L Excessive Emissions, Poor Idle Quality This navigator idles and runs rough has b1short term at around 5 and b1long term 12 and b2 short term at 10 and b2 long term 22 I changed spark plugs and coils no improvement also did compression test and all within specs need help thank you |
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| 2008 Mazda 3 S 2.3L battery VIN: JM1BK34338 i have a parasitic draw on this car of .150 milliamps. the only fuse in the car that removes this draw is the BTN fuse. which from my understanding protects many different circuits. so i started unplugging stuff to narrow it down. so far i have unplugged t... |
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| 2010 Mazda CX-7 Touring 2.3L engine VIN: JM3ER4WLXA Car seems to be building crankcase pressure and causing oil leaks looks like bigest leak is around valve cover and Cam sensor in valve cover does any one have any idea how much pressure the crank case should have I put a pressure gauge in the oil fill hole... |
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| 2008 Mercedes-Benz S63 AMG 6.3L MIL Lamp on VIN: WDDNG77XX8 Mercedes Tech, please help on this bad boy here. Customer came in concern loss acceleration, hissing noise at idle & check engine light on. We smoke test intake system, no external leak found. We spray brake cleaner around intake & found leak in between ga... Trouble codes: P2095 (Left bank too lean when idling), P2091 (Right bank too lean when idling), P0749 (Left bank enrichment at idle above premissible limit), P0745 (Right bank enrichment at idle above premissible limit), P3688 (Rear throttle valve actuator) |
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| 1982 Rolls Royce Silver Spur 6.8L No Start, Cuts out, Stall VIN: SCAZN42A4C Help, first Rolls in 45 years running a shop and I hope the last,LOL Customer /friend drove it to me from about 30 miles away, parked it and next day won't start. This car sat for 3 years and the gas smelled bad and looked bad, we siphoned and used the car... |
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Fixes & Summaries for All Makes and Models
| Fix/Summary | Answers | |
| 2004 Chrysler Pacifica 3.5L Poor Idle Quality, MIL Lamp on VIN: 2C8GF68414 Computer was causing the issue, reman from dodge no longer available , i found a used one for $65.00 and its all good |
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| 2006 Hummer H3 3.5L clutch/transmission VIN: 5GTDN13646 Thank you all for the information, unfortunately this customer is afraid of spending any more money and cannot give up the vehicle for a day to allow me to diagnose the concern. I'm hoping that he will come in soon, I'll kee you all posted |
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| 1988 Lincoln Town Car 5.0L Excessive Emissions VIN: 1LNBM81F2J Thanks to all the techs who responded, yes it was a ground circuit problem! Someone had replaced the motor with a different model 5.0 at one time and cut one of the PCM grounds wire in the harness! My tech said he had seen the wire, but he thought it was it w... Trouble codes: 41 (Runs Rich), 91 (Runs Rich). |
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| 2007 Mercedes-Benz C230 Sport 2.5L MIL Lamp on VIN: WDBRF52H67 Thanks for all your help. After sifting through the responses I was confident that the basic timing was correct. The only for seeable cause left would be oil supply or control valve in the center cam bolt. Since the bolt was days way I opted to try to do th... Trouble codes: P1199 (P0017 right exhaust cam position implausible). |
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