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Professional Automotive Repair Technical Discussions for February 28, 2017 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for All Makes and Models
| Help Request | Answers | |
| 2010 Audi A5 Quattro 2.0L MIL Lamp on VIN: WAULFAFR7A The car came in with a P0420 and P0456 catalyst and very small evap leak. We did all the normal testing to make sure the cat was bad and then replaced the cat with a DEC part. The light came back on 2 days later. Has anyone had a bad DEC cat? What else could b... Trouble codes: P0420 (Cat efficiency below threshold) |
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| 2010 BMW 328i 3.0L Engine VIN: WBAPH5G58A Hello BMW tech's, we have a intermittent problem, customer came to a stop and everything shut off is the way she explained it. We have not be able to duplicate and only happened to her once. The only code we found was in the immobilizer module, D904 vehicles a... |
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| 1997 Buick LeSabre Custom 3.8L ecm monitors VIN: 1G4HP52K7V Hi every body. I am here asking for your help for what I am very grateful already. It is about this BIUICK that did not pass the state inspection for having the check engine light on. Upon checking for codes, I was able to come up with codes po102 and po420.(... |
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| 2009 Buick Enclave CXL 3.6L Shift Interlock VIN: 5GAER23D69 Vehicle is not here. I have a customer stuck in parking structure with no battery power at all. Can anyone tell me how to override the shift interlock on this vehicle? Wrecker can't get to where they are parked. They need to get vehicle out of parking space mi... |
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| 2010 Cadillac Escalade Hybrid 6.0L Steering VIN: 1GYUKEEJ8A HI GUYS NEED HELP ON THE HYBRID.NO POWER ASSIST.CODE C0460-STEERING POSITION SENSOR.IN PSCM THE STEERING SENSOR DOES NOT CHANGE IT READ ZERO DEG BUT IN ABS SYSTEM DOES READ NORMAL. Ignition OFF, disconnect the X3 harness connector at the PSCM. Test for 3K 1310... |
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| 2002 Chevrolet Silverado 3500 6.6L MIL Lamp on VIN: 1GCJC33152 Hello and thanks for reading. Have this truck that sets U1800, U2104 and U2105 every time you drive it. Sometimes takes several miles. Sometimes just idling. Also illuminates the MIL. Symptom are showing up in the transmission shift quality. It is harsh but ... Trouble codes: U1800 (Loss of comm FICM), U2104 (CAN Bus reset counter over run), U2105 (Loss of comm ECM) |
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| 2008 Chevrolet Tahoe LTZ 5.3L Differential VIN: 1GNFK13018 This Tahoe has a substantial thump on heavy acceleration. The thump is related to wheel speed. Cannot hear noise under normal driving conditions but when you step on it, it can be heard and also felt through the seat. It thumps every revolution of the wheel an... |
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| 2007 Dodge Nitro SXT 3.7L No Start VIN: 1D8GU28K17 This 3.7l Dodge Nitro won't restart hot most of the time. It occurs after sitting for 5 to 10 minutes. Longer than that it restarts. It appears to have correct fuel pressure all the time (56 PSI). It also always has spark, and crank RPM. When it happens It has... |
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| 2007 Ford Ranger Sport 4.0L Jumped timing VIN: 1FTYR44EX7 Truck was leaking anti-freeze, found head gaskets to be leaking. Replaced head gaskets, bolts, resurfaced heads. Truck ran great for an hour then cut off found truck had jumped time due to faulty timing chain tensioner. So, pulled motor back out replaced timin... |
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| 2008 Ford F-150 XL 4.6L Poor Idle Quality, Surge, Cuts out, Misfire VIN: 1FTRX12W48 The engine a little rough at first. All ft are at 0 then max out in opposite directions. B1 cat doesn't heat up. It seems quite apparent that the cat is clogged. However, I removed the upstream o2 and unplugged the rest. The fuel trim is still adjusting and ma... |
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| 2009 Ford Escape Limited Hybrid 2.5L Shift Interlock VIN: 1FMCU49389 HI there and thanks for the help on this one. I have this 2009 Escape Hybrid that will not pull out of park unless you use the mechanical override on the shifter. On the scanner in the trans data list, it shows that it is in neutral when it is actually in park... |
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| 2011 Ford F-150 XL 5.0L Poor Idle Quality, Surge, Misfire, MIL Lamp on VIN: 1FTFW1EF0B Hey and thanks for your help. Want to see if anyone has ran into this issue before spending too much time diagnosing. Have a 11 F150 5.0 with a rough idle and misfire. When we first checked found misfire codes on 8 and 7 with ignition coil primary code. Checke... Trouble codes: P0300 |
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| 2005 Hyundai Santa Fe GLS 2.7L ABS pump VIN: KM8SC73D45 This all started with an AC compressor replacement. Vehicle comes back the next day with this problem. With the vehicle idling or with ignition on the ABS cycles (loudly) with the TCS light on at the same time. It will not do this when driving or when holding ... |
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| 2009 Hyundai Sonata SE 2.4L engine bad VIN: 5NPEU46C39 Is there any chance a Federal emissions engine will work? |
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| 2010 Infiniti G37 X 3.7L Engine VIN: JN1CV6AR2A 2010 Infiniti G37x. Initial problem p0106. Started diag with smoke test of all vacuum lines and intake components. Everything checked out OK with no leaks or cracks or signs of unmetered air getting into the system. Moved on to diagnosis of wiring to the map s... |
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| 2001 Jeep Cherokee Sport 4.0L No Start, Poor Idle Quality VIN: 1J4FF48S31 Hello to all...I am experiencing a hot soak(235 or higher) problem with this jeep. Runs rough for 30 seconds or takes extended cranking to get to start and clear flood doesn't help either. I have done two TSB fixes with no results, 1st the insulators on inject... |
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| 2006 Land Rover Range Rover Supercharged 4.2L engine: misfires. VIN: SALMF13486 Vehicle will have dead miss in cylinder 8 at cold start up. Client reports that symptom will go away once warm, we have not observed this. Randomly a misfire will register for next cylinder in bank but is very rare (we assume this to be caused by the dead miss... |
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| 2007 Mercury Mountaineer Premier 4.0L Temp Guage VIN: 4M2EU48E77 This vehicle came up because the temp gauge will randomly rise to HOT, ive determined it is not actually overheating at all. I installed an OEM t-stat and sending unit. He is what ive found, it only happens on cold start, temp will rise slowly like normal. Upo... |
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| 2005 Nissan 350Z Grand Touring 3.5L Top VIN: JN1AZ36AD5 The convertible top will not open. When sitting in the car engine running brake pedal depressed the windows lower and the passenger seat goes forward and you hear the latch release and then nothing happens no movement or noise. My bing question besides whats w... |
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| 1997 Porsche 911 Carrera 3.6L Hesitation, Surge VIN: WP0AA2995V engine was removed and overhauled , new pistons and cylinders/ heads rebuilt,,, new valves and guides, new flywheel and clutch etc etc when you drive the car it has multiple codes and surges at roughly above 2500,, idle will get rough , have gone thru this c... Trouble codes: 00002 (no description), 00034 (o2 sensing range 2 cyl 4-6), 00074 (no description), 00124 (intake air temp sensor) |
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Fixes & Summaries for All Makes and Models
| Fix/Summary | Answers | |
| 2007 BMW 530xi 3.0L Engine VIN: WBANF73527 Thanks to all of you who replied , after I installed new servo motor and repaired wiring in the relay socket that was pushed down she fired right up. |
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| 2012 BMW 328i 2.0L Park VIN: WBA3A5C5XC Hi sorry took so long to reply, as was mentioned there is a set bolt to screw in and takes it out of park. The problem with the fuel circuit, found the fuel pump drawing too much amperage and would blow fuse. Replace pump. After this did not have problem with ... |
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| 2009 Cadillac CTS 3.6L Charging VIN: 1G6DU57V09 Ok well another one back on the road. Had to wait for aftermarket company to order in a a/c delco at their expense and pay the labor but it is fixed. I held their feet to the fire and made them order in the OEM one. Thank you all for the help. |
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| 2000 Chevrolet Silverado 1500 4.3L No Start VIN: 1GCEC14W4Y Thanks for ever body help. It turned out to be the connector to the Ignition Control Module. The Ign. Timing sig. from PCM was bad. repair and fired up. |
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| 2005 Chevrolet Colorado Z85 LS 3.5L MIL Lamp on VIN: 1GCDT13625 A little lazy on my original post. Did a couple wheel bearings and a maf along with front o2 sensor first time in. Replace maf because trims were all skewd, scope on maf couldn't get more than 3.5 volts with throttle snap. Replaced front sensor second time. co... Trouble codes: P1133. |
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| 2001 Ford F-150 XL 4.6L Poor Idle Quality, MIL Lamp on, Fuel trims VIN: 1FTRF17W01 THE CAM TIMING WAS OFF DUE TO LOOSE TIMING CHAINS. THE CUSTOMER DECLINED FIXING IT DUE TO LACK OF FUNDS. PUT IT BACK TOGETHER AND HE DROVE IT OFF. Trouble codes: P0174 (Bank 2 system too lean). |
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| 2005 Ford F-250 Super Duty Lariat 5.4L Mechanical VIN: 1FTSX21525 I ended up sending this truck to another shop with more experience with these plug problems. Turns out the head ended up coming off after an extractor broke off in the threaded portion that was frozen in the head. The extractor that broke was a tapered style, ... |
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| 2010 Ford Taurus SE 3.5L Misfire VIN: 1FAHP2DW1A Hi Everyone, Thanks for all the help. I had 13 replies basically everyone recommended replacing all coils with oem and a few people said they still see a lot of pcm problems. What I is to check and had a good clean signal to #1 coil so I replaced the plugs and... Trouble codes: P0150 (Ho2s bank 2 sensor 1 fault), P0301 (cylinder 1 missfire), P0316 (Missfire on startup), P0351 (Coil a circuit), P0352 (Coil b circuit), P0354 (Coil d circuit). |
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| 2004 Mercedes-Benz E500 4Matic 5.0L Misfire, MIL Lamp on VIN: WDBUF83J44 THANK YOU WHO REPLY.COMPRESION TEST IN SPEC,LEAKAGE TEST PASSES,USED GM TOP ENGINE CLEANER BUT NO HEALP.WE TRY TO RELEARN ROTOR VALUE MULTI TIME WITH XENTRY BUT DOES NOT GO THRU THE COMPLETE PROCEDURE.AFTER MULTI HRS WASTED CUSTOMER DOES NOT WANT TO SPEND ANY... Trouble codes: P2052 (Cyl 5 misfire), P2056 (Cyl 3 misfire). |
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| 2009 Porsche Cayenne 3.6L MIL Lamp on VIN: WP1AA29PX9 vac tubing behind pass side rear had 2 splits before the ck valve smoke tested passed just happen to feel the lines sure enough i just had to finger it out lol Trouble codes: P12A2. |
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| 1999 Toyota Land Cruiser 4.7L No Start VIN: JT3HT05J4X We have a fix had good power and grds. Replaced crank sensor. had power to injectors and coils. Customer has truck no more problem. |
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| 2005 Volvo XC90 2.5T 2.5L Hesitation, backfire VIN: YV1CY59285 Thank you for All the replies! It turned out to be the crank sensor housing was CRACKED! with it moving, it couldnt keep the right timing. Replacing the housing was a fun time also! Thank you again! Fred Trouble codes: 500D. |
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