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Professional Automotive Repair Technical Discussions for July 26, 2016 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for All Makes and Models
| Help Request | Answers | |
| 2007 Audi Q7 Premium 3.6L Mechanical VIN: WA1BY74L77 Bought this truck from customer not willing to fix it. Timing chain broke,bent valves. Thought i would fix head and put chains in but crank gear got chipped. I have been looking for a used motor with very little luck. I can find plenty of VW Toureg engines. I... |
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| 2005 Chevrolet Express 2500 4.8L Ecm VIN: 1GCGG25V55 On first visit with same problem, replaced battery/mega fuse and cleaned all grounds. Ran fine Returned with no spark or fuel after 2 weeks. Has no communication with ECM. code U1088 |
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| 2007 Chevrolet Silverado 3500 HD WT 6.6L MIL Lamp on, Reduced power mode VIN: 1GCJK33697 sets p0101- maf performance in about 2 minutes after code clear, if it is warmed up. I did some reading & ID'd it as an 08 & observed the airflow leak equivalence ratio, which was .84-.86 with egr off. Maf is reading 44-45g/sec (3800Hz) idle with egr off. Maf ... Trouble codes: P0101 (Maf sensor performance) |
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| 2013 Chevrolet Avalanche Black Diamond LTZ 5.3L MIL Lamp on VIN: 3GNTKGE70D Smoke tested intake and exhaust non found. Replace Oxygen sensor OE bank 1 sensor 1. Clear fault and do drive cycle same fault is back? Trouble codes: P015B |
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| 2007 Chrysler Town & Country LX 3.3L Transmission Decell Exit Ramp VIN: 2A4GP44R77 First time seeing this vehicle. Customer tells me it gets stuck in 2nd or 3rd gear. But when they disconnect the neg bat terminal, it works ok for a while again. On my test drive, before it goes into limp, I see trans temp at 1023 deg f. Not possible. Fluid wo... |
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| 1996 Ford Mustang GT 4.6L ignition VIN: 1FALP45X4T This car came in for no start intermittently. when it starts it will continue to run, never dies on road. No codes, no theft codes, cranks and has no spark or injector pulse. we first noticed that it had no cranking rpm on scan tool when it doesn't start, also... |
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| 1997 Ford Ranger Splash 2.3L Poor Idle Quality, Cuts out, MIL Lamp on VIN: 1FTCR10A3V This one has rattled some cages. When this truck came in shortly after customer purchased it was running extremely rich,"burning eyes rich" black smoke, ran rough the MAF at that time was reading 10.97gm/s and the injector pulse width was as high as 20ms @ idl... Trouble codes: P0340, P0171 |
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| 2000 Ford E-350 Super Duty 6.8L Poor Fuel Economy, MIL Lamp on VIN: 1FDWE35S2Y vehicle came in with p0172 and p0174. replaced rear o2 sensor and pcv elbow due to vac leak. p0172 gone, but 174 remains. smoke tested and it was leaking from the maf harness feedthru into the air tube. fixed that but still have code 174. replaced maf, plugs,c... Trouble codes: P0174 (System lean bank 2) |
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| 2006 Ford Expedition XLT 5.4L MIL Lamp on VIN: 1FMFU165X6 As i got into the depth of these codes using my ids and lab scope we discovered this real problem. There is clear water in the engine connector (70 pin e)at the computer. Blow out the water and codes and symptoms are gone. They do return as the connector is fu... Trouble codes: P0119 (Ect sensor circuit intermittent), P0340 (Cmp circuit fault), P0344 (Cmp sensor a circuit intermittent), P2106 (Throttle actuator forced limited power), P2135 (Tp sensors a b rationality plausibility error), P0345 (Cid a circuit bank 2) |
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| 2001 GMC Sierra 2500 SL 6.0L neutral safety switch VIN: 1GTHK23U61 rewiring neutral safety switch wiring have all wires found and run but the c2 connector neutral safety switch wire pin (b) lt green circuit 275 trans mounted neutral safety switch output park . found it runs to underhood fusebox connector c2(black)pin e-3 but ... |
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| 2001 Honda Civic LX 1.7L immobilizer VIN: 2HGES16581 sad lil civic, NO immobilizer light.Checked all the fuses, 4 under hood , 1 under dash, ok.went to the immobilizer receiver and checked yel/blk from relay ok, white red from fuse #9 ok, blue orange from immobilizer indicator light all have 12V.My idea is to ge... |
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| 2002 Hyundai Sonata 2.4L Fuel leaking VIN: KMHWF25S52 Sometimes the most simplest job can drive you nuts. This costumer came in and his complaint is that his car pours out fuel from the fuel fill neck only when is 1/2 - 3/4 or above full. This happens while he is driving or just after parking the vehicle. I check... |
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| 2006 Jeep Wrangler SE 2.4L Will Not Program VIN: 1J4FA29126 I was preparing to post a new message titled "POS Jeep PCMs" but a search revealed I am just trapped in a hell hole and must go through the very same BS periodically. Last August I'd run into similar Jeep problems. This time I've gotten trapped trying to reso... |
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| 2008 Land Rover LR3 SE 4.4L Drive VIN: SALAE25468 Car came in this morning for a quick check-over. CEL was on. I retrieved an odd code, P050B (cold start ignition timing performance). It didn't seem to be a serious problem so I cleared it and told owner we could dig a little deeper if it returned. I tested th... |
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| 2003 Mazda 6 S 3.0L MIL Lamp on VIN: 1YVFP80D63 Hi guys. This is from a used car lot. They state that someone replaced the starter and then problem with P1487 and P2227 began. I can't see where that is related. I changed EGR valve. When testing I grounded EGR solenoid and the engine stumbles and the voltage... Trouble codes: P1487, P2227 (Egr boost sensor circut) |
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| 2002 Saturn L300 3.0L Interior lights, trunk release, door chime, A/C VIN: 1G8JW54R52 Vehicle has a number of intermittent electrical issues. Interior courtesy lights inoperable, electric trunk release intermittent, door chime intermittent, A/C compressor clutch inoperable. Aftermarket alarm/keyless entry/remote starter seems to work fine excep... |
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| 2008 Toyota Sienna CE 3.5L CEL Flares on upshift VIN: 5TDZK23CX8 Vehicle came in from local used car lot. Check engine light on with code P2714 for pressure control solenoid performance. Very slow shift from 2nd to 3rd. Will actually lose a couple of mph during shift. Also 3rd to 4th is sometimes slow to complete. This occu... |
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| 2002 Volkswagen Beetle GLS 2.0L No Start VIN: 3VWCB21C12 Vw tech please; know car starts and dies do to immobilizer not matched with computer (wrong vin in used computer) my question is do i need the password code from used computer (junk yard car)or can i us the password code from the customer car |
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| 2003 Volkswagen Beetle GLS 1.8L MIL Lamp on VIN: 3VWCD21Y03 came in with aforementioned fault codes, as well as misfire codes for all cylinders. replaced failed pcv valve, misfire codes gone. others reset at start up. found fuse s243 (fuse 43, 10a, dash fuse box) blown. replace fuse; blows instantly upon cranking, and ... Trouble codes: P1425, P1435, P1472, P1117, P1421, P1198 |
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| 2010 Volvo V50 2.4i 2.4L Steering wheel module VIN: YV1382MWXA I have this V50 that I replaced SRS module and Steering wheel module from a previous repair from accident damage. I programmed the SRS with no issues. The SWM will not finish the programming and fails. I now have no communication with the module and wipers ru... |
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Fixes & Summaries for All Makes and Models
| Fix/Summary | Answers | |
| 2005 Audi S4 4.2L cam timing incorrect VIN: WAUGL68E05 I hate to close this help request without a definite answer as to what caused the problem, but due to the open time I will close by saying that my machine shop, in whom I absolutely trust, said that there was no way it could have been a valve guide problem and... |
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| 2006 Audi A4 2.0L Compressor VIN: WAUKF78E06 Hi to all and thanks to all, it turned out to be the A/C compressor. I think my tech tested this wrong. But it was mentioned to jump start the compressor and that fired it up and all our pressures were good, hooked all back up and it worked for a while but the... |
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| 1987 BMW 325i 2.5L Wheels Locked Up VIN: WBABB2308H WRONG BRAKE BOOSTER THERE SEEMS TO BE 2 DIFFERENT ONES AND 5 DIFFERENT BRANDS BUILT DIFFERENTLY WE STARTED WITH MASTER CYLINDER REPLACEMENT AND DID NOT HELP THANKS FOR THE HELP |
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| 2013 Chevrolet Camaro LS 3.6L 1st Brake to 1st VIN: 2G1FA1E30D Well, the problem is internal. Replaced the transmission and all is good. I'll need to researched the flow charts to narrow it down some more. I know it's related to the two solenoids that turn off. Need to trace the flow of them. I just don't have the ti... |
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| 2009 Chrysler Town & Country Touring 3.8L No Start VIN: 2A8HR54179 OK THIS ONE IS FIXED, IT WOULD CRANK FOR EXACTLY 2 SECONDS START AND IMMEDIATELY STALL AFTER MUCH RUNNING AROUND AND CHASING DEAD ENDS , FINALLY CONFIRMED ECU WAS THE CULPRIT. THE |
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| 2008 Dodge Charger R/T 5.7L abs VIN: 2B3LA43H58 Ended up replacing the abs module and using a modis to relearn all adaptives.Final decision to condemn module because even when vehicle wasnt failing and all speed signals good abs lamp wouldnt go out unless cleared. If a false code was induced by unplugging a... |
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| 2007 GMC Sierra 1500 WT 5.3L No shift from 1st VIN: 2GTEK13M57 Was hoping for a more definitive way to diagnose this issue. Specifically how and why there was a VSS signal when symptom was present. The problem was with the reluctor wheel snap ring coming off and allowing the wheel to move side to side. By removing the VSS... |
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| 2005 Land Rover Range Rover HSE 4.4L Misfire, MIL Lamp on VIN: SALME11415 Suspected that the vanos actuator was causing timing to change when running, as the static timing was correct. Replaced B2 actuator and both vanos solenoids (both were leaking oil into the ECU connectors). Compression is now correct,no misfires and fuel trims ... Trouble codes: P0305 (Misfire cyl. 5), P0306 (Misfire cyl. 6), P0307 (Misfire cyl. 7), P0308 (Misfire cyl. 8), P0040 (B1S1 02 Sensor Swapped with B2S1 02). |
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| 2007 Lexus IS350 3.5L Compressor VIN: JTHBE26207 Thanks for all the help it was the RPM sensor in the compressor |
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| 1986 Mercedes-Benz 560SL 5.6L a/c compressor VIN: WDBBA48D2G Replaced failed klima relay, replaced faulty climate control push button assembly, replaced faulty climate control unit computer, replaced a/c thermostat switch and blower motor regulator. Specifically to fix just the a/c: push button assy., klima relay, clima... |
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| 2006 Mercedes-Benz C230 Sport 2.5L cooling fans VIN: WDBRF52H16 this vehicle had an accident prior. had to replace the condenser with a pressure switch and the wiring to the switch was smashed. i think i had the connectors switched going to the switch because i had to repair it. works great. thanks to all those who replied... |
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| 2007 Mercedes-Benz GL450 4.6L Trailer Lighting VIN: 4JGBF71E57 WE HAD A CONVERTER FOR LED TRAILER LIGHTS THAT HAD NO EFFECT. WE TRIED REPLACING ASSOCIATED RELAY AND FUSE BOX TO NO AVAIL. CLIENT DECIDED TO STOP USING VEHICLE FOR TOWING. |
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| 2012 Nissan Juke S 1.6L Abs, Slip Lamp VIN: JN8AF5MV1C A huge Thank You to all who replied. We found that we had four of the same brand tire, but only 3 of one model. there was a different model tire on the right rear... the chalk marks were the trick to figuring it out. Extra thank you! |
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| 2001 Toyota Echo 1.5L Mechanical VIN: JTDBT12371 everyone that said condenser was correct. Gordon from washington hit the nail right on the head. decisant beg failed. thanks for everyones help. |
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| 2012 Volkswagen Jetta S 2.0L Misfire VIN: 3VW1K7AJ2C We exhausted every thought we had and couldn't find a specific problem. We sought help from Jeff Bly he did in cylinder pressure testing (ect), but couldn't come up with anything conclusive. He and I both agreed it wasn't misfiring but computer was picking u... Trouble codes: P0302 (Misfire 2), P0300, P130A. |
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