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Prev Professional Automotive Repair Technical Discussions for May 19, 2014
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Help Request Answers
2004 BMW X5 4.4i 4.4L abs VIN: 5UXFB53524
This car came in with multiple faults in the DSC unit. Faults for wheel speed sensors 5E02 wheel speed sensor general, 5E28 front left, 5E52 front right and, 5E44 rear right, 5DD0 Control unit "overvoltage", 5F3A transfer case: malfunction. When it was in befo...
2004 BMW X3 3.0i 3.0L 4x4 traction light VIN: WBXPA93404
Hello techs., this one kicking my butt. Vehicle came in with a 4x4 traction light on. pulled codes from DSC module and transfer case. "D35B" no message (DSC sensor OCB) "55c4" No message from DSC. "54c6" oil wear. because of the high milage and oil wear code t...
2009 BMW X5 xDrive30i 3.0L Compresor VIN: 5UXFE43509
2009 BMW X5 3.0 engine with adaptive drive. Car sent to me from local Ford Dealer. A/C belt missing looked like it had been slipping. Replaced belt made sure charge was correct and system worked fine in the shop. Drove couple of miles and stopped cooling. Clut...
1996 Chevrolet Impala SS 5.7L Misfire, MIL Lamp on VIN: 1G1BL52P2T
i need help on this one. this impala was brought to me from another shop, where motor and trans were rebuilt also had a compleat tune up with above repairs. car came in with 8 codes in memory four were for ox sensors no activity lean exhaust and heater codes b... Trouble codes: P0300
2004 Chevrolet Malibu LS 3.5L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G1ZT54854
thanks in came in w/random missfire code, missing on cyls 1 & 3 mostly some misses showing on other cyls but very little figured this was due to major skips on 1&3.cust had installed new plugs & wires,chkd firing order ,ok.swapped plugs & wires aro... Trouble codes: P0300
2004 Chevrolet Silverado 1500 5.3L Hydraulics VIN: 1GCEK19T34
Customer brought vehicle in for spring maint. we noticed brake pedal was very low,he said "Been like that a long time" we said "we'll take a look". Power bleed,automated bleed,still low. Blocked off front brakes pedal feels moderately better. Replaced pads,rot...
2004 Chevrolet Trailblazer LS 4.2L 4x4 operation VIN: 1GNDT13S14
Vehicle came in initially stuck in 4 Hi & had lots of transfer case codes stored - found someone had replaced the encoder motor and used butt connectors that were not weather tight - all wires were green and would break off when touched - moisture had wicked a...
2005 Chevrolet Trailblazer LT 4.2L door locks, power windows, no start, radio rear wi VIN: 1GNES16M85
Need some help with this one. VIN decoded as a 6cyl but it is a 5.3l v8 truck. customer lost drivers door switches approx 6 months ago but it still ran fine and everything worked from the other doors. Now towed in as a no start. Vehicle will not turn over and ...
2002 Dodge Dakota SLT 4.7L code 82 & 83 VIN: 1B7HG48N62
After replacing the ECM, the truck would run, but, the ABS lite flashed on and off. I checked for codes and found mismatched VIN, Code 82 tire size wrong, Code 83 tone ring teeth out of range in the RABS module. I rechecked the VIN in the ECM and found one str...
2004 Dodge Grand Caravan SE 3.3L MIL Lamp on VIN: 1D4GP24R24
Vehicle came in with trouble code POO32 and PO135 for heater circuit problem on B1,S1 O2 sensor.The O2 was still original and measured 17 Ohms on the heater wires,Specs are 3-4 Ohms.These measurements were taken with sensor at 70 degrees farenheight.I replaced... Trouble codes: P0032, P0132, P0135
2005 Dodge Durango SLT 4.7L MIL Lamp on VIN: 1D8HD48N45
Hello fellow techs, we have this Durango that came in with a check engine light and would go into limp mode after driving for a while. To make a long story short we had a code P0058 which turned out to be a failed heater circuit on a 02 sensor, and a P2706 sol... Trouble codes: P0461
2006 Dodge Ram 1500 SLT 5.7L 3rd & 4th gear errors VIN: 3D7KS19D96
Greetings Techs. I've got this one on loan since no one else seems to be able to make it work. Vehicle owner purchased vehicle used and within about a week the transmission started slipping with codes P0868, 733, 734 present. A good rebuilder, same one I've us...
1991 Ford F-150 Custom 4.9L No Start VIN: 1FTDF15Y3M
Hey guys, I got this one in ona a hook. It will turn over but it will not run. With the key on the fuel pump relay, thermactor air diverter solenoid, and thermactor air bypass solenoid will buzz until you turn the key off. It does have injector pulse. I have c...
2006 Ford F-350 Super Duty XLT 6.0L No Start VIN: 1FTWX31P26
The engine will not start. It runs Injector Buzz test and passes BUT you don't hear the injectors. Also no key up clatter. Run KOEO, Buzz and continuous, have no codes. All Sync, ICP, IPR FICM M power, Bat voltage and RPM are within acceptable levels. ICP KOEO...
2008 Ford Expedition EL Limited 5.4L Timing Chain VIN: 1FMFK20568
Hi everyone got one here that i am not that familiar with. I fixed this truck last year and an exlorer a few months ago for the same problem(broken right guide). The truck was fine for a year and about 12k miles after the repair. When we torn it dowm we found ...
2004 Hyundai Sonata GLS 2.7L Poor Idle Quality, Misfire, MIL Lamp on VIN: KMHWF25H44
thank you up front!i have a returning p0352 and o0355( coils B and E in that order) along with misfire on cylinders 2 and 5. also returning random misfire. the connector into the coil [...] is cracked in the plastic plug end ,but all the pin connectors are in c... Trouble codes: P0352, P0355, P0302, P0305, P0300
2002 Infiniti QX4 3.5L Unknown VIN: JNRDR09Y52
This vehicle has a vibration in rear driveshaft-I can remove the rear shaft and drive it in 4wd on the front axle and the vibration is gone-owner happens to own an identical 2001-swapped out the rear shaft-no change???-I am thinking maybe the rear pinion yoke ...
1999 Isuzu NQR 4.8L stuck in limp mode VIN: JALE4B144X
Good morning, I am looking for some Isuzu transmission help. I have obtained the flash codes from the trans, but cannot find any chart to decipher them. The codes are as follows, 11,17,27,37. I am under the impression that this is the JR403 trans but I may be ...
2004 Isuzu Rodeo S 3.5L no spark VIN: 4S2DM58Y94
no dtc's stored. ohm test cam sensor ckts a27 a28 a29 a42 a43 a44 = ok at this point we will scope the cam sensor signals. we are in the process of taking the valve covers off to check cam dowels. in testing left cam sensor with ecm connected and battery conne...
2004 Lexus RX330 3.3L Hesitation, Misfire VIN: JTJHA31U84
after it gets hot is starts misfiring and hesitating at 3500 rpms and up. Watched misfire counter and missing on cylinders 3,5,4 and 6. Idles fine and drives fine as long as you don't get above 3500 rpms. It feels like fuel cut off is active. cant check fuel p... Trouble codes: P0305
2005 Lexus RX330 3.3L power windows VIN: 2T2HA31U75
This vehicle came in with a bad draw. 250-300 ma. Removing the ECU-B fuse eliminated the draw. Found that disconnecting the master power window switch eliminated the draw as well. The power windows are staying active ALL THE TIME. Windows will operate from the...
2004 Mazda 3 S 2.3L Immobilizer VIN: JM1BK14314
Car came in for bearing, check engine light. replaced bearing and thermostat for code p0128. check tsb's for the 128 code and it said to either reprogram pcm and/or change thermostat. Was starting to reprogram pcm with spx pass thru couldn't get Mazda program ...
2003 Pontiac Montana 3.4L Poor Idle Quality, High Idle VIN: 1GMDX03E63
Can not figure this one out. Idles high 1500-2000. Can get to idle down 900. As soon as it goes into gear idle jumps up again. Replaced IAC, Replaced bad PCV hose on throttle body, cleaned MASS Air Flow. Replaced IAC With different vendor. IAC reads correct. J...
2006 Saturn Relay-3 3.5L Cuts out, MIL Lamp on VIN: 5GZDV23136
Sensor is no good.Need to know the best way to remove this crank sensor. Looks like I will have to remove the back exhaust manifold. Trouble codes: P0336 (Crank sensor)
1995 Toyota T100 DX 3.4L Poor Fuel Economy, Timing Retard VIN: JT4VD12E5S
This truck belongs to a family member, who is new to the auto repair world, so I offered him a stall and tools to work on his truck. The initial problem was a Leaky Front Crankshaft Oil Seal. Prior to beginning the service, the engine was running very well, an...
1995 UD 1400 4.2L Auto Transmission VIN: JNAU4T1J4S
Customer drove the truck for about 20 miles and on the way back (after a short stop) it would not drive faster than 25ph. Problem was confirmed with transmission not shifting at all and 25 mph was achieved as maximum speed in the same gear. Furthermore, we not...
2003 Volkswagen Passat GLS 1.8L Brake Booster VIN: WVWVD63B73
Thanks in advance for the help guys. I have this VW that came in for ABS light coming on and going off. I retrieved code "17887 (P1479)Brake Boost Vacuum System Malfunction" out of engine control module and I retrieved code "01203 Elecrical Connection between ...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2005 BMW 645Ci 4.4L vacume booster VIN: WBAEK73465
Hi well it turns out the problem was the new booster in fact it took 3 to get the car where we were happy with it... Thank You for all the responses, they were all very helpful. And thanks to Harry i will never misspell VACUUM again...Lol
2009 Buick Lucerne CX 3.9L No Start
Thanks to all that replied special thanks to jeff for outlining some tests for me which led me back to pump drawing to much fuel pressure was spot on koeo 58 psi and koer 61 psi another fuel pump was not available for a couple days customer decided to take car...
2006 Chevrolet Silverado 1500 WT 5.3L transfer case control VIN: 1GCEK19B66
We replaced the encoder motor position sensor. Vehicle gone a week so far no more problems.
2006 Ford F-250 Super Duty XLT 6.0L No Start VIN: 1FTSW21P46
The tech originally was using a small hand held to view the pids. I believe he was viewing the wrong pid for the icp pressure reading. I believe he was viewing desired. Once I got involved and hooked the verus up and viewed the icp pressure during cranking. It...
2009 Honda CR-V LX 2.4L Power Steering VIN: JHLRE48389
thank you dale, and all those who hepled on this one. it WAS the a/c compressor clutch. replaced it, and noise is all gone.
1994 Isuzu NPR 5.7L Mechanical VIN: 4KLB4B1A4R
Thanks for the information and the links everyone. Helped me fine some of what I was looking for.
2000 Jaguar XJ8 4.0L Coolant loss VIN: SAJDA14CXY
Upon approval of the customer, we tore down the engine,noting that there had been a previous attempt to replace the cam chain tensioner that runs between the double cams on the right side head, stacking washers to make up for the wrong tensioner being used. Th...
1992 Jeep Wrangler 2.5L No Start
Well ok folks,here it is. As usual,the fix was simple. Special thanks to Steve,Dan,James and Timothy. Steve just plain had it,Dan shared an archived scope pattern with me that showed the problem in real time,Timothy shared an antecdote about his daughters car(...
2002 Jeep Grand Cherokee Limited 4.7L fan VIN: 1J4GX58N02
Well this is the first time i ran across this type of fan.with the help of your replies i looked at the diogram more closely ,they put both types of fan systems on 1 diogram and i thought it was all to 1 system.that being said, i had power , ground and signal ...
2004 Kia Sedona EX 3.5L Engine VIN: KNDUP13184
I hadn't ever tried putting a jack under the motor until that morning when a fellow mechanic suggested it. It did reduce the vibration so I had swapped the upper mount with what I thought was a known good one with no noticeable change. After chasing my tail ...
2007 Mazda CX-7 Touring 2.3L turbocharger VIN: JM3ER29317
I pulled exhaust side of turbo, could see up in behind impellers, it looked like the seal had failed.. Am ordering parts today.. Thanks for all your help. Seems like these things are kinda rough on turbochargers... had turbo rebuilt, now all is well... Note: w...
1995 Mercedes-Benz E320 3.2L No Start, Poor Idle Quality, Cuts out, Stall, Misfire VIN: WDBEA32E4S
I have decided to replace ECM. I feel I have ruled out other possibilities. thanks to all for tech. help considering I didn't speak enough Mercedes to ask an intelligent question. this is a great site. FYI the homemade code counter found in the replies for thi...
1995 Mercedes-Benz S500 5.0L No Start VIN: WDBGA51E8S
I've replaced the crank sensor prior to the posting with an OEM part, all wiring harnesses have been changed. However, I did take a chance in replacing the fuel pressure regulator. Did not have the opportunity to drive the distance to re-create the problem. Ag...
2004 Porsche Cayenne 3.2L Starting VIN: WP1AB29P64
Thank you for the responses. Unfortunately This customer would not authorize any additional diagnosis time and had the vehicle towed away. Thanks again.
1994 Rolls Royce Silver Spur III 6.7L No Start VIN: SCAZN02C7R
Thanks guys it was indeed the crank sensor, the cable had worn through it's insulation right where is connects to the main harness on top of the engine. Thanks again for your input.
2008 Suzuki Grand Vitara XSport 2.7L Excessive Emissions, Hesitation, Poor Fuel Economy VIN: JS3TD94498
intake does not seal to the crank case, i could not find a leak with brake clean when watching the o2s, or with the smoke testing the intake. i did do a compression test on all the holes, all with in 5psi. i did not check valve clearance do to good compression... Trouble codes: P0174.
2002 Volkswagen EuroVan MV 2.8L Charging VIN: WV2MB47082
thanks again guys, this one is fixed! all three alt. were JUNK!! thanks for the heads up Steve about not disconnecting the wire from the alt while it is running, NORMALLY i would not do this, but my hair was standing up on end!!! i even have a clamp on amp me...
2002 Volvo V70 X/C 2.4L Temperature Damper Motor VIN: YV1SZ58D92
Thanks guys! All of you are correct on this one. Was unable to self-adjust motors myself so vehicle is headed to the dealership. I think for future Volvo Climate Control issues, verifying that no Volvo scanner is required is the first thing to check. You guys ...
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