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Prev Professional Automotive Repair Technical Discussions for October 7, 2013
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Open Help Requests for All Makes and Models
Help Request Answers
2000 Audi A6 Quattro 4.2L Timing Chain VIN: WAUZL64B0Y
This one is killing me and I have run out of ideas! Car had a P1522 code (intake camshaft control malfunction, bank 2), p0300, p0305, p0306, P0307, P0308 and a loud rattle from the left bank. Suspected a faulty chain tensioner. Resistance tested the solenoid a...
1995 Chevrolet Impala SS 5.7L Poor Idle Quality VIN: 1G1BL52P9S
hvae this car here, sometimes will have a long crank to start, but when it does it runs rough at idle and definatly doesn't have full power it should. When running stinks like sulfur, i checked for codes none present. Verify good spark, decided to unplug injec...
2000 Chevrolet S10 4.3L Misfire, MIL Lamp on VIN: 1GCDT14W6Y
Vehicle came in for check engine light for (p0304)for rough idle. I check and found plugs and wires old. Replace spark plug, wires, cap and rotor. After i replace, test drive; vehicle is running good. Customer had no complaint driving home. Two day later, cust... Trouble codes: P0300
2004 Chevrolet Silverado 1500 LS 5.3L Unknown VIN: 2GCEK13TX4
I am asking for help as this truck has a scraping noise that almost like clock work comes on at 50mph. If you put the transfer case in auto mode 4wd and drive it the noise does change when you command it in and out. I have installed a used low mile complete di...
2007 Chevrolet Silverado 1500 LTZ 5.3L MIL Lamp on VIN: 3GCEK13M27
veichle came to another shop with p0420.they changed cat assy. code came back on.I got veichle with p0420 & p0430.cats tested cold.o2's switching/following fronts.checked,tune-up vac.leaks,no exhaust leaks,02's in correct positions.f/press,ok.holds pres... Trouble codes: P0420, P0430
2010 Chevrolet Express 2500 4.8L fuse box VIN: 1GCZGFBA9A
The fuse box is burning out the fuel pump circuit on the printed circuit. When the problem happens, and we have seen it on several of this year and model van, there is power at the fuel pump relay, but not at the fuse. The fuse is never blown, and the fuel pum...
2001 Chrysler 300M 3.5L oil leak VIN: 2C3AE66G51
Good Morning Techs, We have this Chrysler here, we sublet-ed it out for a new torque converter (trans had to be pulled) since it's been back we are getting a bad oil leak from that area. Could the rear main or oil pan be a factor? It really looks like where t...
2006 Dodge Ram 2500 Truck SLT 5.7L Engine VIN: 3D7KR29C66
Vibration. Fierce at idle harmonic balancer not wobbling fan and accerories not vibrating. Gear shifter whole truck vibrating. Accelerate to about 1500 rpms vibration not near as bad. Any input would be appreciated.
1996 Ford E-350 Econoline 7.5L Surge, Cuts out VIN: 1FDKE30C0T
This van will surge at idle and light throttle. I have found a corroded coil tower. Replaced coil and plugs and wires. Also found thermostat stuck open. Have replaced thermostat. The problem is the fuel pulse width will jump from 5 to around 14 for .1 of a sec...
2006 Ford Mustang GT 4.6L Poor Idle Quality
Vehicle has intermittent excessively hi idle during parking manoeuvres. The pids for APP 1, 2, 3 and TP1 TP2 are with in specs according to AD. I can't duplicate complaint at this time. Owner was so upset that they had it towed to shop. Could this be caused by...
1995 GMC C1500 Sierra SL 6.5L No Start, Cuts out, Stall VIN: 1GTEC14P8S
Vehicle runs strong between failures. After restoring fuel pump operation (new oil pressure switch), now restarting after stall is immediate. Sometimes it runs 30 minutes+ with no failures. Monitored power to FSD during stall and circuit maintained 12.7V. All ... Trouble codes: DTC, 35 (history code after clearing codes has not reset after multiple stall), DTC, 33 (MAP high. Has reset once since initial code clearing), DTC, 32 (EGR System problem. Code re-appeared once since clearing), DTC, 65 (Accellerator pedalposition. Historical code. Has not re-occured)
2005 GMC Envoy SLE 4.2L Rear axle VIN: 1GKCT18X25
Good day poeple. I have this 05 Jimmy with a vibration starting at 100 KPH then just keeps getting worse as speed increases. I have an EVA (electronic vibration anyalses machine) which indicates a first order tire vibration. This tells me that the vibration is...
2007 Hyundai Sonata GLS 2.4L Mechanical VIN: 5NPET46C07
We just got this car from the auction not running had a bad battery and alternator. But now when running it makes a knocking noise and is setting a code p0011 timing over advanced. Checked oil control valve tested ok not stuck and open and closes ok. Noise sea...
2002 Jeep Wrangler Sport 4.0L engine electric cooling fan VIN: 1J4FA49S22
came in with the top blown off the radiator. new thermostat. checks negative for blown headgasket. electric cooling fan does not come on when the engine gets hot . fan does come on when you turn the ac on. fan relay is mounted on passenger side fenderwell. bou...
2003 Lexus GX470 4.7L Ride control VIN: JTJBT20X63
Vehicle came in for a rough ride noticed suspension was down tried adjusting pulled codes starting researching we have called identifix 6 times no power from ecu to relay or air compressor we can power up compressor but vehicle still doesn't respond cleared co...
2003 Lincoln Navigator 5.4L accessory Delay VIN: 5LMFU28R93
vehicle towed in main 175 amp fuses blown. No power to air suspension relay. customer said he had to replace fuses in fuse box. All blew at the same time he said. They haven't blew since. Starts and runs. ohmed wire from fuse to air suspension and wire must be...
2007 Mercedes-Benz ML350 3.5L No Start VIN: 4JGBB86E37
Hello to all, got a great customer who came in with their Mercedes ML350. Randomly it will not start. We have reproduce the problem in the shop. There are no codes and there is no power at the plug for the pumps. We have looked at the bulletin/topic issue LI54...
2007 Mercedes-Benz E350 3.5L Steering Angle Sensor VIN: WDBUF56X47
Trying to recalibrate the steering angle sensor in a Mercedes 211.056 E350. We replaced front control arms (traction struts) after we found the bushings in bad shape. The steering wheel was off center to the left before the work and during the alignment we fou...
1998 Nissan Altima SE 2.4L Poor Idle Quality, Misfire, MIL Lamp on
Ok this car is driving me nuts I have tested spark competition fuel pressure injector pluses with light all good went as far as swapping plugs wires injectors and the same thing over and over #2 cyl miss fire I removed egr valve look for carbon build up looks ...
2006 Nissan Frontier XE 2.5L throttlebody VIN: 1N6BD06T66
I had a 2006 Frontier come in for a routine tuneup and throotle body cleaning, and when we finished, the idle started surging up and down between 1200 and 2000 rpms. We have done accelerator relearn and thottle relearn about 5 times, with no change in idle qua...
2007 Pontiac G6 GT 3.5L No Spark VIN: 1G2ZH58N87
I have no spark and intermittently a very weak spark on this vehicle. At the 6 pin ign coil I have battery + from a fused ign switch and a good ground. I even ran a redundant ground to eliminate a common ground failure listed on identifix. I have no "low refer...
1988 Rolls Royce Corniche II 6.7L blower motor VIN: SCAZD02A6J
The a/c system seems to operate normal for about 20 minutes, then the blower stops working and the a/c compressor starts to cycle on/off for about 8 to 10 seconds then stops cycling. After about 5 minutes, the compressor will start the cycling for about 8 to 1...
1997 Saab 900 SE Turbo 2.0L No Start VIN: YS3D558NXV
My Monday Saab Story starts with the customer towing in this car because he says the other day while he was driving 105MPH he floored it to pass somebody and it popped and died on him and would not restart. Checked and found Good spark from the DI Cassette on ...
1985 Toyota Pickup SR5 2.4L Poor Idle Quality, Hesitation, Cuts out, Misfire VIN: JT4RN66SXF
I really needs some help on this truck that Customer just purchased and don't know anything about it, when first came was running rough and misfire from clogged injectors and dirty fuel tank, I did replace injectors, fuel regulator, clean up tank and fuel line...
2003 Volkswagen Golf GTI 1.8T 1.8L y connector by coolant tank VIN: 9BWDE61J93
This vehicle has been blowing the plastic y connector that attaches the coolant tank to the motor. When the vehicle first came in the large cooling fan was seized and the cap would hold 25 psi. We replaced the fan, cap, y connector and the fan switch in the ra...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2007 BMW 328xi 3.0L MIL Lamp on VIN: WBAVC93557
Hey guys thanks for the responses. I went through and verified powers and grounds to the DME again and re-checked all my inputs to the DME from the throttle. I removed the DME and sent it to BBA to be fixed if possible. they had the DME for about a week before... Trouble codes: 2D07, 2D09, 2CFA, 2CFB.
2008 BMW 528i 3.0L cooling fan VIN: WBANU53568
checked the signal from the dme found a good square wave customer supplied his own fan installed the fan system has no leaks and fan works thanks for the info from everyone thanks
1997 Cadillac DeVille 4.6L Body Control Module VIN: 1G6KD52Y7V
Unplugged all components on comfort fuse. Unplugged IPC, still BCM staying on. Borrowed a Tech 2 and checked all doors. Never did find the cause of the BCM not powering down. Thanks for all the help.
2004 Cadillac CTS 3.6L security VIN: 1G6DM57764
Thank you everyone for your help, I got the key to relearn with the 30 minute relearn procedure and car is working properly now. Once again thanks to all that replied.
1989 Chevrolet R1500 Suburban Scottsdale 5.7L Engine VIN: 1GCER16K9K
Hey guys thanks for all the great advice. My best tech got back from vacation this morning and had it figured out in a couple of hours. While the egine in a power brake, shot the injectors with a timing light and noticed that the right injector would stop spr...
2002 Chevrolet S10 4.3L Mode door VIN: 1GCCS19W22
Hey guys,thank you all for your help,even though none of them was the right answer,I still thank you all for trying to help me!I removed the heater box & upon careful inspection I found that the foam insulation on one side of the mixer door was missing.I keep ...
2003 Chevrolet C6500 Kodiak C6C042 7.2L Lighting VIN: 1GBJ6E1CX3
I am always a little hesitant to click "Yes, I fixed this vehicle" when the problem was intermittent. With the help of all of you, and particularly the information Mike from the HD forum sent us, we were able to locate, and repair several bad grounds inside a ...
2004 Chevrolet Silverado 1500 4.8L Ipc VIN: 2GCEC19VX4
Thanks all for the information. Got another IPC in with the correct hours but they missed adding the trip B. SO I talked to the parts guy again, he called the people that rebuilt and program these things and they said a tech2 could activate the trip B. I got i...
2004 Chevrolet Express 2500 4.8L No Start VIN: 1GCGG25V44
Thanks to all that replied I got in today the van would not start no communication with abs and dash lights flashing I rechecked the grounds the ground strap on the lower right side of the engine to frame the connections looked clean but when I pulled on the s... Trouble codes: U1016.
2002 Chrysler Town & Country (Van) LXi 3.3L Lift Gate VIN: 2C4GP543X2
Found the rear hatch module was burned up replaced module and door works normal . i found the problem when i was checking wiring from module to door latch when i removed the inside panel it smelled like burnt wiring . i removed the end cap from module and foun...
1988 Ford F-350 Custom 7.5L Stall VIN: 2FTJW35G2J
The current status is that whatever the customer experienced it has not happened to us while we have the vehicle. We did find and fix a problem with the fuel delivery/lift pump in the rear tank previously. we double checked all our work and it was good. ei...
2001 Ford Explorer XLT 4.0L MIL Lamp on VIN: 1FMZU73E61
Thanks for all the help. After all this, we still couldn't figure it out. Through all this, we noticed the intake runners were coked up with carbon. We ran some intake cleaner through it, cleared the KAM, and the fuel trims have been normal ever since. Veh... Trouble codes: P0171 (Bank 1 System Lean), P0174 (Bank 2 System Lean).
2002 Ford Escape XLT 3.0L fuel trims VIN: 1FMYU04172
ok so car is fixed and has been shipped. i ended up rplacing 3 fuel injectors on bank 1 and a new denso upstream 02 sensor instead od the bosch sensors that were installed by another shop and retested from there. this brought the fuel trims on bank 1 back to n...
2003 Ford Focus SE 2.0L Stall VIN: 1FAFP34P23
I found out later that the vehicle had an aftermarket remote start system that had quit working recently. I was able to keep the vehicle running by not using the AC. The vehicle would stall as soon as an a/c request was sent even if the a/c relay was not conne...
2005 Ford Escape Limited 3.0L Poor Idle Quality, Hesitation, Stall, Misfire, MIL Lamp on VIN: 1FMYU94195
I guess i am calling this fixed. It has been 1 week now and I have had no problems. I found a used PCM with part # ending in LH (original was LG) and installed it. Replaced all 6 coils with Ford coils. I also ran new signal wiring and power wiring. So far... Trouble codes: P0351 (Ignition Coil A Primary Circuit Fault), P0352 (Ignition Coil B Primary Circuit Fault).
2007 Ford Taurus SEL 3.0L Poor Idle Quality, Hesitation, Cuts out, Misfire, MIL Lamp on VIN: 1FAFP56U07
Okay, Guys Thank you so much! I will remember your advise for the future. The customer took the car to another shop (Impatient...People have no idea how difficult our jobs are).IF I get info on what it was, I will post it...Dang I hate when a request has to en... Trouble codes: P0351.
2002 Jaguar XJR 4.0L No Start, MIL Lamp on VIN: SAJDA15B02
hello group well car is gone...coolant level indicator was stuck down,freed it cured low coolant light...Apparently there is some confusion on codes 1646/1647 on this clear codes and they would come right back...identifix guy told me my scanner wa... Trouble codes: P1646, P1647, P0740, P0753, P0758, P0763.
2004 Land Rover Discovery SE 4.6L Temp Rises VIN: SALTW19454
Thanks for all the replies. We did 2 things, put a laser on the radiator, had as much as 30 degree change from top to bottom. Ithought that was alittle to much. Also did 2 block tests, first one passed, second one failed. I suggested we start with replacin...
2007 Mini Cooper 1.6L engine light VIN: WMWMF33567
i am calling this one fixed. o2 sensor and air mass meter fixed this car. my training and experience says those parts were good. go figure. some times using a mosburg, Remington, or the shot gun of your choice will actually fix a car. i might as well thro...
2006 Nissan Frontier SE 4.0L Hesitation, MIL Lamp on, poor shifting VIN: 1N6AD06U36
Well, Vehicle is still at the shop after installing new ecm. What I did find out is when the airbag module is disconnected, I am able to communicate with the Engine and Transmission Ecm. So will try another airbag module and keep you guys updated. Thanks Trouble codes: U1000.
2002 Pontiac Sunfire GT 2.2L Engine overheating VIN: 1G2JB52442
Hello Friends Thank you all for your great replies. This one is fixed, thanks to all of you for your help.After checking for exhaust in coolant and found none. I removed the spark plugs and checked all the pistons with my video cam, as far as I could tell any...
2004 Pontiac Aztek 3.4L Instrument cluster VIN: 3G7DA03E34
We were getting the wrong clusters. We had the original one rebuilt and all is good. There is no way to reprogram the cluster on this vehicle. And no options in the tech II to change anything. Thanks to all who replied
2006 Smart Fortwo Pulse .8L No Start VIN: WMEAJ00F66
couldnt confirm a fix with this car believe it needs a computer reflash at the dealer because the ecu wil not turn the glow plugs on if the temperature is above 15 degrees celcious. the car is very hard to start until i unplug the coolant temp sensor and it fi...
2010 Suzuki Kizashi SE 2.4L MIL Lamp on VIN: JS2RF9A30A
Well turns out car was in a collision on right front. A chunk of the valve cover was knocked into the timing chain... Chain jumped 2 teeth.. Boss opted to put customer in new car and send this one back to the auction... Thanks for all the help... Trouble codes: P0016.
2009 Toyota Tacoma 2.7L Transmission VIN: 5TEPX42N89
Anthony from Australia has seen this problem before with these Toyota transmissions and has confirmed what I've found out the hard way. If you hear a whine and find NO obvious problem with the bearings, replace the input gear AND the counter (cluster) gearset....
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