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Prev Professional Automotive Repair Technical Discussions for August 6, 2013
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1996 Audi A4 Quattro 2.8L compressor VIN: WAUEA88D2T
Customer brought Audi with complaint of AC not working. System empty, we recharged. Still no power to compressor. It has climate control system, has codes as follows. 00792- AC pressure switch F129, open or short. 01297 Sensor for vent temp footwell contro...
2007 Audi A4 Quattro 2.0L MIL Lamp on VIN: WAUDF78E37
Car has come in from a used car lot who sold it and now has a customer wanting the cel and fuel gauge fixed. Also wanted the gas cap missing warning fixed. I pulled the driver side sender and found it broken at the top. Installed a new one filled car to about ... Trouble codes: P1093, P2177, P2279, P0455
2002 BMW 330i 3.0L monitors not done VIN: WBAEV53472
need to know if sombody can help me with this problem first time that i have this situation please if sombory out there know how to reset this let mi know will apreciate that thanks
2003 BMW X5 3.0i 3.0L Altenator VIN: 5UXFA53523
Hello to all iatn members,hope everyone is doing well,got this bmw x5 that wont charge tried 2 napa altenators which i know on these cars they dont work,so got a altenator from world pack a bosche,still no charge got a used one off a bmw still no charge,put a ...
2006 BMW 750i 4.8L cooling fan VIN: WBAHL83596
need help this bmw will over heat after being driven on freeway then idling temp gets to 230-40 and fan is turning vary slowly.when car started cold fan working properly sit at idle will not overheat until driven then idle. block test negative 3 times no coola...
2004 Cadillac SRX 4.6L Misfire, MIL Lamp on VIN: 1GYEE63A84
Hello Cadillac gurus,I'm helping a buddy at another shop.Seems this SUV will not stop missing on cylinders #1,3,5,and 7.Cylinders 3and 5 are most noticeable.Modis shows miss-fires on 3 and 5 mainly but all the cylinders on RH side are affected.They have swappe...
2003 Chevrolet Suburban 1500 LS 5.3L App-Tps VIN: 3GNFK16Z43
App sensor 1 and 2 are close to being the times up to 5% difference...whats the allowed range
2005 Chevrolet Corvette 6.0L drive shaft VIN: 1G1YY24U05
we have a 2005 corvette auto trans that had a rattling noise from the driveline support area. The customer hears it in the car stopped in drive or park. The prop shaft coupling nut was loose per GM PIP 4466 bulletin. We tightened that and replaced the bearings...
2007 Chevrolet Aveo LT 1.6L No Start VIN: KL1TG56607
Car starts up, runs 5 seconds, then dies. Fuel pressure is normal when cranking, and no codes exist. I tried to examine MAP data, looking for 4.5 volts on data screen with key on, but scanner says 100kpa, obviously european metric data and I don't know if that...
2007 Chevrolet Aveo LS 1.6L Engine oil VIN: KL1TD56617
Installed a used engine into this vehicle and upon start-up noticed a serious oil leak from the rear main seal area. Customer wanted to try an oil additive and drive the car for a week to see if the leak would stop. It did not and the car is back. Pulled trans...
2009 Chevrolet Silverado 1500 WT 4.3L fuel gauge VIN: 1GCEC19X09
getting p0463 code don't know what else to check, i cant find how to check wire from ecm to ipc. one book says ecm sends signal to bcm over serial line other book says its ecm to ipc no bcm. scanner shows 3.4 volts plugged in and 0% level in tank. and i can sw...
2009 Chevrolet Aveo5 LS 1.6L Poor Fuel Economy, MIL Lamp on VIN: KL1TD66E79
Have in our shop this Aveo. This is our parts stores delivery vehicle. They have repeatedly had code P0053, Oxygen Sensor Heater Circuit codes. First time they replaced both oxygen sensors with factory GM parts at the dealership for the code. The code stayed c... Trouble codes: P0053
2011 Chevrolet Traverse LS 3.6L lite VIN: 1GNKVEED6B
the courtesy lites will not come on when doors are opened.have checked for bcm codes and none were found have used scanner to turn lites on and they come on when commanded have checked door ajar switches with scanner all go opened and closed with use of doors,...
2007 Chrysler Town & Country (Van) Touring 3.8L hvac VIN: 2A4GP54L47
Good afternoon Must be having a senior moment, this should be an easy repair, AC not cooling, very low on R134, looked for signs of a leak unable to locate, I am thinking recharge ssytem add some more dye betwwen that and a sniffer maybe something will show u...
2001 Dodge Ram 2500 Truck 5.9L bent push rod VIN: 3B7KF26Z61
Replaced cracked cyl. heads with new heads from machine shop. They transferred parts from old head and replaced 4 exhaust valves. After 2 days truck came back with push rod on #3 cyl. exhaust valve pushed through rocker arm. inspected valve spring, rocker arm,...
2007 Dodge Ram 3500 Truck ST 6.7L Fluid VIN: 3D7MX48A27
Vehicle had a whistle noise and another shop replaced the turbo but that did not fix the problem. After testing concluded particulate filter was plugged so cleaned that and that now test good. Had vehicle under load for some time to diagnose exhaust manifold l...
2008 Dodge Ram 2500 Truck SLT 6.7L 4th Gear VIN: 3D3KS29A18
The transmission will intermittantly get stuck in 4th gear. The only way to get it out of 4th gear is to turn the vehicle off then on again. There are no codes set and when I originally replaced the solenoid pack it was re-programmed. Any help would be really ...
2009 Dodge Grand Caravan SE 3.3L no crank VIN: 2D8HN44E39
this van has no crank---I can jumper the relay 30 and 87 and it cranks fine---I have no power to pin 86 of the starter relay. Our Mitchell system shows it should have bat power. This is obviously not correct. where does the power come from for pin 86? we tried...
2008 Ford E-450 Super Duty 6.0L No Start, Stall VIN: 1FD4E45P18
This is a small bus conversion. I recently replaced a fuel injector and it ran fine for a while, eventually stopping on the road and getting towed back. It wont crank because the PCM isn't grounding the starter relay. When I crank by jumping, it won't start. S... Trouble codes: P0705
2008 Ford F-150 XLT 5.4L left turn signal for trailer VIN: 1FTVX12538
have checked circuit from fuse block to frame connector and frame connector to rear harness connector. vehicle has brand new trailer harness and 4 way combo 7 way connector. all ford parts. yellow wire from fuse bock to trailer connector good. still no power t...
2009 Ford Flex SEL 3.5L cooling fan VIN: 2FMDK52C19
This Ford Flex has a cooling problem that only happens when sitting in traffic. The radiator fan does not come with the A/C or when the engine gets hot. I see a large modual between the fans and the conector to it has power. How do you check that modual to ver...
2006 GMC C5500 Topkick C5U042 6.6L Hesitation, MIL Lamp on VIN: 1GDE5C3256
hello ive been working on this truck for a couple days it will log a p0087 code and go into limp mode after you drive it for a while and it is hot ive replaced the high pressure pump fuel filter checked the vacuam on the fuel system it is about 4 inches of vac... Trouble codes: P0087
2000 Honda CR-V LX 2.0L Cluster VIN: JHLRD2848Y
Customer cmplaint of blowing fuse #25. I have dissconnected everything that Mitchell shows on that circuit according to the power distribution schematic, however, there is an integrated control module also getting power from that fuse as well. I proceeded to d...
2000 Honda Accord EX 3.0L Poor Idle Quality VIN: 1HGCG1654Y
car has an intermittant misfire,stumble at idle when warm,used to have a [...],replaced the injector on that cylinder,since then i have checked the valve adjustment,they are fine,replaced the sparkplugs,moved coils around to different cylinders,problem sti...
2005 Honda Element EX 2.4L No Start VIN: 5J6YH27685
Vehicle came in on the hook. Clutch inoperative. Found the Master Cylinder to be bad, it actually broke one of the bolts off the side of it. After repair customer decided to have the clutch replaced due to it being the original clutch at over 200000 miles. The...
2005 Honda Odyssey EX 3.5L Compressor VIN: 5FNRL38655
Vehicle had the condenser, and radiator, replaced after hitting a deer. Body shop replaced components and mobile A/C service charged system. Three days later compressor is seized and clutch is fried. The same guys look into the issue, they say system had no de...
2003 Infiniti G35 3.5L Surge, MIL Lamp on VIN: JNKCV51E53
Car towed to the shop with P0335, cleared code and test drive. At 18 miles, car surged, bucked and stalled. Set P0335. Towed to shop, started and ran fine. Good square wave on crank sensor. Drove 18 miles and car set P0335 and bucking and jumping. Had Verdict ... Trouble codes: P0335 (Crank sensor error)
2006 Kia Amanti 3.5L Excessive Emissions, Hesitation, Misfire, MIL Lamp on VIN: KNALD12426
I need to find out if there is any one has knowledge of this egr system on this vehicle.I sent this customer to KIA I guess here in Raleigh they employ parts changers at the dealer after all the egr system was replaced the engine runs with misfire egr hooked u... Trouble codes: P0300, P0401
2001 Lexus LX470 4.7L Self Leveling System-Code C1733 VIN: JTJHT00W71
Hi Everyone. Ride Control System "OFF" light blinks continually & system doesn't operate. Scanned & have code C1733 for height control solenoid rear gate (code will not clear, resets immediately). Removed connector to Control Valve Assembly & check for continu...
2006 Mercedes-Benz C230 Sport 2.5L door locks VIN: WDBRF52H26
Have 2006 C230 that will not lock or unlock via remote control. Key works properly in EIS, batteries in key are good, red led flashes when key function is pressed. Door locks work properly on interior button. I have a Tire pressure monitor tool that I tested k...
2001 Mercury Sable GS 3.0L wont pass emissions VIN: 1MEHM55S11
customer brought the car in for us for emissions test and the evap and egr monitors was not set they drove it for another week and still not set. we rest computer and started resting the monitors and still will not reset so the question is what is required ...
1992 Mitsubishi Diamante LS 3.0L Misfire VIN: JA3XC57B4N
This car has a sight misfire more noticable at 1800 to 2500rpm. I have replaced all of the tune up parts no change. Inspected cam and crank sensor and they look normal with no drop outs. Fuel presure is at 40psi and valume is at about half gal pre min. Removed...
1997 Nissan Pathfinder LE 3.3L Excessive Emissions VIN: JN8AR05Y7V
Have attemped to set the monitors and drive cycle this thing a number of times. Cold first thing in the am after noonand at late night only the heater o2will set and nothing else no matter how you drive and idle the truck any help would a help thank you for yo...
2006 Nissan Maxima SL 3.5L MIL Lamp on VIN: 1N4BA41E66
to all nissan techs out there. got this maxima that has p0420 - bank 1 CAT. read most of the fixes talking about PCM update to widen the CAT range logic, i believe it's a tsb. do i do the update or replace the CAT? thanks guys in advance. Trouble codes: P0420 (Cat below effeciency bank 1)
2002 Pontiac Montana 3.4L No Start VIN: 1GMDX03E82
Hi, we're having trouble with an intermittent no-start on this van. I'd appreciate anyone who can offer some insight into this. The customer says that occasionally the motor will not start, and this can happen at any time. It can be with a cold motor or hot, t...
1997 Saab 9000 CSE Turbo 2.3L Fuel Gauge VIN: YS3CF68M0V
Improper reading on fuel gauge when driving, stop car and cycle key reading on fuel gauge in dash changes. I checked resistance on sender unit which was 363 ohms full,also back probed connector at sender when plugged in on signal wire and had 3.45 volts full. ...
2003 Saab 9-3 Linear 2.0L Poor Idle Quality, MIL Lamp on VIN: YS3FB49S53
Mil on with dtc p0546 and p0606. The procedure says to update ecm software using the tech 2. I got security access using the tech2 removed and then re-added the ecm, then tried to go in and update the ecm using the sps service program software function on the ... Trouble codes: P0546 (Exhaust gas temperature sensor circuit open or short), P0606 (T8 control module internal fault)
2009 Subaru Forester X 2.5L key fob VIN: JF2SH9KL59
I have this vehicle dropped off by a panel shop for coding of two new keys. Keys programmed fine, but the remote buttons on the fob (lock/unlock/boot) won't program. The white connectors behind the LH kick panel were connected together and "program mode" initi...
2002 Toyota Avalon XL 3.0L Poor Idle Quality, Hesitation, Misfire VIN: 4T1BF28B22
This car came because it was idling low and rough. It was also having a hard time starting. I replaced the IAC and it fixed the low idle/ hard start problem. It still idles rough and has a misfire on light accel. I checked the compression and did a leak down t...
2001 Volkswagen Cabrio GLX 2.0L No Start VIN: 3VWDC21V21
HELP VW EXPERTS!! This cabrio is driving me crazy. Came in for cranks but no start. No codes. Replaced crank sensor and ign coil with vw parts. Has strong signal from crank sensor to ecm. even ran wires directly to ecm just in case from crank sensor. Replaced ...
2004 Volkswagen Jetta TDI 1.9L rear caliper leak VIN: WVWSR61J44
Help VW TDI experts!Vehicle came in for a leak at the rear calipers,seemed straight forward.Installed reman calipers,didn't let fluid empty from system.Bleed manual method and have great firm pedal with engine off, but slow fade with engine running.Feels just ...
1994 Volvo 940 T 2.3L No Start VIN: YV1JS8709R
no spark no pulse ground at coil
2000 Volvo S70 2.4L Compressor VIN: YV1LS61J1Y
The A/C clutch disengages on a random basis. When engaged A/C runs fine then for no obvious reason the clutch disengages and will not reengage. Turn off the car and restart and A/C runs again. This is an automatic HVAC. The archives talk about a high pressure...
2001 Volvo V70 2.4T 2.4L neutral VIN: YV1SW58D01
This vehicle sets code: 012b Neutral Control. I found a TSB for this, regarding a TCM upgrade. I purchased a 3day sub., and tried to download software to this car. The download fails right after verifacation. I have gone through the list of possible problems t...
2004 Volvo V40 LSE 1.9L MIL Lamp on VIN: YV1VW275X4
These codes come back almost as fast as they are cleared . Sometimes vehicle is not even driven. Does a ECM upgrade take care of this issue. Trouble codes: P0015 (Cam shaft position), ECM60, ECM61

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2002 Buick Rendezvous CX 3.4L instrument VIN: 3G5DB03E72
appologys thought i closed this it was the rear differentail check valve and grease in rear diff thanks for the help
1990 Chevrolet Camaro Iroc-Z 5.0L Engine VIN: 1G1FP23F4L
Should have checked the injectors first, but didn't since it ran. My experience has always been no-starts! Checked the injectors, injector 3 and 5 read low, but 5 was 1.2 ohm, so I replaced that one. Car ran, but ran badly. Checked cylinder 3 while it was ho...
2006 Chevrolet Silverado 2500 HD LT 6.6L Tcm VIN: 1GCHK23D86
Thanks for all the replies.The customer has decided to put the job on hold as he is going out of town to work for six months.I did test all battery & ignition circuits with a head light all passed the test . checked resistance on all data lines less than .05 o...
2007 Chrysler Pacifica 4.0L Speed gauge VIN: 2A8GF48X57
Dan from Texas hit the nail. There is a selection for kilometers and miles per hour. In the bottom corner it will tell you what you have selected. The customer thinks that she hit it wile trying to set the clock and other settings. Thank you all that helped me...
2001 Dodge Ram 3500 Truck 5.9L Hesitation VIN: 1B7MF33761
Thank you for the responses. This beast is fixed. I did this whole repair using Cummins parts using the serial number on the engine. So wrong parts was not a factor. The fix was fuel injectors. I did replace the fuel injection pump with no success. I found tha...
2008 Dodge Grand Caravan SE 3.3L re circulation door acctuator VIN: 1D8HN44H08
Thanks for all the input guys. The information I had (Alldata) stated that the motor calibration used a pulse count to determine open and closed position hence the reason I asked about calibration. However after all your input I discovered the motor uses res...
1998 Ford Explorer Eddie Bauer 4.0L No Start VIN: 1FMZU32E3W
Thanks guys for your imput and quick responce. I know how busy we all are and I appreciate the time members take to help fellow techs. Fuse #19 in the instument panel feeds the diode. That fuse was missing. Installed fuse. Vehicle starts and runs.
2001 Lexus ES300 3.0L MIL Lamp on VIN: JT8BF28G11
Well it appears that the canister fixed this vehicle. At first it seemed that the evap monitor was hard to reset until I performed the steps to the tee. You have to have between 1/4 tank and 3/4 tank of gas. It must have at least an 8 hour cold soak (I th... Trouble codes: P0440, P0442.
2003 Mercedes-Benz S500 4Matic 5.0L Charging VIN: WDBNG84J53
Thanks to all whom offered help on this. From the sound of it, this was a classic case of the cowl drain backing up and flooding the vehicle. The rear sam area was filled with water. Replaced the SAM and several other modules in this area. Took awhile to g...
2005 Nissan Altima S 2.5L compressor VIN: 1N4AL11D55
Thanks for all of your input,and once again greatly appreciated.It turned out to just be a compressor issue after all.I just have never replaced one without there being some sort of noise issue,but this one taught an old dog a new trick as it were.Thanks again...
1998 Pontiac Sunfire GT 2.2L Misfire VIN: 4G2JB3247W
2000 Pontiac Sunfire SE 2.2L head lights/day time running lights VIN: 1G2JB5245Y
Sorry for being late on this closing, was on vacation. We found a brake in the blue wire going to the BCM from the headlight switch. Repaired wire and all was good. Thanks for all your guys help.
2008 Pontiac Grand Prix 3.8L Abs VIN: 2G2WP55248
I want to thank everyone that replied. Dan and Michael were right on with their replies about the IPC(instrument panel cluster)being the problem. I went to TIS2 Web and was going to reprogram the IPC but using Legacy pass thur there was no option only PCM,Onst...
2002 Saab 9-5 Linear 2.3L No Start VIN: YS3EB49E52
Thanks to everyone who responded. Got this one fixed. I got some more info from customer and come to find out it was at another shop and had the oil pressure switch replaced. Nothing to do with the problem at hand but the harness started to ark off the starter...
2004 Toyota Camry XLE 2.4L Mechanical VIN: 4T1BE32K84
Well, finally got this one back together. The machine shop took forever to return the head. They checked it all out again and said that they could find nothing. But, upon inspection we could see that one of the cam followers had been replaced with a new one. (...
2010 Toyota 4Runner SR5 4.0L MIL Lamp on VIN: JTEZU5JRXA
Thanks to all for your quick responses!! Dealer replaced cat. under 8/80 warranty. Just did not realize how sensitive these cats are...Again thanks to all who responded!! Trouble codes: P0430 (Catalyst efficiency low Bank 2).
2005 Volkswagen Jetta 2.5 2.5L Surge, Cuts out, Misfire, MIL Lamp on VIN: 3VWSF71K05
Sent vehicle to European specialist, said timing chain out of sync. Thanks guys. Trouble codes: P2279 (Induction air leak), P0300, 30030.
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