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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for December 11, 2014
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Open Help Requests for All Makes and Models
Help Request Answers
2007 BMW 550i 4.8L Unknown VIN: WBANB53587
BMW Tech, please help. Car came in with complaint jerking during downshift from 3rd [...] 2nd gears. Road test, verify complaint. Install scanner, no dtc in EGS control module. Transmission fluid is low due [...] leak from pan & harness adapter. Replace adapter, pan...
1988 Chevrolet S10 2.8L No Start, Poor Idle Quality VIN: 1GCCT14R3J
Well I am out of ideas and I need some input. Any help would be great. Customer had truck towed in because it wouldn't start in the morning. It had been missing when it is damp out and he had a cap and rotor. I installed cap and rotor. Still wouldn't start, ha...
2002 Chevrolet Trailblazer LS 4.2L Mode controls VIN: 1GNDT13S32
Have this trailblazer here with dual auto hvac that wont put heat on the floor. There are no DTC's and the temp sensors data looks good. Defrost actuator counts stay high and won't move when commanded. The published info from alldata leads to another HVAC c...
2003 Chevrolet Trailblazer LTZ 4.2L Stall VIN: 1GNDS13S13
Vehicle came in with engine dies with front defrost on. Checked a/c pressures, lo 30 psi, high 150 psi. Compressor not drawing voltage down. Cleaned throttle plate, for it was extremely dirty. Customer took vehicle, was happy how much smoother it idled. But, h...
2006 Chevrolet HHR LS 2.2L Poor Idle Quality, Surge, Stall, Misfire, MIL Lamp on VIN: 3GNDA13D96
Hello, I'm pulling out whats left of my hair over this one. Customer complained of stalling when his foot is lifted to apply the brakes and will barely idle at a stop and stalling when applying the gas to pull out from a stop. I did a preliminary computer test... Trouble codes: 0300 (Engine miss fire)
1994 Dodge Ram 1500 5.2L Delay/Park VIN: 1B7HC16Y8R
W/Wipers run on low and high speed but will stay on low speed when switch is in delay or off position. As best as I can determine the problem is in the delay module. Problem is the module is no longer available. What I'm looking for is some advise on how to wi...
2001 Dodge Intrepid R/T 2.7L No Start
I just replaced the timing chain and water pump in this and it wouldn't start. I checked compression, it looked good, checked spark on passenger side and there was none. On driver side bank it had excessive spark, like firing at triple time. I realized then th...
2004 Dodge Ram 2500 ST 5.9L cruse control VIN: 3D7KU28C04
cruse works all functions work, drive for maybe 3 miles shuts off like steped on brake. all voltages show on scanner from switches. light on dash still on brake input there like should be will not reset until truck shut off for awhile then works for sme distan...
2006 Dodge Durango SXT 4.7L programming VIN: 1D4HD38N66
I am trying to program a new remote for my customer, and using the autel maxidas, it is asking for a pin number, in order to access that function. Are there any dealer guys that can help me out? vin [...]
1997 Ford F-250 XL 7.3L No Start, Poor Idle Quality, Cuts out, Stall VIN: 1FTHX26F7V
I fix lots of powerstrokes and am very familiar with how the high pressure oil fuel injection system and related electrical works - so feel free to be specific and technical with abbreviations and such. The truck was brought in for stalling and rough running c...
2001 Ford Ranger Edge 4.0L engine VIN: 1FTZR15E31
After a month of driving the customer returns with a hole in the right side valve cover. We used carquest timing kit. He said he heard no noise and the engine runs fine.
2004 Ford F-350 Super Duty Lariat 6.0L Drive-axles VIN: 1FTSX31P04
Hi, this truck has a low speed 10-30mph growl noise in front. Only in 4wd with hubs locked, (in 2wd no noise) on slight turning and slight acceleration you hear an additional rotational thumping noise...than as you drive a growl noise. low speed lugging brings...
2005 Ford Freestyle SEL 3.0L Transmission Noise VIN: 1FMZK02165
Have a 2005 Freestyle with CVT transmission in shop with a noise inside the transmission. It sounds like a much muted gears grinding noise. I read on IATN of the input shaft breaking, but this one will apply drive through the axles. The engine will barely idl...
2008 Ford F-450 Super Duty XL 6.4L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FDXW47RX8
Alright ford diesel techs bear with me new to diesel world. Vehicle brought in on truck. Complaint is excessive smoke and misfiring. Quick visual inspection showed that crankcase was overfull and looks like fuel is getting mixed in the oil. Used scan tool and... Trouble codes: P006B, P0234 (Turbocharged engine overboost condition), P0684 (Glow plug control module to pcm), P2452 (Dpf pressure sensor circuit a), P0266 (Cylinder 2 contribution/ balance fault), P0302 (Cylinder 2 misfire detected)
2009 Ford E-450 Super Duty 6.8L Poor Idle Quality, Hesitation VIN: 1FDXE45S69
I have very rough idle & low power when cold. runs ok when warmed up. Code p06b8 is set as a hard code, scan data shows LTFT & STFT at 0% at all times. I have re-flashed the CNG program to the pcm with no improvement, I.m leaning toward the PCM. any help with ... Trouble codes: P06B8
2011 Ford F-150 XL 5.0L Actuator VIN: 1FTFW1EF8B
The customer complaint was originally air diversion was stuck on dash outlets. Through testing, my tech found a faulty mode actuator and replaced it. The HVAC module wouldn't perform an initialization sweep so we also replaced the module as well. Now we can cy...
2000 Jeep Grand Cherokee Laredo 4.0L Battery VIN: 1J4GW48S0Y
Hi: I am hoping someone has run into this before. Car was driven to me after jump start. Battery continues to discharge when sitting. Battery and alternator tests good. I disconnected alternator and draw still present. Draws full battery voltage (12.77). Ammet...
2006 Jeep Commander Limited 5.7L Misfire, MIL Lamp on VIN: 1J8HG58266
Vehicle has intermittent miss on #2 bank - cyl 2,4,6,8. Has code p0155 heater performance b2s1. O2 was replaced w/oem part, code still there. Swapped o2 with b1s1. Still have same code. Heater reads 99% all the time with no change. If I disconnect the sensor t... Trouble codes: P0155
2004 Land Rover Discovery SE 4.6L feul pump VIN: SALTW19414
hi everyone need some help on this one not very familiar with this vehicle and was hoping to get some ideas going,..this truck cranks but wont start and all this happened after the truck sat for 2 months and the battery went dead. I don't think its in alarm mo...
2003 Mazda 6 S 3.0L No Start VIN: 1YVFP80U93
Greatings i bought this mazda for my self. It was brought in for a no start. After the vhehicle cools down it will start and run but runs rough and lacks power. As it warms up it looses power to the point it will stall and not restart. It also has a very loud ... Trouble codes: P0022 (cmp timing over retard lh)
2003 Mercedes-Benz C320 3.2L no shift VIN: WDBRF64J83
My question is does anyone know if the valve body has to come out to r&r conductor plate.If it does is it a terrible job.I am not a trans shop but I don't mind doing this if I am not going to get in over my head. Thanks
2003 Mercury Mountaineer 4.6L Stall VIN: 4M2DU86W43
Hello fellow techs I have a weird problem that is kicking my butt.The customer had a stalling problem at stops so he replaced the iac valve.That appeared to fix the problem for about a month.At that point a new symptom surfaced.When driving the vehicle above 1...
2007 Nissan Quest SL 3.5L 1st and 2nd gears VIN: 5N1BV28U37
There was a noise in the transmission when moving slowly. We checked with a stethoscope while driving on the lift and heard the noise coming from the differential area. We removed the transmission and found that the differential assembly was very rough. The be...
2002 Pontiac Sunfire SE 2.2L Cluster VIN: 1G2JB52442
Customer comes in for the cluster acting erratic or inop at time, says sometimes the speedo will stop working and the odometer will say error. We had the cluster sent out and rebuilt. Customer called the other day said it was doing the same thing problem is it...
2007 Pontiac Grand Prix GT 3.8L Front Crank Seal VIN: 2G2WR55477
This front crank seal goes from zero leak at idle to steady running out starting at 2-3000 rpm. Have tried 2 different national brand seals. Tried one installed flush on installed about 1/8" recessed. Tried wear sleeve on ba lancer. Tried new ac-delco ba lance...
2007 Toyota Prius Touring 1.5L Heating VIN: JTDKB20U57
Poor heat intermittent. Coolant level full. Vehicle has warm air for the first ten minutes of running, only at stops when gas engine shuts off. Driving down the road has good heat from mechanical water pump. When vehicle acts up I have one heater core hose hot...
2009 Volkswagen Routan SEL 4.0L All shifts VIN: 2V8HW64X49
Upon disassembly of trans, the 2-4 clutches were burnt and compounder shaft was worn. We performed overhaul, replaced compounder, and solenoid body(for CYA measure). Installed trans, and acts the EXACT same as before. Slippage in drive and reverse. Trans quick...
2010 Volkswagen Touareg TDI 3.0L MIL Lamp on VIN: WVGFK7A95A
Looking for some insight and any diagnostic information you can provide. We are an auto/diesel shop but see very few VW with this engine. customers only complaint is that the check engine light on. Thanks for your help Trouble codes: P202B, P310E, 12558 (bypass valve for egr cooler), 08235 (control circuit for redundant tank heater)

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2007 BMW 328i 3.0L Disa VIN: WBAVC535X7
Thanks to all who replied . Well An important lesson was revisited and that is while working on high tech cars using high tech equipment you might tend to overlook the basic minor things such as in this case, completely WORN out (plattinum) spark plugs!... "Wh...
2011 BMW X5 xDrive35i 3.0L I Drive Inop. VIN: 5UXZV4C51B
Checked the power,ground & CAN wires to CON module(I drive knob) everything was ok,but no communication to CON, we replaced the CON Module, Coded it & everything is working normally. Thanks to everyone for the help.
2003 Cadillac Seville STS 4.6L MIL Lamp on VIN: 1G6KY54963
Special thanks to Roy, Jason and Russell. They hit the problem dead on. The cause of the concern was the serpentine belt. I removed the belt and the misfires stopped. A new belt was installed, the car was retested and no misfires were counted. I did notice tha... Trouble codes: P0300 (Random cylinder misfire).
2006 Cadillac CTS 3.6L Fuel Pump control circuit VIN: 1G6DP57706
I obviously misread the procedure, mistaking the FP ground instead of the FP relay ground. I connected my test light to ground ground, while cycling the key, and observed a brightly lit light every time. I then visually checked G401 and found no issues. I clea...
2001 Chevrolet Silverado 2500 HD 6.6L Poor Idle Quality, Surge, MIL Lamp on VIN: 1GCHK29141
most replied said to replace high pressure pump. customer elected to trade in the truck Trouble codes: P0089.
2005 Chrysler Town & Country Touring 3.8L No Start, Cuts out, Stall VIN: 2C8GP54L65
The PCM replacement is complete. New PCM's were on indefinite backorder and they cost $600. We ended up buying a preprogrammed remanned unit on the internet. It was $200, lifetime warranty. We plugged it in, the vehicle started right up-no codes. No VIN enter...
2000 Dodge Grand Caravan 3.0L rack and pinion VIN: 2B4GP2434Y
needs tires, found that one of the new tires and one of the older tires have separated and need replaced
2014 Dodge Challenger SRT8 6.4L MIL Lamp on, No crank VIN: 2C3CDYCJ4E
Thanks for everyone who tried to help me with this car. Finally, we did change another laptop and run the program again it went through. I am using the J2534 CAR-DAQ M program. Thanks again. Trouble codes: P1602 (No crankno start and new pcm been replace).
2005 Ford F-150 FX4 5.4L No Start VIN: 1FTPX14575
sometimes I don't understand things. I scope the crank sensor it looked good. just to make sure I scope another fi50. same year. pattern looked same on both trucks. so just for the hell of it. I threw a new crank sensor in it. already had a new one. it started... Trouble codes: P1288.
2008 Ford F-350 Super Duty XL 6.4L Turbo/Exhaust VIN: 1FTWW31R78
Found back 2 bolts drivers side exhaust manifold broken causing noise.
2011 GMC Acadia Denali 3.6L passenger and auxaliary heater VIN: 1GKKVTED8B
I used every 'trick in the book' to purge the air out of the rear heater. Finally I made sure the system was completely full and put the radiator cap on while the engine was running. After about a half hour the rear finally started throwing heat. The passenger...
2004 Land Rover Range Rover HSE 4.4L Poor Idle Quality, Surge, Stall VIN: SALME11434
Hello techs . First I wanna thanks techs who take time to help me . WE cleared all fault codes & adaptions then perform the relearn . it took several times to get rid of Vanos & Cam fault codes , it takes shorter time to start engine now but the engine idle i... Trouble codes: P0012, P0022, P1638.
1999 Lexus RX300 3.0L None VIN: JT6HF10UXX
Thanks everyone for your suggestions. It has been to warm lately for it to act up. I had the car for 2 days but it was in the 30s, not a peep. When winter returns to Minnesota I will give your suggestions a shot. As always thank you all for your help.
2001 Lincoln Town Car Cartier 4.6L speedo VIN: 1LNHM83W31
Many thanks to the techs that replied.I checked the abs mod and all wiring,test drove car with scan tool and had good vss signal.Called owner to get okat to send dash out for repairs
2000 Nissan Frontier SE 3.3L Unknown VIN: 1N6ED26Y1Y
Kenneth you gave the best advice of all. Sometimes frustration can make you overlook something. I overlooked the fact that rpm does not come from the crank sensor on these motors. In fact it comes from the distributor and that it wasn't moving. Checked the tim...
2006 Nissan Maxima SL 3.5L no start no spark no injector pulse VIN: 1N4BA41E06
Here is the conclusion on this car. replaced ecu and coded to vehicle so i had communication all the time to nat/eng computer. Reset the nat system using 4 digit pin i got from locksmith after giving them the 5 digit pin i grabbed out of the nat system. Key ...
1991 Oldsmobile 98 Regency Elite 3.8L Battery Draw VIN: 1G3CW53L2M
OK, so as stated earlier, the cam sensor magnet was missing. Removing the timing chain cover turned out to be difficult. This model has a crank pulley and a separate balancer with an offset weight and shutter wheels for the crank sensor that required a puller ...
1991 Toyota Land Cruiser 4.0L Cam gear VIN: JT3FJ80W0M
Lots of good help. This is a meat and potato's repair here, no complicated electronics!! The cam gear is on and 'Yes' It can be done without cam removal. #1 We removed the plastic part of the cam gear. #2 used a puller to remove hub #3 ,Yes, fuel pump access ...
2013 Volkswagen Passat TDI SE 2.0L heater VIN: 1VWBN7A36D
Thank you all! I have not actually had the car back in to fix it but I removed the auxiliary heater and can see that the blend doors are operating normally and don't seem to be damaged in any way. I took temperature readings from in front of the heater core an...
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