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Prev Professional Automotive Repair Technical Discussions for July 31, 2013
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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1994 BMW 740i 4.0L chargelight VIN: WBAGF21090
Ladies and Gentlemen, I present to you this Swiss-spec, gray market BMW 730i .I apologize for the incorrect model in the heading, but the system here at iATN does not list the correct model, as it was not available in the USA. The customer complaint is that a...
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2003 BMW 745Li 4.4L Collision Repair VIN: WBAGN63433
Inspected battery safety terminal, buckles and air bags (non deployed) scanned SGM-ZGM no codes SIM had codes 93DF/93D0/93CD with other unreadable codes. All codes cleared but0,16,94,87 code. Called launch and they said it was a "factory" code and had no refer...
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2005 BMW X5 3.0i 3.0L left headlight low/high beam VIN: 5UXFA13565
Left side xenon low/high beam bulb will not ignite with switch but can activate with autologic. This is the second x5 from same year and options in a month with the same problem. first one did all that is previously mentioned with no fix and no option but subl...
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2003 Cadillac Escalade 6.0L Hydroboost VIN: 1GYEK63N43
I have this Escalade with hydroboost power assist, with RPO JL4 active brake control. The complaint is the pedal is soft and goes to floor. Vehicle stops fine and brakes check out okay. No abs light, but I do have a code in history - C0279 for pre-charge pump ...
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2004 Chevrolet Tahoe LS 5.3L Rear Seat Audio And Hvac Controller VIN: 1GNEK13Z24
The rear hvac control module will not stay on. When it comes on it will display off and then display will go out.the radio part of the controller works fine.our scan tool sees the rear hvac module data when i press the rear temp switch or mode select. Unplugge...
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2005 Chevrolet Tahoe LS 5.3L center vents VIN: 1GNEC13TX5
Hi guys, need some help from chevy gurus out there. This Tahoe won't blow air through center vents. It's stuck on side vents and that's what shows on the climate control panel; meaning the side arrows are always on and then it will switch through other modes b...
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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...
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2008 Chevrolet Express 3500 6.6L Fuse #44 underhood fuse block. VIN: 1GBJG31668
Bus came to me with complaint of no shifting, brake warning lights on, and gear indicator light out. Found fuse #44 in underhood fuse block blown. Fuse is B+ supply for TCM and nothing else as far as I can gather from GM schematic. Replace fuse, go for a ride....
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2001 Chrysler Concorde LX 3.2L Unknown VIN: 2C3HD36J71
I don't know if this was like this when it came in i was basicly changing parts. The low side goes right to vacuum when you enguage the compressor. The compressor doesn't cycle but the presures don,t change, what am i doing wrong?
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2003 Chrysler PT Cruiser 2.4L MIL Lamp on
long story shortened, code 344 never sleeps. No scope to offer waveforms,snap on pro forgot to include cam signal,just says cmp sync no,ckp sync yes, but my questions start with voltages, gettting mixed info on cam signal wire, should it have 5 volts disconnec... Trouble codes: P0344
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2006 Chrysler 300 (Car) 2.7L cabin temp to high VIN: 2C3KA43R76
Thanks in advance for any help. This Chrysler will not cool down. We flushed out the evaporator two expansion valves. removed blend air door actuator and closed door by hand made no diffrence. blocked the heater core hose. custome said he heard a pop noise ac ...
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1994 Dodge Dakota 5.2L compressor VIN: 1B7GL23Y2R
customer came in with not blowing cold complaint found system low on Freon after recharge compressor not pumping we replaced compressor drier condenser and orifice after repair system blows 48-50 degrees customer came back in 2 days later and compressor would ...
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2003 Dodge Ram 3500 Truck 5.9L Hesitation VIN: 3D7LU38663
Guys, I dont't mind a tough diag, but I'm getting owned here. When applying the thottle sometimes, driving or in park, you get no throttle response for up to about 2 seconds, then throttle is there. I've all ready replaced the apps and ecm. I've watched the da...
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2007 Dodge Sprinter 2500 3.0L Fill VIN: WD0PE74557
We installed a Mopar trans and have talked with Dealer tech - need to know if he was correct (he says 3 qts)... These units come with some fluid in them - we flushed cooler and have install new unit we have purchased the correct fluid and now have borrowed the...
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2007 Dodge Ram 3500 Truck ST 6.7L shifting VIN: 3D7MX48A87
unfortunately, we lost the code list from initial check! [sorry]- it had a code for LINE PRESSURE HIGH, and LINE PRESSURE LOW, along with TRANS OVERTEMP, and GEAR RATIO ERROR- [forget which gears] 3-4? Customer decided to take a chance by replacing the Solenoi...
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2002 Ford Focus SE 2.0L Charging VIN: 1FAFP34322
Customer brought vehicle in for motor mounts to be replaced . My tech replaced both mounts Right front Fluid filled mount below coolant reservoir & upper tranny mount. Customer picks up vehicle drives for 1 hour and calls that his vehicle died and wont restart...
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2004 Ford F-250 Super Duty King Ranch 6.8L Suspension VIN: 1FTNW21S24
Hello everyone, I have a stumper here. The truck came in for new ball joints tire rotation and a steering dampner. The job went great, torqued the BJ's per the TSB checked the axle shaft joints, they are good, put her back together and sent the truck out. Cust...
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2005 Ford Focus ZX3 2.0L Clutch VIN: 3FAFP31N45
I replaced the clutch and slave and shipped the car it was working great. a week later car came back grinding going in gear. Customer indicated not all the time only some times. checked and the master is leaking witch is under the dash. so i replaced the maste...
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2010 Ford F-150 FX4 5.4L Steering VIN: 1FTFW1EV8A
My personal truck-has developed a popping noise when turning the steering wheel-have found that I can replicate the noise by grabbing the wheel at 12 and 6 o'clock and rocking it slightly-wondered if any ford techs have seen this before I do exploratory surger...
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2004 GMC Sierra 1500 SLE 4.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GTEC14V64
misfire on 2 5 7 8 installed new plug and wires and intake gaskets now mis on 5 7 checked throttle and was at 14% should be at 5.5% changed throttle now 5.5% still mis on 2 7 need help Trouble codes: P0300
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2001 Honda CR-V EX 2.0L coolant temp VIN: JHLRD18661
please all honda gurus, we are making a premier client hate our guts. This honda worked fine before we worked on it. After head gasket job, with machine shop work and water pump and t-stat and timing belt replacement. You can not drive this car without it over...
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2002 Isuzu Axiom 3.5L chatter VIN: 4S2CE58X32
ok guys here is one that has us stumped we rebuilt this trans twice and put a reman trans in it and the problem is on take off it chatters due to line pressure droping I am at a lost to were to go next have replace the pcm with a good used pcm also had check a...
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2000 Lincoln LS 3.9L engine VIN: 1LNHM87A8Y
hello all-removing the motor-alldata says take with transmission and "cooling system" on a powertrain hoist. can i just pull motor out thru the top- and leave the trans behind. this looks like a time consuming nightmare.
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2004 Mazda 6 i 2.3L No Start, Stall, MIL Lamp on VIN: 1YVFP80C94
Hello everyone! A Guy Run this car in a ditch and now it has a no start with a p0340 code. Found out the oil filter cap was busted and oil drained out. Got that fixed now. Then everyone said check timing because of low oil issue, but found the timing was okay.... Trouble codes: P0340 (Cam Position Sensor Circuit Malfunction)
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2007 Mazda 3 S 2.3L brake pedal VIN: JM1BK12417
car came in with a pedal that would go to the floor, replaced master cylinder flushed brake system pedal was fine. customer took car and two days later it came back with the same symtoms bled brakes again pedal came back test drove then pedal started to get so...
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2001 Mercury Sable GS 3.0L blend door VIN: 1MEHM55S11
hellow Our shop has had this car in a few time for temp blend problems. I see alot of fixes for blend door acuators and the control heads. both of these have already been replaced, one here and another at another shop. It dose not have any codes and seems to h...
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2005 Nissan Altima S 2.5L compressor VIN: 1N4AL11D55
Vehicle came in with AC not blowing cold.Checked for pressure in system and was low on charge(compressor not engaging).Performed leak check and found o-rings at compressor leaking(hi and low pressure lines).Replace o-rings,evac&recharge system,added refrigeran...
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1988 Plymouth Reliant America 2.2L No Start, Stall VIN: 1P3BP46D7J
Car came in with a no start. It cranks, but will not officially kick over. My tech diagnosed it as a bad fuel due to lack of pressure. He changed the pump, then the fuel filter, and the problem remains. He then noticed the fuel was not spitting out correctly f...
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2009 Smart Fortwo Brabus 1.0L clutch acuator VIN: WMEEJ31X99
I am suffering from lack of information in the USA about Smart cars in general. This jewel came in with no start, no starter. We worked out that the CLUTCH ACTUATOR MOTOR shaft had sheared. We installed a new clutch actuator assembly, and test drove the car se...
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2002 Toyota Camry SE 2.4L power steering fluid VIN: 4T1BE30KX2
Vehicle was brought in from another shop stating the power steering cap was melting, they had replace the power steering pump twice, upon inspection i found the resivoir screen at the bottom clogged, replaced the resivoir, bled system, whine is gone and has po...
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2003 Toyota Corolla CE 1.8L Air bag light VIN: 2T1BR38E43
Customer took to dealer cause they got a letter about a recall for something but they could not remember what. Turns out nothing for airbag system. Dealer diagnosed as a drivers seat belt. Customer is fleet account so they ordered a seat belt on there account ...
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2005 Volkswagen Jetta 2.5 2.5L Surge, Cuts out, Misfire, MIL Lamp on VIN: 3VWSF71K05
This car came into the shop with a cam sensor code and a high draw fan code. Scoped the Cam sensor with Snap-on Verdict and got an irregular wave. Replaced the Cam sensor, cust declined fan. Test drove car drove fine. Came back about a week later running rough... Trouble codes: P2279 (Induction air leak), P0300, 30030
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2008 Volkswagen Rabbit (Car) S 2.5L Oil pressure VIN: WVWBB71K98
After customer tells me the cars started having problems after the gas station oil change I tell her we need to start by changing the oil with the correct VW approved oil/filter and see what problems return if any. Engine had slight lifter noise, red oil press...
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1995 Volvo 850 T-5R 2.3L oil VIN: YV1LW5810S
There is oil coming from upper side of rear of engine near to camshaft pulley corner. Please see pictures links. /edit?usp=sharing /edit?u...
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1996 Volvo 850 2.4L ABS warning lights VIN: YV1LW5542T
I got a hard code 312 for Rt/front wheel speed sensor fault (after Dr Import ABS controller installed). I replaced sensor and the fault resets. Rears (on one pigtail) and L/Fr sensors have previously been replaced w/Ate sensors. Power leads (red & black) to co...
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2004 Volvo S80 2.9 2.9L brake pedal VIN: YV1TS92DX4
Help Volvo techs! This car was purchased by an unsuspecting woman at a used car lot and is in bad shape. as you start to slow to a stop the brake pedal drops about half way to the floor. In the absence of any other ABS complaint or symptom we installed a new m...
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Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2002 Audi A8 Quattro L 4.2L No Start VIN: WAUML44D92
I removed the fuel pump and removed all of the suctions jets from the tanks. I could not see anything visually wrong with them. We decided to replace the tank with a new tank from Audi. This fixed the problem and the car is running good now.
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2000 Cadillac Eldorado ESC 4.6L Misfire VIN: 1G6EL12Y0Y
Finally finished. Although I could not see a crack in the intake or see any smoke escaping everything cleared up as soon as I sprayed carb spray on the top of it. Must have been porous in some way. A new intake and all was good. Thanks to all who offered help... Trouble codes: P0300 (Random cylinder misfire).
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2007 Cadillac CTS 2.8L Driver window VIN: 1G6DM57T27
Hello and thank you for all of your replies. Here was the fix. What was happening when the up or down for the driver window was pushed I would lose voltage to the door module. In the wiring diagram there is a Splice #303 that I could not find in NO DATA. After...
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1997 Chevrolet C3500 Cheyenne 6.5L ecm b VIN: 1GBKC34F1V
thank to all I replace the trasf pump is all good. I will run the truck in idle all day and no problem driver will take and fuse will blow bad fuel pump
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2005 Chevrolet Malibu LS 3.5L No Start, Cuts out VIN: 1G1ZT54875
we replaced the charcoal canister and vent valve. have not had an issue since. the fuel was backing into the canister on fill up. the purge valve would then suck the raw fuel into intake causing driveabilty issues.
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1997 Dodge Grand Caravan ES 3.8L MIL Lamp on VIN: 1B4GP54L0V
The van has not been back in so I assume that he put the correct gas in and the light is off. Thank you for all your help. Trouble codes: P0171 (Fuel system lean).
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2002 Ford F-250 Super Duty Lariat 7.3L fuel injectors VIN: 1FTNW21F32
very sorry customer ended up taking truck to different shop which has still not fixed it
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2003 Ford F-350 Super Duty Lariat 7.3L Radio,Gauges VIN: 1FTWW33F73
I finally got this one in the bag. After more testing I found the #85 and #87 leg of the acc. delay relay would go dead. At the same time I found the power windows would also be disabled. When this would happen I would get the code for the OTC ecu internal fai...
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2004 Ford Escape Limited 3.0L Alternator VIN: 1FMCU94104
Well as usuall, this ones fixed as we overlooked the obvious. after testing everything under the sun. we spoke with a gentelman from "The Borderline" and he had us look at the belt. we did look at it before and it did seem to have belt dressing applied to ...
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2004 Ford F-350 Super Duty Harley-Davidson Edition 6.0L brake pedal and steering wheel VIN: 1FTSW31P24
WELL!!!this one is done!!! thank you all for your help I realy apresiate it. so I made a mistake that is very enverasing. I tooked for granted that the other shops thet worked on before intalled the hydro lines correctly. bad habit but sometimes weare to worri...
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2010 Ford Crown Victoria Police Interceptor 4.6L No Start, Hesitation, Surge, Stall, MIL Lamp on VIN: 2FABP7BV5A
Hello Fellow Technicians. This beast has finally been tamed. We ended up pulling down the new fuel tank to find a broken emission fuel line that had been repaired by the collision repair facility. We purchased a complete emission line for the top of this fuel ... Trouble codes: P2196, P2198.
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2005 Honda CR-V LX 2.4L Poor Idle Quality, MIL Lamp on VIN: SHSRD78505
THANKS FOR ALL THE REPLIES-MOST EVERYBODY SAID TO DO HARD RELEARN BY DISCONECTING THE BATTERY-WORKED GREAT-THANKS AGAIN. Trouble codes: P0507 (Intake air system leak detected), P2279 (Idle control system higher than expected).
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2001 Hyundai Sonata GLS 2.5L No Start VIN: KMHWF35V41
well the Hyundai is fixed customer was not happy about the price for the purge valve and charcoal canister .but after we went and filled it up. and it started right up boy was she happy .about an hour later she came back with pizza for all the techs gentlemen ...
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1995 Lincoln Town Car 4.6L Unknown VIN: 1LNLM81W9S
started checking the ign switch and wiggled when it was acting up. and radio and all stopped working as normal. replaced the ign switch and been 4 days and all fine. thank you
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2000 Mazda Protege ES 1.8L No Start VIN: JM1BJ2211Y
Thanks for everyones help. Turned out that my 1141 code was not causing my loss of fire. Car had jumped time. Compression was fine and cam and crank sensors read fine. My Solus pro did not show me that they were not synced, causing the fire at first try but th... Trouble codes: P1141.
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1985 Mercedes-Benz 300D 3.0L injector pump VIN: WDB1241301
I had gotten several replies, Most said to try to reseal the pump in the car, because most of the leaks are at the injector pumps upper body, We did the reseal and all is good. Thanks iatn
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1997 Mercedes-Benz E420 4.2L No Start VIN: WDBJF72F7V
This car had a faulty engine ECU after we eliminated everything else. These computers are locked to the vin of the car so can be bought very cheaply used. $40 for the computer and $250 for Beckmann Technologies in North Carolina to unlock it for us. Car sta...
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2000 Mercedes-Benz C230 Kompressor 2.3L Srs VIN: WDBHA24G8Y
Well after spending several hours of my time (and the time of members of IATN)the customer decided to take the car to a Mercedes dealer since his insurance co is willing the provide him with a loaner car.Thanks to all who helped!
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2004 Nissan Murano SL 3.5L No Start VIN: JN8AZ08W04
Well thanks for all of your help,appreciated as always.This one ended up going to the dealer as customer figured it would be easier/faster for them to diagnose the problem.After a week at the dealer they condemned the computer,and this one is fixed.(customer r... Trouble codes: P0605 (PCM ROM error), P0500 (Vehicle speed sensor circuit), P0170 (fuel trim problem bank 1).
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2009 Nissan Altima S 2.5L compressor VIN: 1N4AL24E89
The Fix is in. Several of you suggested this system wont function without an outside temp sensor. We installed the outside temperature sensor and that brought the compressor back on line. There was still no refrigeration. The compressor would draw down to 30 ...
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1997 Pontiac Bonneville SE 3.8L fuel pump/ guages VIN: 1G2HX52KXV
I had alot of good info from the techs who tried to help. The vehicle left yesterday and went to scrap as the wiring harness was cut in two by the engine installer. The customer did not want to keep throwing money at it when he saw how many places the harness ...
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2008 Toyota Camry LE 3.5L Unknown VIN: 5TD2K23C88
This one was a bear! but regardless it was repaired. I replaced oil control valve. removed valve cover and cleaned everything I could. After replacing OCV the remaining codes resolved themselves. Thanks for your help everyone.
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2008 Volvo XC70 3.2 3.2L Mechanical VIN: YV4BZ98288
Hello and thanks for the help. I chose the route of removing heat shields to gain access to the drain tube. once i got 2 layers of heat shields out of the way, i found and cleared the drain. Thank you all for your help as always iatn rocks! John
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