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Professional Automotive Repair Technical Discussions for October 18, 2012 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for All Makes and Models
| Help Request | Answers | |
| 2002 Audi A4 Quattro Avant 3.0L No Start VIN: WAUVT68E32 did a engine swap same avk engine put it together no start,back firing like the engine is out of time,the replacment engine used from manual trans car this car is automatic,check compression good wiring to cam sensers all good,what we feel is the flexplate is ... Trouble codes: 1670E, 16750 (16775-), 16775 (16725-), 16725 (16730- camshaft postion impausble signal), 16730 (camshaft postion impausble signal) |
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| 2005 Audi A6 Quattro 3.2L Poor Idle Quality, Surge, Cuts out, Misfire, Poor Fuel Economy VIN: WAUDG74F25 Miss fires cold and only after it runs for just a short time like 90 seconds it is fine for the rest of the day until it sits over night again, then it will cough and puke until it gets just a little bit of temperature in the motor. We have checked fuel pressu... Trouble codes: P2296 (Fuel presure regulator valve), P2004 (Intake manifold flap stuck open), P0300 (Cylander 3 missfire), P1653 (Dtc memory of abs controller), P1753 (Implausable signal intermittent) |
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| 1986 BMW 535i 3.5L Hydroboost VIN: WBADC8409G Hey Guys so this bimmer has been a thorn in my side since the day this guy walked on the lot. He brought it in this time complaining the brakes locked up after he drove it a while. I temped it and the left front was obviously stuck. I pick it up to take a look... |
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| 2002 Buick Century Custom 3.1L Stall VIN: 2G4WS52J32 This car came in with a bad miss.Scanned it at the time I had 2 codes PO300 And P1189... Checked the misfire count and #1 Cyl was highest.Changed the plugs, wires and fuel filter and ran much better.Let the car set for awhile and came back and started it and i... Trouble codes: P0300, P1189 (Oil Switch Signal Circuit), P1626 (Theft Deterrent) |
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| 2006 Cadillac DTS 4.6L Unkown VIN: 1G6KD57966 I have a shudder/vibration type sensation under heavy acceleration. |
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| 1995 Chevrolet G30 Hi-Cube 5.7L Excessive Emissions, Poor Idle Quality, Surge VIN: 1GBJH32K6S NEVER THOUGHT ONE OF THESE OLD TBI WOULD GIVE ME THIS MUCH TROUBLE. OTHER THAN IDLE VAN RUNS FINE DRIVE GOOD DOWN ROAD & HAS GOOD POWER.Engine will start & idle great until closed loop. Will idle good for bit then gradually idle low. IAC will start to retract.... |
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| 2002 Chevrolet Express 3500 8.1L MIL Lamp on VIN: 1GBJG31G32 We have been having issues with our van setting a P0101 DTC for several months. It used to come and go, but now it sets a P0101B almost every drive, generally between 40-50mph, approx 50% engine load. No drivability symptoms. We previously replace the CKP sens... Trouble codes: P0101 |
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| 2002 Chevrolet C7500 Kodiak C7H042 7.2L alt, tach VIN: 1GBM7H1C32 Truck came in not charging. Replaced alt and it was good for 10 days. Cust said the ABS light would come on and the charging gauge would peg at 19v. When the ABS light went out the gauge would go back down. The batt light never came on. Truck died and was towe... |
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| 2003 Chevrolet Silverado 2500 6.0L MIL Lamp on VIN: 1GCHK29U43 Vehicle came in with airbag light on. DTC B0103 active code. Scanned DTC and found electronic front end sensor 2 performance. Scanned SDM and found it was receiving ID from both front sensors. Back probed connector and have power at sensor. Disarmed SIR by pul... Trouble codes: B0103 (Electronic front end sensor 2 performance) |
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| 2004 Chevrolet Venture LT 3.4L Poor Idle Quality, Stall VIN: 1GNDX13E94 This van will not start when cold unless you open the throttle a little. Will then idle. Customer says it will sometimes stall when coming to a stop. Always starts when hot, but idles to fast and sets fast idle code. I replaced the IAC valve and it started ri... |
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| 2005 Chevrolet Equinox LT 3.4L Radio VIN: 2CNDL73F75 Hi all in IATN land. Thanks for taking some time to read this post. Truck came in with nasty sounding right speakers at low volume. Right rear window had been broke out at one time so I went to the amp under the rear seat. Sure enough it had two green connecto... |
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| 2005 Chevrolet Cobalt LS 2.2L MIL Lamp on I have this cobalt with a 2.2 that has a code 1516. My problem is after following the diagnostic flow chart from shopkey when Iwas supposed to check across the motor contol wires with a test light mine lit and wires were not shorted to power so replaced thrott... Trouble codes: P1516 |
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| 2008 Chevrolet Silverado 2500 HD WT 6.6L Cuts out, MIL Lamp on VIN: 1GCHK23608 Hello to all Techs. This is my first tech ask and I'm needing guidence as the Tech that started this vehicle for me has left and taken all data with him. Feeling like a goose I'd like some ideas please. This vehicle runs fine until put under heavy load (towing... Trouble codes: P0299 (Turbo underboost) |
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| 2008 Chevrolet Silverado 1500 LTZ 6.0L No Crank VIN: 3GCEK13Y48 THE CAR HAS NO CODES.IT IS COMUNICATING WITH ALL THE MODULES.IT IS GETTING A CRANK REQUEST TO THE PCM.THE PCM DOES NOT SEND SIGNAL TO THE STARTER RELAY. If we GIVE 12 VOLTS TO THE SIGNAL WIRE FROM THE PCM TO STARTER RELAY,IT WILL SPIN OVER,BUT NOT START(with i... |
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| 2002 Dodge Caravan SE 3.3L no start VIN: 1B4GP25R82 I have been working on this one for two weeks now. When cold it will not start if it warms up it will start. No communication with inside modules mic,bcm,hvac. Once it is started it will be fine all day till it cools of like over night. No codes in pcm,tcm,bcm... |
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| 2004 Dodge Dakota Sport 4.7L Volt Gage VIN: 1D7HG38NX4 Battery voltage will intermittently spike above 17 volts for a few seconds sometimes a minute and the radio will quit and then the engine stalls. Will restart immediately and things are normal again. Happens once to twice a month. No codes stored in controller... |
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| 2008 Dodge Caliber SXT 2.0L check engine light VIN: 1B3HB48B38 Check engine light on and will not clear.Code description is p0217 intake manifold runner position sensor circuit.Alldata does not list this code but global OBD is for engine over temp.Has anyone come across this before?Engine does not overheat fan operation o... |
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| 2009 Dodge Journey R/T 3.5L dual zone VIN: 3D4GG67V19 Checked for codes none set. Temp blend doors move. Thought had to be temp. Blend door not moving passenger side. Removed dash and replaced housing assembly with new doors and acturators. Only serviced as an assembly. Did not find any broken doors upon inspecti... |
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| 1992 Ford E-350 Econoline Club Wagon Custom 5.8L Fuel Pump VIN: 1FBJS31H4N Hello, this van was towed in no run conditon.When you turn key on the fuel pump stay on won't turn off.every now and again when the fuel pump comes on then off (primes correct) it will run.If you go in reverse then forward it will stall or run rough.we swaped ... |
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| 1997 Ford Windstar GL 3.8L Shift & early TCC VIN: 2FMDA5145V Hello fellow gearheads. The elderly woman that drives this says trans slams when shifting at times and won't accelerate well from a stop, also at times. This transmission has set 2 codes, P0500 (VSS) and a P1785 (Trans mechanical failure 1/2). I found no det... |
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| 2001 Ford F-350 Super Duty Lariat 7.3L No Start VIN: 3FTSW31FX1 Hi Guys, I'm about to loose my mind on this PowerStroke. The problem is no communication with the PCM. My scan tool (AutoEnginuity) can talk to the GEM Module, Air Bag Module, and the ABS module. Not with the PCM however. The Check Engine light comes on for ... |
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| 2003 Ford F-150 King Ranch 5.4L Misfire, MIL Lamp on VIN: 1FTRW07L33 Hi all, this truck has been in and out of our shop with an intermittent cold start misfire on the #4 cylinder. We replaced the spark plug and coil on #4 thinking this was the reasonable cause. Truck came back in about a week later with the same problem. On col... Trouble codes: P0304 (Cylinder 4 misfire) |
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| 2005 Ford F-150 FX4 5.4L Poor Idle Quality, Misfire VIN: 1FTPX14585 I'm looking for guys that have lots of experience with the cam phaser problems on these vehicles. I somehow have managed to not see any so far, I'm guessing this might be my first. When you drive this vehicle for 15 miles or so on the freeway at fairly steady ... |
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| 2006 Ford F-350 Super Duty XLT 6.0L Misfire VIN: 1FTWW31P76 I hope someone can point me in the right direction with this problem. Truck was towed in with the customer complaining about a severe misfire at 2500 RPM. He states that the engine has been replaced with a new unit purchased from a Ford Dealer. He states that ... |
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| 2007 Ford Edge SEL 3.5L Starting VIN: 2FMDK48C47 Good afternoon everyone This 1 is for the Ford guys out there I am NOT WORKING this vehicle myself it's in a Chevy dealership as a used car he has got a 12 volt draw he has removed every fuse from under the hood and inside the vehicle still has a 12 volt draw ... |
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| 1993 Geo Storm 1.6L Stall VIN: JB1RF2360P Thanks for the help in advance. Got this sweet 93 geo storm that came in for a no start. Customer has been doing his own work on it, had low fuel pressure, pump wasnt installed properly. Fixed that problem and vehicle started and ran for about 5 min. then stal... |
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| 1997 GMC Yukon SLE 5.7L Guage fluctuations VIN: 1GKEK13R1V After replacing fuel pump and following wiring harness directions for new connector, the fuel guage fluctuates with the sloshing of the gas inside the tank. We have tried a carter fuel pump and a gm pump, both have different connectors that need to be rewired ... |
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| 2000 Honda Accord EX 2.3L front struts VIN: JHMCG5554Y Front struts are leaking and must be replaced. I suspect rear struts must also be replaced in the near future. KYB is the OEM supplier but only sells the strut. I would prefer to install the entire strut spring assembly (because it is much easier and less labo... |
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| 2000 Honda Passport EX 3.2L 1-2 shift 2-3 shift VIN: 4S6DM58W1Y this has an intermittent harsh 1-2 2-3 upshift. when it happens it will snap your neck and actually chirp the tires. the mechanic who was working on it before me replaced the transmission 3 times to try and fix this problem.he quit and now it is my nightmare. ... |
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| 2000 Hyundai Elantra GLS 2.0L Clutch VIN: KMHJF35F7Y Thanks in advance , i need your help we had a vehicle towed in june, simple clutch failure we replaced clutch kit and machined flywheel. Car drives away fine .2months later and 1400 mi later car is back clutch is shot, all hydraulics working fine nothing broke... |
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| 2001 Jaguar S-Type 4.0L ride VIN: SAJDA01P01 meow the cat is crying this car has very low miles ,, had loose ball joints and stabilizer links and a CATS system fault for the left front strut connection we installed new ball joints and links and repaired the wire to the strut the problem is the susp... |
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| 1999 Jeep Grand Cherokee Laredo 4.0L transmission VIN: 1J45YTDKNY Noticed transmission whent in to limp in mode, take of in second gear, i got the code for wrong governor prassure. After various testing, i replaced both transducer and sensor for governor, i noticed the fluid was very hot after 20min. of driving and kind of b... |
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| 2001 Land Rover Discovery Series II SD 4.0L Poor Fuel Economy, MIL Lamp on, Chugging VIN: SALTL15421 Both upstream O2S replaced, same codes are generated. Can't find vacuum leak if there is one. Fuse 2 ok. Trouble codes: P0134 (No O2S activity bank 1), 00135, P0155 (O2S Heater circuit bank 2 sensor 1) |
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| 2004 Mercedes-Benz C230 Kompressor 1.8L Oil Seprator VIN: WDBRF40J84 Can anybody tell me where the Oil Seprator is on this Model. |
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| 2002 Subaru Forester S 2.5L Hesitation, Misfire, MIL Lamp on VIN: JF1SF65672 Hi guys have a subaru forester engine light on misfire code all 4 cylinder .and a p0341 cam sensor . Check timing look good replace cam sensor . Code sitll there for p0341.any help thank you guys |
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| 2005 Subaru Impreza WRX STI 2.5L limited slip diff VIN: JF1GD70665 well guys i have this sub here it keeps blowing fuse # 4 in the main fuse box its a 10 amp fuse says its for unit back up not much info on this thats why i call on you guys and gays the best source of info available according to the little info i have it runs ... |
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| 2001 Toyota Camry LE 2.2L Cuts out, Stall VIN: JT28N22K51 HELP!!! Greetings once again fellow sufferers of the auto repair world. I have here a Toyota Camry that uses Compressed Natural Gas for fuel and the vehicle itself is a little less than cooperative when it comes to the amount of data it will allow me to view. ... |
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| 2005 Volkswagen Jetta 2.5 2.5L MIL Lamp on VIN: 3VWSF71K05 We are getting a fault code po411. We can activate the secondary air pump with the scanner and it runs fine. We have checked the coolant temp sensor and the readings are accurate. We ohmed out the secondary air injection valve and it is 25 ohms which is in spe... Trouble codes: P0411 |
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| 2009 Volkswagen Tiguan SE 2.0L MIL Lamp on VIN: WVGAV75N09 Car came in this morning, customer says light came on last night. I scanned it, and found P0030. I had to call Mitchel in order to get proper information and diag procedures. After following all the steps, ie voltage check, ground check, resistance of the O2 s... Trouble codes: P0030 (Heater circuit malfunction) |
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Fixes & Summaries for All Makes and Models
| Fix/Summary | Answers | |
| 1999 Audi A6 Quattro 2.8L Cuts out, Stall, MIL Lamp on VIN: WAUBA24B2X i needed to erase codes then go to 060 and the reprogramming started auto matic. thanks to all the help!!! Trouble codes: P1545 (throttle valve controller malfuntion). |
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| 2006 Audi A6 Quattro 4.2L 3-2 shift VIN: WAUDL74F56 Owner of car has decided to let me perform "exploratory surgery" on the valve body in an effort to find and repair a problem. This is a "no hurry" job so am currently waiting for a v/body zip kit from Sonnax. |
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| 2006 Buick Rendezvous CXL 3.5L steering VIN: 3G5DB03L06 Okay, got this one. Wanted to wait to reply as the process was interesting and wanted to be sure it worked. The fault was the differential. The extended warranty company sent out a reman differential unit. Here is what had to be done. First, install unit and a... |
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| 2000 Chevrolet Suburban 1500 LT 5.3L rattle noise on rail VIN: 3GNFK16T5Y I believe the 'Burb is fixed, we haven't seen or heard from him in over a week. I used a "Carquest" fuel pressure regulator. Yesterday , a fellow from General Motors R&D called me after seeing my post on IATN wondering if I found and solved the problem. He c... |
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| 2005 Chevrolet Equinox LT 3.4L sets code c0035 VIN: 2CNDL63F85 REMOVED LONG HARNASS FROM VEHICLE OHMED IT WHILE WIGGLING IT UP AND DOWN THE HARNASS AND IT NEVER WENT OPEN,BUT REPLACED IT ANYWAY AND HASNT BEEN BACK YET . THANKS TO ALL WHO RESPONDED |
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| 2004 Chrysler Concorde LXi 3.5L lights VIN: 2C3HD36M04 thanks for all good posts. the battery temp pid was ok we changed alt and all ok |
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| 2008 Chrysler Town & Country LX 3.3L No Start VIN: 2A8HR44H68 It was pretty obvious that the shifter wasn't at fault. You could get the key to operate by pulling out ever so slightly. I ended up calling TechAuthority and verifying that this could not be done via J2534, had it towed to the dealer where they used the Wii... |
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| 1998 Dodge Grand Caravan SE 3.3L alarm VIN: 1B4GP44G9W Well, he has given up. Seems to be bcm related, but can't confirm for sure, he is going to get rid of the van. Just dosent't want to throw parts at it, I think he now hates the car. Thanks to all that tried to help, I think one of you were probably right, b... |
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| 2000 Dodge Dakota 4.7L MIL Lamp on, No communication VIN: 1B7GL22N9Y First, thanks to Matthew & Chuk for providing me the info I needed to diagnose the CCD bus. The CCD bus gets 5.0 volts from the insrument cluster, there is a 120 0hm resistor in the PCM and a 120 ohm resistor in the cluster, to bring it down to 2.5 volts. I... |
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| 2000 Ford Explorer XLT 5.0L MIL Lamp on VIN: 1FMZU83PXY Thank everyone for your input. I would not be able to fix this FORD if without all of your help. Brian from Michigan nail it. When I disconnect the DPFE, the code never come back. Replace the DPFE and the problem is gone. Thank a lot everyone. Trouble codes: P0340 (Camshaft Position Sensor A Circuit Malfunction). |
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| 2001 Ford F-150 Lariat 5.4L Poor Idle Quality, Surge, MIL Lamp on VIN: 1FTRX18L61 we let the vehicle go with the lean fuel fixed to see how it would do. the lean fuel stayed fixed. the barometer eventually did come up. still not sure about how that works. i did everything i could find in print to get that to update but it would not. there m... Trouble codes: P0171, P0174. |
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| 2007 Ford F-150 XLT 5.4L Timing Chain Marks VIN: 1FTPW14V47 Sorry to say that the truck's still in the shop and not fixed. Due to time constraint on this Help Request, I need to close this. However, as soon as this vehicle is fixed, I'll return to this post with a full report as to what the culprit was. I'd like to th... |
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| 2008 Ford Focus S 2.0L Poor Idle Quality, Surge, Stall VIN: 1FAHP34NX8 thanks to fellow members for all the tips on this vehicle. customer declined further diagnostics and decided not to repair vechile. |
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| 2003 Honda Accord EX 3.0L Electronic VIN: 1HGCM66563 This vehicle was not fix customer did not want to spend in replacing circuit board for climate control or ecm, we had checked all electrical wires from computer to under hood and everything is ok because if we ground #27 (red) wire at ecm the system works,but ... |
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| 1981 Mercedes-Benz 380SL 3.8L turn signals VIN: WDBBA45A4B Thank you to all that replied to my help request. I did try to clean the switch and checked to make sure all the powers and grounds before I posted. After finding what may be the only new switch left in the world and telling the customer a very fair price, he ... |
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| 2001 Nissan Maxima GLE 3.0L Poor Idle Quality VIN: JN1CA31D01 we did what Kenneth from Florida suggested and seem to work this was after replacing the idle control unit. 2. Start engine. 3. Warm up engine to normal operating temperature. 4. Select “CLSD THL POS” in “DATA MONITOR” mode of scanner. 5. Stop engine. (Turn i... |
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| 2003 Saab 9-5 Linear 2.3L Brake Servo VIN: YS3EF49E03 On the way to be fixed. Customer has decided for a new unit, which has arrived. The car will be back next week for the installation. Thanks to the replies. |
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| 1998 Subaru Legacy Outback 2.5L noise in rear VIN: 4S3BG6850W well changed out 3rd used rear differential, no change in noise, used chassis ear on rear wheel bearings no noise from there the worst noise is at rear of trans (manual trans), since we had drive shaft rebuilt eliminated wheel bearings as noise and installed t... |
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| 2008 Toyota Camry SE 2.4L Forward Gears VIN: 4T4BE46K78 Sorry for the delay, but I wanted to give my customer a few weeks of drive time to make sure the problem did not return. After pulling my hair out, I ordered a used trans with 66K miles. Installed it and it ran like a new car. I did disassembled the old trans... |
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| 1992 Volkswagen EuroVan CV 2.5L Coolant Light VIN: WV2PC0707N This vehicle is fixed. It ended up being the instrument cluster. We sent this one out to be repaired and have had no more problems since being reinstalled. Thanks to all for the replies! |
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| 1996 Volkswagen Jetta GLS 2.0L MIL Lamp on VIN: 3VWSA81H4T Well this one passed emission test thankfully. I couldn’t fine information on how to long code ECM so I just let it go though testing with code present (P1475- Evap emission control leak detection pump circuit malfunction no signal). The code is a manufacture ... Trouble codes: P1475 (Evap emission control leak detection pump circuit malfunction no signal). |
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| 1997 Volkswagen Passat GLX 2.8L Engine VIN: WVWEE83A7V I Haven't Had Time To Get Back To This Car Yet. Been Busy And Since This Car Belongs To My Kid, It Will Have To Wait Till The Paying Jobs Are Done. I Guess My Next Step Will Be To Pull The Valve Cover And Check The Timing. I Will Repost Something When I Have ... |
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| 2003 Volkswagen Jetta GLS 1.8L MIL Lamp on VIN: WVWSE61J13 Well we got it handled pins 3 and 5 at the pedal assy running no ground ran 2 new wires to pcm fixed that, then had a burned wiring smell ohmed the heater ckts in the 02s and found one at 2.8 ohms and one at 8 ohms spec 8 to 14 ohms, replaced both and all is g... Trouble codes: P1639. |
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| 2007 Volkswagen Rabbit 2.5 2.5L cooling system VIN: WVWBR71K87 This one is down the road with a happy Customer. Here are the suggestions I recieved: William from Minnesota and Efi from Israel both suggested that perhaps we were incorrect about the fluid contaminating the coolant, and said that we should check the transm... |
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| 2011 Volkswagen Jetta SE 2.5L MIL Lamp on VIN: 3VWDX7AJ6B THANKS FOR ALL THE HELP WE FOUND THAT WE WERE RIGHT ALL ALONG THE VW DEALER WAS SENDING US THE WRONG SENSOR THREE TIMES WE FOUND A DIFRENT PARTS PLACE AND THEY FOUND US THE ONE WITH A MAP AND AIT TENP SENSOR IN STALLED AND ALL IS GOOD Trouble codes: P0113 (Intake air temp. Circuit high input). |
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| 2000 Volvo S40 1.9L MIL Lamp on VIN: YV1VS2551Y We decided to throw a Hail Mary and we ordered the third new rpm sensor, and tah-dah it works like a charm...go figure fyi, has exact same pattern on lab scope, and same resistance and the same 1.8 v ac at an idle...go figure...thanx for all the help, Jay Trouble codes: 78 (engine speed sensor). |
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| 2005 Volvo XC90 2.5T 2.5L turn signals VIN: YV1CY59235 The CEM was faulty. After replacement the system ( steering wheel functions ) still acted goofy so I put the old SWM back in and every thing worked perfect. I was unable to download the reload for the new SWM. The scanner ( Vida ) does not communicate with t... |
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