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Professional Automotive Repair Technical Discussions for June 12, 2013 International Automotive Technicians' Network (iATN) - Members Only |
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(Also Available: All, Asian, Chrysler, European, Ford, GM.) | ||
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Open Help Requests for All Makes and Models
Help Request | Answers | |
1999 Audi A4 1.8L scan tool VIN: WAUCB28D9X Car came in after being worked on unsuccessfully at other shop. Engine has a hesiation. My main concern is car wont communicate with my vag-com. Vagcom works on other vw's here. Car does have afermarket radio, but it was not shorting the #7 lead to 12V, but I ... |
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2003 BMW 325i 2.5L Surge, MIL Lamp on VIN: WBAET37403 hey guys,i need your help on this one i got this vehicle came in smoking all my shop it is actually just throwing white blueish smoke, im pretty sure is oil instead of coolant does not overheat and has no coolant loss.But it does have the 2 banks running lean,... Trouble codes: P0171, P0174 |
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2005 Buick Rainier CXL 4.2L Rear Air D Height VIN: 5GADT13S85 Thanks to all, We have this 2005 Buick Rainer all wheel drive that is leaning to the right. We have found that the rear D height is off about an inch. we recalibrated the rear air spring level sensors. that did not fix the problem. the compressor seems to rai... |
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1984 Chevrolet Corvette 5.7L dash cluster VIN: 1G1AY078XE Sending one out to all the Corvette gurus in the audience. Got a 1984 Corvette that was brought to us for a dead digital dash cluster. Located a used cluster and installed. The dash now works but is not on very brightly. When you first turn on the key it's nic... |
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1994 Chevrolet K3500 5.7L Cuts out VIN: 1GBJK34K3R Hello and thanks for your help in advance. Im having a really hard time with this truck. My father sold the truck and while being driven a long distance with the plow on the guy cooked the motor. I replaced the motor with used a used one. Truck idles and runs ... |
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1999 Chevrolet Tahoe LS 5.7L No Start VIN: 1GNEK13R7X help!! Trouble codes: P1336 |
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2006 Chevrolet Colorado LT 2.8L Stall VIN: 1GCCS14836 vehicle came in with misfire and low compression on #1.we replaced the head and after 30 minutes with hood closed vehicle drops idle at random.no problems with data or communication.with hood open takes 3 or 4 hours before problem shows up.no codes all monitor... |
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2008 Chevrolet Colorado WT 3.7L Engine Compression VIN: 1GCDT19E38 Thank you for your help on this one. At first it looked like simple timing chain issue but now that we have the valve cover off, we can see that the cams are lined up when we have the #1 piston at top dead center. We are pulling the front timing cover off righ... |
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1996 Chrysler Town & Country LXi 3.8L No Communication VIN: 1C4GP64L1T Hi guys I have this van in the shop it came in for a state inspection. But when we went to hook up the state inspection machine to the DLC we didn't have any communication between the two. So we tried our code reader and still no communication but both our sca... |
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2004 Chrysler Pacifica 3.5L No communicabus line,cluster, wipers,power seats, VIN: 2C8GM684X4 Customer complaint of non operation of instrument cluster, power seats, front wipers, and HVAC. It all started after installing a gps unit into the 16 pin DLC. I have no communication with BCM, skreem module, Instrument cluster, and power seats. I have all pow... |
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1999 Dodge Grand Caravan SE 3.3L Won't Pass readiness VIN: 2B4GP44R0X We had the vehicle in for an evap emissions code. We smoked the system and found no leaks. We found the leak detection pump to be bad and replaced it. It has passed all mode 6 tests for evap emissions. We gave it back to the customer and had them drive it. Sev... |
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2005 Dodge Grand Caravan SE Plus 3.8L No Start VIN: 2D4GP44L55 This Caravan will not start unless I jump ASD relay curcuit number 30. I have no ground activation from the computer at curcuit 85 on the relay. I do have both powers at 86 and 87 at the relay. If I clear the codes I get PO685 comes right back with out even cy... Trouble codes: P0685, P0688 |
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2004 Ford F-150 FX4 5.4L Poor Idle Quality, Hesitation, Stall, MIL Lamp on VIN: 1FTPW14594 Im suspecting the pcm is going bad or needs an update. Has anyone ever tried to update the computer and not given the option with the ids? I dont have any communication issues or anything like that it just wont give me the option to update whenever i click mod... Trouble codes: P2107 |
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2005 Ford E-350 Super Duty 5.4L No Start VIN: 1FTSS34L85 fuel pump will run when ground return at fpdm and start vehicle. tried new fpdm 17-50 ohms at control wire. Trouble codes: 191 (low fuel pressure) |
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2006 Ford F-150 XLT 5.4L No Start VIN: 1FTPW12556 Truck has 187k miles came in with cylinder 7 misfire one of the rocker arm pop out and damage the cam shaft.the cylinder heads were replace. The mechanic disconnected the battery remove the computer from the vehicle.after a week or so the mechanic finish putti... |
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2010 Ford Ranger XLT 2.3L ODO, Starter VIN: 1FTKR1AD3A Intermittant no-crank with ODO showing dashes and Anti-theft light radidly flashing. Problem will go away if key is cycled several times. I have already replaced the ignition switch (cheap/easy) Codes P1260 (Theft Detected) and P0219 (Eng over-speed) in PCM. C... |
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1993 GMC K1500 Sierra SLE 5.7L Pump gear breaks VIN: 2GTEK19K4P Thank you in advance for any help. Customer brought vehicle in because it was shifting very hard. We found metal in pan and the fluid was burnt. We recommended replacement with the transmission being rebuilt. We got the transmission back and installed it. Cust... |
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2006 GMC Envoy XL Denali 5.3L Power Steering VIN: 1GKET66M56 Hello, What I have is a power steering whine over 3500 rpm, and it's loud...sounds like a supercharger. History is as follows; Customer was talked into a fluid flush at a local fast lube, since then p/s whined at idle and turning. We changed fluid to oem but... |
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2002 Honda Accord EX 2.3L Poor Idle Quality VIN: 1HGCG55642 hi honda techs. ive got this 02 accord that will not hold steady idle . sometimes it idles fine. around 800 rpms. sometimes it idles around 1100 and others very low around 500 or so. the customer adjusted base idle up to correct a going dead problem. the probl... Trouble codes: P1491 |
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2004 Hyundai Elantra GLS 2.0L No Start VIN: KMHDN46D24 We got this car in with an intermittant no start. First time customer. Customer states that she had at another shop getting the emissions done. They set off the alarm and it took them about ten minutes to get it to shut off. They got it to shut off with out th... |
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2010 Hyundai Tucson GLS 2.4L Tire light VIN: KM8JT3AC9A Oh, man. I've got this truck, one of the other techs here replaced the LF tire sensor due to breakage when removing tire. Used a carquest sensor. I know, I know, but here me out. After about a week, cust got a blinking tpms light. Had code for RF sensor. But w... |
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1997 Jeep Wrangler SE 2.5L Poor Idle Quality VIN: 1J4FY29P2V Hello Everyone, After feeling pretty good about my diagnosis, i was very disappointed with the end result of the valve job repair. I know that the valves were not closing, in fact my machine shop said they had a hard time cleaning the guides bc they were so gu... |
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2007 Jeep Liberty Sport 3.7L Misfire, MIL Lamp on VIN: 1J4GL48K97 Jeep counts missfires on cyl 2 4 and 6, not hard missfires, but it does miss on these cyls. The story we got was that this problem was there before the head was replaced..The cyl leakage on the rt side cyls is 20% and the left side was running 15%. The cam/car... Trouble codes: P0300 (Multiple cyl missfire) |
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2006 Lexus LS430 4.3L A/C Light Blinks No Cooling VIN: JTHBN36F86 Hello iatn, got a real intermitten problem with this a/c. Customer complained that intermittenly the a/c button would flash and beep .the a/c would not cool at that time, he would then press button off then on again and at that piont it would only cool on one ... |
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2007 Lexus ES350 3.5L Converter & Pump VIN: JTHBJ46G97 Vehicle came in overheated and motor is wasted. Replaced motor from lkq with motor out of a 2009 toyota camry. After motor replacement, front pump started leaking. Pulled trans and sent to trans shop, they inspected the trans and said trans is good, just needs... |
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1991 Mercedes-Benz 500SL 5.0L no 2-3 shift VIN: WDBFA66E9M Hi This car came out of over winter storage . Cust shut car off at car wash would not restart. tried to jump start with no luck had local Amoco gas station put starter in . Would not shift out of second . Has reverse . We changed fluid and inspected and test... |
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1998 Mercedes-Benz ML320 3.2L compressor VIN: 4JGAB54EXW This vehicle came into my shop for A/C not working at all. First scanned system for any codes found P1584, P1491, B1232, C1200. I evacuated and tried clearing the code with my snap on Verus scanner and the codes would not clear. Removed & replaced the refriger... |
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2004 Mercedes-Benz SL500 5.0L Convrtible top VIN: WDBSK75F34 Mercedes tech, please help. Car came in with convertible top open a small gap and not able [...] close. Install das,no dtc in convertible system. Found blown fuse, replace and once we activate the pump with the switch, it blown again. Try replace relay, same fuse... |
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2008 Mercedes-Benz C300 Sport 3.0L MIL Lamp on VIN: WDDGF54X58 to all M/BENZ gurus out there. got this C300 that has codes P0170 & P0173 - fuel trim codes. have smoked the intake and no leaks found. is there something that am missing??? Trouble codes: P0170, P0173 |
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2008 Mini Cooper S 1.6L Poor Idle Quality, Misfire First off customer drove this car for several weeks with this problem before bring the car to us. Had codes for miss fire all cyl. and air mass meter code, will only accelerate to 4k We found the upper timing chain rail broken, so we reset the cams which wer... |
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2006 Nissan Maxima SL 3.5L No Start VIN: 1N4BA41E76 This car is from another shop. The car was driven in and a axle seal was put in and would not start afterward,It does not show a Antitheft problem.There is a problem with TPS in the throttle body but that should not prevent the car from starting I've tried wit... Trouble codes: P0123 (Tps), P0222 (Tps 1), P2135 (Tps) |
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1998 Pontiac Firebird Formula 5.7L Cuts out VIN: 2G2FV22G4W Car had fuel pump replaced at a another shop about 1 year ago. customer said it ran good for 1000 miles or so. now it falls on its face @ 2500 rpms. fuel pressure is low. if i block the return line from the pressure regulator it has 85 lbs. So i replaced the r... |
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2003 Pontiac Grand Prix GT 3.8L MIL Lamp on VIN: 1G2WP52K23 This thing shows misfires on 1+4 around 3,000 RPM, but misfires not felt. Tried a module, swapped coils, and plugs, tried new ignition module, no change. It will flash the SES when driving, in shop shows misfires on scan tool, but no flashing SES. Checked patt... Trouble codes: P0300 (Misfire), P0404 (EGR feedback signal out of range) |
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2004 Toyota Highlander 3.3L a/c VIN: JTEEP21A14 Toyota techs please help, customer complained of an intermittent hot air coming out of a/c vents for 3 seconds & then back to cold air,i finally drove car for 3 days- always blew cold air before symptom occurred and found it to blow hot air when turning steeri... |
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2006 Toyota Tacoma 2.7L programming VIN: 5TETX22NX6 this vehicle had 3 broken valve stems from previous repair. installed 'redi sensors' and attempted to program vehicle to accept, with no success.. removed and replaced with GENUINE TOYOTA sensors, and retried.. no success.. Am using a Autel tool to read code#s... |
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2000 Volkswagen Cabrio GL 2.0L long crank time cold VIN: 3VWCC21V5Y When cranking the engine after it has been off for 30 minutes or more, it cranks for 3-4 seconds before it starts. When this happens, the square wave from the cam sensor in the distributor takes a couple seconds before we see it on the scope. Within a second o... Trouble codes: P0102 |
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2001 Volkswagen Passat GLS 1.8L chime for door,headlight VIN: WVWAC63B21 Hi to all, We have a Passat that the door chime will not go off. The headlight chime stay's on all the time with lights on while driving. We tried a new door latch ,headlight switch, load reduction relay,chk'd fuses and to no luck. Any idea's will help, a wi... |
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2007 Volkswagen Passat 2.0T 2.0L Ac VIN: WVWAK73C77 customer complains AC is not cold enough. 93 degree day it cooled to 55 degrees (front doors open, AC full blast on recirculate. Simialar car (2006 Jetta Tdi) cooled to 47 degrees (same day, same circumstances). Pressures on this car were same as pressure on... |
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2008 Volkswagen Beetle S 2.5L Tpms VIN: 3VWPG31Y88 this car sits for months at a time and when it came in for service the TPMS was on and the tires were all low, they are all now at 34 psi and we have not been able to turn the light out, and we have been given a multitude of ways to do so, like drive car 20 mi... |
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2002 Volvo V70 2.4L p0171 VIN: YV1SW61R22 I have this volvo with code p0171. I cleared the code and it came back on the same day. Fuel trims are good. Right around +- 1-2. Theres no vacuum leaks. I checked for excessive vacuum when removing dipstick tub to see if the oil trap was bad but there was no ... |
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2006 Volvo S60 2.5T 2.5L vacuum pump VIN: YV1RH59286 Dealer originally diagnosed a defective vacuum switch which in turn burned out the original vacuum pump- common problem. Verified same and replaced both switch and pump. Used Worldpac components, was an OEM Hella pump- looked and had all symbols of the origina... |
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Fixes & Summaries for All Makes and Models
Fix/Summary | Answers | |
2003 Audi Allroad Quattro 2.7L Engine VIN: WA1YD54B63 The consensus was that the head gasket or head crack was the cause of the overheating, However, I am in agreement with Mark (jake) that at 126o C is boiling and that would produce bubbles that I see. I agree with him that checking hydrocarbons in the reservoir... |
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2007 Cadillac DTS L 4.6L rear air lift VIN: 1GEEH06Y67 thanks to everyone that responded -after scoping data lines & getting no where ended sending this one to dealer.I am waiting to hear from customer what the actual problem was. I do not at this time know what they found, when I find out I will add to this post ... |
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2000 Chevrolet Silverado 1500 4.3L Electronic VIN: 1GCEC14W6Y thanks to all the tech who spend time helping me with this one. i know i was dealing with a broken wire on the secondary ignition but did not pay enough attention on my wiggle test but went back on my wiggle test with another test with another tech checking on... |
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2005 Chevrolet Silverado 2500 HD 6.6L wont run egr monitor VIN: 1GCHK23265 Well thanks for the responses. I am sorry this took so long but I just got the truck back today, the customer needed it. I checked to verify if the egr monitor had run it still said not ready in the readiness status of my genesys. then I looked under mode 6 an... |
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2006 Chevrolet Silverado 3500 LT 6.6L MIL Lamp on VIN: 1GCJK33D36 We have fixed this truck. It was the connector that was bad at the injector. One of the biggest lessons that I learned while working on this truck was that when the module sees a problem with the injector circuit it shuts that circuit down for that key cycle a... Trouble codes: P0205 (Cylinder 5 injector circuit malfunction). |
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1955 Chrysler New Yorker 5.4L No Start VIN: N5543787XX Many replies stated there is no polarity to the condenser. I pulled the distributer and bench tested it with various coils. Nothing. Pulled condenser and substituted another one. Bingo, had spark. I also found one of the screws too long and binding the vacuum ... |
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1994 Dodge Stealth R/T 3.0L No Start, Stall VIN: JB3AM54J5R thanks to all who replied it was the ecu that was bad. kinda figured that what it was just wanted to make sure i wasn't missing anything. |
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2003 Dodge Grand Caravan Sport 3.3L Speedometer VIN: 2D4GP44333 Sorry for the long delay to close this help request.Customer has not returned with van and we have been busy so no one has called her yet.You guys had alot of great ideas.Bad solder joints in the cluster and corroded wiring under battery and fuse box,in harne... |
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2008 Dodge Grand Caravan SE 3.3L windows it was a broken wire guys but not in between door it down by floor board guess when i step on it it would work and when a was off it it wouldnt huh again thanks |
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2002 Ferrari 360 Challenge 3.6L blower VIN: ZFFYT53A52 Thanks for all the help Mike and Jeff were right .The blower resistor was bad. Quite pricey (850.00 from dealer)Thanks again Mike |
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2003 Ford F-250 Super Duty XLT 6.0L No Start VIN: 1FTNX21P43 Well after all of the wiring checks and loading the circuit I decided as a last ditch effort to replace the cam sensor connector. Plugged it in and tried cranking it and I thought it wouldn't start but it did. Runs really well now - only problem I have is a ... Trouble codes: P2164. |
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2005 Ford Explorer Limited 4.6L Engine noise VIN: 1FMDU75W25 Well, I took care of this engine. Sent cylinder head to a local machine shop and got it all fixed up, Got a new piston and rod from a dealer which came with rings and bearings and everything all assembled. Installed new timing chains, guids and tensioners. ... |
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2006 Ford F-350 Super Duty XLT 6.0L No Start VIN: 1FTWW31P76 hey i would like to take a minute and say thanks to everyone who repied to this post the problem was the high pressure oil pump and again i would like to say thanks. |
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2008 Ford F-550 Super Duty XL 6.4L Low Airflow VIN: 1FDAW56R28 I WANT TO THANK EVERYON THAT RESPONDED . CUSTOMER HAD TO TAKE THE VEHICLE IT IS A WORK TRUCK. WELL THE TRUCK RETURNED TODAY AFTER 2 WEEKS BEING GONE. WE PULLED THE EVAPORATOR OUT AND IT WAS PLUGGED WITH DEBRIS. IT IS FIXED NOW. |
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1993 GMC K3500 Sierra SLE 6.5L transmission, abs VIN: 1GTHK34F1P well guys, I was not able to blow the fuse in the rendundant circuit during any test drives. just like a short just does it when it wants to. it will probably show it's ugly head again but for not the customer is driving around smiling and life is good! |
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1991 Honda Accord EX-R 2.2L Cuts out, Poor Fuel Economy VIN: JHMCB7668M after chasing dead end after dead end we turned to the ecm, found that it had water in it at sometime. there was corrosion on the inside on the termals, and a water line on the cover. which had put the car in limp home mode. After replacing the ecm the car wo... |
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2002 Honda Accord EX 2.3L copression VIN: 1HGCG65832 Hi techs, sorry I didn't get back sooner, but I got the head off and found the valves covered in oil. I brought the number two and three pistons up to top dead center and noticed alot of movement with the pistons. Expained to customer what I found and he decid... |
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2003 Honda Civic Hybrid 1.3L Charging VIN: JHMES966X3 A big thanks to the 5 people thta replied. The information was educational, as far as how the system functioned. Having never "dug" that far into a hybrid system, I did some information research into the basics of this particular system.I found a trouble tree ... |
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2003 Jeep Grand Cherokee Limited 4.7L Stall VIN: 1J8GW58NX3 Thanks for all the help. I replaced the crank sensor and it running great. I did not think that the crank sensor could be sending a signal to the pcm when the car was not running, it must of been shorting out when hot. Thanks again Kevin |
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1998 Lexus GS300 3.0L No Start VIN: JT8BD68S0W did more tracing and found the insolation on 2 wires cracked and touching in the wire loom for the coils. Trouble codes: P0120 (Throttle Position Sensor or switch A circuit problem), P1120 (Accelerator Position sensor ciruit malfunction). |
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2001 Lexus GS300 3.0L Electronic VIN: JT8BD69S31 The tip about using a stubby screw driver was right on the nose! I removed the glove box, a small section of duct work that ran between the blower motor case to the center plenum, moved a few electrical connectors, and was able to get to all 3 screws that hold... |
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1992 Mercedes-Benz 400E 4.2L No Start, No communication VIN: WDBEA34E4N My thanks to Tim he was basically right on with the poor connection at the positive battery terminal. the connection in our vehicle was tight just corroded. we had to disassemble and clean the connector. Thanks Again |
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1999 Mercedes-Benz ML430 4.3L condenser fans VIN: 4JGAB72E8X many thanks to Marc who took alot of his time helping me, thanks to the others that responded as well, this one was more of a ignorant chase than failure, the condenser fans do not come on until the high pressure gets to 290psi, during the time i was testing i... |
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1998 Nissan Sentra 1.6L fuel smell when warm VIN: 1N4AB41D4W Now I understand what verify is! I miss that a lot. Just cause a customer says it does something you need to drive it if you can and verify there's a problem. Can save hours of needless testing. I still have a whistle that sounds like a throttle body and goes ... |
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2002 Nissan Maxima SE 3.5L long crank fires up VIN: JN1DA31A52 Many of you replied with the same answer and I say you all were correct the vehicle started with new OEM cam sensors and ran for a half an hour when the Maf failed hot. I luckily had a test vehicle here 1999 and borrowed the sensor LOL. It ran so I ordered a ... Trouble codes: P0340 (camshaft sensor phase 1 present when driven in). |
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2003 Nissan Sentra GXE 1.8L No Start VIN: 3N1CB51D83 well after messin around with ths one for a good several hours finally noticed cylinders 2 and 3 were pooled up with gas. I originally overlooked this and thought it was just from cranking it so much but 2 and 3 were significantly worse than 1 and 4. cleared i... Trouble codes: P0462. |
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2001 Oldsmobile Intrigue GL 3.5L running VIN: 1G3WS52H31 thanks guys i changed out the ignition switch so far so good when i took it out looks like someone else has already been in there they must of took it apart and lost or broke something idk but could tell that someone has had it out thanks again |
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2001 Porsche Boxster Roadster S 3.2L MIL Lamp on VIN: WP0CB298X1 Thank You kind folks for the information. It doesn't surprise me that for 1 stupid little scheet metal screw you have to remove the alternator to get to it. I found a great spot above the bell housing to securly mount the new vacuum resevoir. The entire proces... Trouble codes: P0410, P1411. |
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2005 Porsche Cayenne 3.2L compressor VIN: WP1AB29P05 Thanks for the help guys, the compressor regulating valve was not getting a consistent signal and the PWM line that grounds was staying at 12v when the air wasn't working. Jumping the wires and manually grounding the line would instantly make the compressor wo... |
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2005 Scion tC 2.4L Poor Idle Quality, Misfire VIN: JTKDE17795 Car still isn't fixed. I tried installing a new VVT solenoid for kicks and it did nothing for the problem. I'm bringing the car back in later this month when the software for my new labscope becomes available. There's no way I'll give up on this one. Trouble codes: P0300 (p0301-), P0301 (p0302-), P0302 (p0303-), P0303 (p0304-), P0304. |
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2001 Subaru Legacy GT Limited 2.5L Unknown VIN: 4S3BE65681 Thanks for the help guys- we found that a heat shield had been rubbing on the drive shaft and the trans/ transfer case fluid was nasty! Repairing the shield and servicing the drive train fluids fixed it! Thanks! Greg and crew |
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2008 Subaru Impreza WRX 2.5L Clutch VIN: JF1GE75658 This one was sent to Subaru because they had the possibility of a warranty repair. Thanks for the replies. |
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2008 Subaru Impreza Outback Sport 2.5L Misfire VIN: JF1GH63628 Vehical is still not fixed I removed the heads had them pressure tested, used a lab scope to verify cam and crank signal and timing.No problems found I noticed a slight vibration at about 2200 rpms that goes away at about 2500 rpms, then the missfire counter s... Trouble codes: P0301, P0302. |
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1994 Toyota 4Runner SR5 3.0L Excessive Emissions VIN: JT3VN39W7R Tightened and cleaned all grounds, added another from engine to frame and helped in reducing negative voltage to about half. Customer chose to not go any further and pulled vehicle. Thanks for your help |
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2000 Volkswagen Golf GLS 2.0L no A/C VIN: WVWGC21JXY thank you all who replied to my post, advice was to check a/c compressor clutch-coil circuit was open, I was advised on pcm strategy to withhold power from coil if damaged, I was also told to check fuses and fuse box for melted connections, all answers very mu... |
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2000 Volkswagen Beetle GLS 1.8L evap temp VIN: 3VWCD21C1Y client has not returned yet to let us do further testing. we will update when vehicle returns and fix is found. thanks for all the replies. |
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2006 Volkswagen Passat 2.0T 2.0L Hesitation, Poor Fuel Economy, MIL Lamp on VIN: WVWEK73C96 Thanks for the 10 replies! Most of you mentioned about the air leak some where,but we smoke test it couple times and can't find any leak. After replacing the N249 turbo cut off valve 06F 906 283 F, the buck down problem improved. But if you accelerate hard the... Trouble codes: P0299 (Boost pressure regulation-control range not reached-[...]). |
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2006 Volkswagen Passat 2.0T 2.0L No Start VIN: WVWAK73C86 I'm doing it now! Timing belt broke. Missed a step when I first checked it. Compression test. I've been bit by that before. I've pulled valve cover to check chain. This had a timing belt done 10 kmiles ago? How do I check the chain out? You can't see it withou... Trouble codes: 00484 (vehicle position recogonition control module j603). |
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