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Prev Professional Automotive Repair Technical Discussions for January 22, 2014
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2008 Acura MDX 3.7L navigation/ radio VIN: 2HNYD28458
well I have this mdx here that the battery kept going dead. one day the lady and her mother jumped started it back words. Towed it here I spent a few hours replacing fuses including the main fuse. then I put a new battery in checked for a draw had a 300ma draw...
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1995 BMW 325i 2.5L Steering VIN: WBABJ5328S
What we experience now is the vehicle pulls to the left after making a left turn, the vehicle pulls to the right after making a right turn any suggestions will be really apreciated it. Thanks guys!!!
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2005 BMW X5 3.0i 3.0L Excessive Emissions VIN: 5UXFA13585
This vehicle is smoking somewhat heavely, when the costumer drives the car for a while and then parks it on an incline, after leting it sit for a while (10 or 15 minutes)and then restarting it ,we can see lots of smoke coming out of the tail pipes,the engine i...
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2005 BMW X5 4.8is 4.8L ride control VIN: 5UXFA93535
Please help, we have this X5 that does not have a reading in the scanner for the left front level sensor. It came in on the ground completely deflated. we cleared codes 64-74 then it pumped up without leaking down. I found the strap for the LF sensor broken an...
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2006 BMW X5 3.0i 3.0L auto light function VIN: 5UXFA13506
Good evening guys, I have a x5 thats kicking me around. Customer had a new windshield and rain sensor installed. They brought it to us to have the rain sensor intialized. I have done this before with no issues. The problem with this car after I intialize the r...
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2007 Cadillac Escalade 6.2L Unknown VIN: 1GYFK668X7
Vehicle came in with multiple problems. Had multiple codes for bank 2 upstream o2 sensor, a bad driver side motor mount, and the check suspension light on. Otherwise vehicle drove great. Customer wanted me to diagnose suspension light. Diagnosis turned out to ...
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2008 Cadillac CTS 3.6L Mechanical VIN: 1G6DF57788
We have had this vehicle in and scanned, found codes which would indicate that the timing chain is still not correct. Our customer is a dealer who purchased the vehicle at auction. We brought this back to Cadillac and they said that the Camshafts were moving a...
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2001 Chevrolet P37 MotorHom 7.4L no steering assist and pump noise
I need info and help with a hydro-boost system with auto park drive line brake. This is in a 2001 Southwind Class A Motorhome, Chevy P37 chassis. soory about no VIN, I will be at the vehicle later today Customer replaced the Power Steering pump a couple of t...
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2002 Chevrolet Venture LS 3.4L No Start VIN: 1GNDX03E72
Vehicle has compression across the board, fuel pressure is within specs has nice bright blue spark(jumps 1/4 inch gap and brightly illuminates a spark tester)the problem is no injector pulse. To my knowledge on this vehicle the PCM will use camshaft senor as p...
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2007 Chevrolet Silverado 1500 LT 4.8L Shifting harsh, speedo bounces, CEL, ABS, Brake VIN: 1GCEC14C47
Worktruck came in with a complaint of warning lights, harsh shifting, speedo bouncing. Verified and pulled codes. **PCM Codes -P069E FPCM Requested MIL -P0700 Trans Control System Fault -P0703 Brake Switch Circuit -U7300 Control Module Comm Bus A Off -U0101 Lo...
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2002 Dodge Durango SLT 4.7L no mil VIN: 1B4HS48N52
Customer had the vehicle towed in. She stated that she was warming up the engine while she cleared the snow off it and it didn't sound right, sounded like it was going to stall. She said she "gave it gas" and it quit running and she could not restart it, so sh...
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2011 Dodge Grand Caravan Express 3.6L Multifunction switch VIN: 2D4RN4DG2B
Hello all. I have a Caravan here giving me greif. We brought the van in and mounted 4 new snow tires on it. Went to pull it out of the shop and the wipers were running constantly (will not shut off) and no turn signals. Checked for codes. the instrument cluste...
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1995 Ford Contour LX 2.0L Engine
I replaced the fuel pump after I had no fuel pressure with KOEO no fuel pum activation either. Fuse,Relay and Inertia switch ok. Still no start and pump is working. Now I disconnect the MAF sensor and she runs ok at higher rpms. Rough Idle. Verified voltages f...
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1999 Ford F-250 Super Duty Lariat 7.3L fuel leak VIN: 1FTNX20FXX
This is my truck and I have fuel leak I cannot, simply cannot, find. It drips off the right rear/center of the engine. Valley is dry-fuel filter, drain, fuel lines etc. are dry- as is the fuel line going to the rear of the right head. The plug on the fuel rail...
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2003 Ford E-350 7.3L leak VIN: 1FTSS34F23
here's for the diesel techs out there . this van came to fix a leak that comes out as a puddle on the valley section of the engine right behind the fuel filter housing . very hard to see so we took off the turbo to take a closer look from the back of the engin...
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2003 Ford F-250 Super Duty XLT 6.0L Engine VIN: 1FTNF21P13
This is a no start when cranking the vehicle makes almost a fuel knock sound. Will not run at all. I have removed the lower fuel filter and upper fuel filter and found in great condition and replaced. Checked upper filter housing for air bubbles when cranking ...
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2004 Ford Freestar SEL 4.2L battery VIN: 2FMZA52244
This vehicle has a draw. Sitting in the shop has 4.9 milli amp draw not enough to draw battery dead over night but it goes dead over night I removed the radio had same result. Is there a bcm test I can do or anyone ran into this before?thanks
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2006 Ford Mustang GT 4.6L Transmission shifting VIN: 1ZVHT82H56
Vehicle has noise when shifting gears and letting clutch out. It is the kind of noise you normally get when you have a bad pilot bearing. It is worse when the vehicle is cold. Kind of a rattle, grinding type noise is the best way I can describe it. Had the tra...
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2011 Ford F750 6.7L lack of engine power VIN: 3FRNF7FA4B
Let me start by saying i don't work on these trucks daily. the tech that does is at a loss. when you drive this truck about three miles the engine will not rev past 2000 rpm. if you shut the truck down and restart it, the abs and brakes lights flash and sound ...
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2003 GMC Yukon XL 1500 SLE 5.3L abs VIN: 1GKFK16Z13
Hello guys and girls got a good one here truck came in with abs light on and pulling left when braking frond code c0040 for r/ f speed sensor checkedwill bearing had lots to play and no sig out of speed sensor after replacing wheel bearing cleared code and tes...
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2007 GMC Acadia SLT 3.6L parking assist , fuses VIN: 1GKEV33717
Got this vehicle from a body shop after a rear end hit. It happens to belong to a neighbor of mine to boot. Car was hit from behind by a snow plow with little apparent damage. Appears hitch prevented more damage. The shop replace one backup sensor that had be...
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2004 Isuzu Rodeo S 3.5L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 4S2DM58Y44
This is more of an informative post than a need for help. This vehicle has been to several shops with just about every sensor either replaced or swapped in the attempt to repair fault. All symptoms where intermittent. Miss fires at start up and or during drivi... Trouble codes: P0300 (Random missfire), P0304 (Missfire cylinder 4)
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1995 Jaguar XJS 4.0L No Start VIN: SAJNX2741S
We have a no start condition with the original ecm or the replacement ecm any suggestions? thanks for all your help
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2005 Jaguar XK8 4.2L Cuts out VIN: SAJDA42C35
The customer reported that his headlights would go off while he was driving intermittently when the switch was in the AUTO position. When he switched it to manual, the lights would not go out. He has had this condition for awhile and wants to repair it. My que...
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2002 Kia Sedona EX 3.5L Unknown VIN: KNDUP131X2
Hello to all. Need some advise on this Kia. We have a serious shake in engine/trans? Most noticeable on start up. When you start it you can feel serious shaking of engine. Had some seriously busted lateral mounts, replaced them, no help. replaced main right fr...
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2003 Land Rover Range Rover HSE 4.4L air strut VIN: SALME11443
heard a thud noise and passenger side front strut went flat,all others are up.unplugged chassis sensor,arm going to it and manually moved for operation but air motor did not turn on.cleared codes and problem still there.there is a ambient temp code 1117 is the...
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2006 Land Rover Range Rover HSE 4.4L MIL Lamp on
HI all, I have a problem with this 2006 range rover. IT is the 06 model with the jaguar engine. It runs, idles and drives faultlessly but the fault code returns almost immediately. I reset the codes and adaptations but they climb back to 20% on within a couple... Trouble codes: P0171, P0174
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2009 Land Rover LR2 HSE 3.2L tpms light on
Thanks in advance for the help i have 2 lr2s with tpms light flashing. I get a code c1d21 wheel module on both vehicles.all sensors are working i can pull their ids with bartec 300 also on one of the lr2 i get a b10a2 crash input code.all of these codes are ha...
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1995 Lincoln Town Car Signature 4.6L Stall VIN: 1LNLM82W8S
Hey guys. This Town car came in for check engine light on with a code for low EGR flow.Removed plenum and cleaned half moon passages in manifold and cleaned throttle body and plenum. Now car starts and stalls after a few seconds. will stay running if you open ...
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2002 Mitsubishi Eclipse RS 2.4L Stall VIN: 4A3AC34G02
Vehicle in for stall when coming to a stop. Customer says it happens after driving, warm engine and coming to a stop it will stall. It happened to me after a cold soak. Cleaned throttle body and performed idle relearn. Drove vehicle and parked for 20 minutes i...
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2003 Nissan Altima SE 3.5L Power Windows VIN: 1N4BL11E63
Greetings! I'd call the local exorcist except a look online shows that this is not unknown on these older Nissans - however no definitive solution to be found. I figure if anyone has the answer it'll be here. Front power windows would occasionally go down in t...
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2006 Nissan Altima S 2.5L Misfire VIN: 1N4AL11DX6
Customer complaint of check engine light on and no reported drivability issues. Pulled DTC P0302 cleared and drove vehicle. Could feel slight hesitation/mis on decel from 50 MPH P0302 returned. Trouble codes: P0302
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2006 Nissan Frontier SE 4.0L No Start VIN: 1N6AD07UX6
Hello all, I have a Nissan eating my lunch. I recently did cylinder head gaskets, with fully reconditioned heads, due to overheating. Vehicle fired up, after an extended crank. Ran smooth, so went ahead and made sure cooling system functioned properly. Check e... Trouble codes: P0340 (Cam sensor bank 1 problem)
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2003 Porsche 911 Carrera 3.6L battery VIN: WP0BA29933
This car has a 225 mA draw, the illumination light in the drivers door for the hood and engine compartment switch is staying on, however if the car is locked the draw drops to less than 50 mA and the lights are off. Owner keeps the car in a garage unlocked and...
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1999 Saab 9-5 2.3L Brake booster VIN: 123412341X
Hey guys, I'm working on a 99 Saab 9-5, customer complaint of excessive pedal effort when braking. Confirmed complaint with a road test. Vehicle brakes ok for the first half of pedal stroke, but then becomes hard at the second half of travel. I can lock up the...
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2006 Subaru Outback R L.L. Bean Edition 3.0L abs err 55 VIN: 4S4BP86C46
I have this Subaru with err 55 message in dash(speedo area). Cruise light flashes and abs light on. Scanned with solus and only current code was left front sensor. Replaced and rescanned and now had code for rt rr sensor. Other code was cleared and did not com...
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2008 Subaru Outback 2.5i L.L. Bean Edition 2.5L MIL Lamp on VIN: 4S4BP86C28
Hi, this vehicle was in 3 weeks ago for the same code,p0817. We replaced the valve body as the switch is part of it. It came back with the same code, customer reported the transmission light was flashing and was in limp-home mode. We could not reproduce the pr... Trouble codes: P0817 (Park neutral signal intermittent)
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2009 Subaru Forester X Premium 2.5L Engine, Trans?? VIN: JF2SH63649
ok guys, this car came in with a siezed engine, because the customers didnt change his oil for 20k. the front rod bearing and crank seized. we had to brake the block open to be able to move the engine to remove fly wheel nuts. long story short we got a block f...
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1996 Toyota Supra 3.0L powertrain VIN: JT2DD82A9T
firts this car has no power and dies .just like a a fuel pump ,check presuure and was ok replaced mass air flow runs ok until for a day . same thing replace 2 front o2 sensors same code fuel trim looks bad . finally the shop took this car to toyota dealer they...
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Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2006 Audi A6 Quattro 3.2L MIL Lamp on VIN: WAUDG74F46
I did smoke test this thing again and the system is tight. I also removed the purge solenoid, bench tested it and verified no carbon build up in the supply hose, all ok. I removed the LDP, verified proper ohm resistance and voltage present, all ok. I then r... Trouble codes: P2404 (Evap leak Detection pump sense circuit inplausible signal short with power intermittent), 23603, 18836 (Evap leak Detection pump sense circuit inplausible signal short with power intermittent).
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2001 BMW X5 4.4i 4.4L lower timing cover VIN: WBAFB33541
Thank you all, however. the customer has declined the repair at this time. Upper covers and valve covers where done at this point.
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2007 BMW 525xi 3.0L Post Fix Check Q?? VIN: WBANF33587
I want to thank all of you who generously responded directly and others who indirectly helped via the iATN Knowledge Database. Nothing like iATN for professional level helpful thoughts and information. I close this as "Fixed" because the customer's satisfied... Trouble codes: 2A99, 2A87, 2A98, 2A1A.
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1999 Chevrolet Silverado 1500 4.3L Stall VIN: 1GCEC14W8X
well the customer has stated that he now doesnt want to spend any more time or money on the vehicle, to all those who replied thank you for your time and im sorry i was not able to get a fix for this problem i did use an oem computer and i also scoped the whit... Trouble codes: P1351.
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2008 Chevrolet Malibu LT 2.4L TPMS and remote lock VIN: 1G1ZJ57B78
This one had data on the bus, power and ground. I called the module bad and sent the customer for a new module and programming.
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2005 Chrysler 300 2.7L No Start VIN: 2C3JA43R45
This one is fixed! Thanks to all who replied with good helpful information. This car had me puzzled. As the last reply stated, sometimes when you get in so deep with so much info you have to start over with a fresh mind. I put the car back together with the or... Trouble codes: B2100, B2124, U0100, B2101, P2067, P0462.
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1999 Dodge Ram 1500 Laramie 5.2L wipers VIN: 1B7HF13Y8X
Thanks everyone for all of the help. This system is relatively complicated for such a basic system. There were many tests to be made. The multi function switch ended up being the culprit. The red and black wire that feeds power through the multifunction switch...
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2008 Dodge Grand Caravan SE 3.3L no start VIN: 2D8HN44H08
Originally vehicle came in NO START. Scan tool showed NO COMMUNICATION with the PCM. Customer interrogation reviled that the van was involved in the SOUTHERN ALBERTA FLOODS. unfortunately this mislead some of my initial diagnosis. First I had the customer ...
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2007 Ford Focus S 2.0L Air bag light on VIN: 1FAHP37N97
Thanks for all the info. After spending a lot of time on this vehicle I decided to call a friend at Ford, now wait for this, all we had to do was disconnect the clock spring and re connect. We learn everyday.
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2007 Ford E-350 Super Duty 5.4L abs VIN: 1FTSE34L67
Thanks for all the replies, a few hit the nail on the head. Some mentioned checking sensors and wiring etc, but scoping each sensor was the key. there was a small drop out on the rear sensor. We pulled the rear diff. cover to inspect the sensor ring on the ca...
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2008 Ford Taurus X SEL 3.5L No Start VIN: 1FMDK02W48
Thank you to those that responded to my request. As suggested by some me tried to load "as built" data several times with no good results. We finally put the old unit back in and started from scratch. The key was to start a NEW session with the IDS. After the ...
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2010 Ford E-250 4.6L Poor Idle Quality, Stall, Poor Fuel Economy VIN: 1FTNS2EW9A
It was the purge valve. Michael, Nathan and Sheldon were right on. The TSB says P1450 and P144A and lean codes, but in my case I had P1450, P144A, P2196 and P2198 (rich codes). I took it to the shop and put a fuel pressure tester on it. Fuel pressure was a fe...
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2007 GMC Yukon SLT 5.3L Misfire VIN: 1GKFC13J57
Well i did not fix this vehicle. Customer would not allow us to replace spark plugs with AC Delco. Customer has a family member that works at a Chevy dealership in California. Our customer talked to their technician over the phone. Customer IS convinced proble... Trouble codes: P0300 (Random cylinder misfire.).
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1983 Jaguar XJ6 4.2L No Start, Poor Idle Quality, Cuts out, Stall VIN: SAJAV1344D
It looks like most of those that replied deffinatley know more about jaguars than I do. Been servicing this car for years and never even noticed the tank switch. Guess it wasn't required for an oil change. Switched tanks and had same symptoms although it wo...
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2003 Jeep Liberty Sport 3.7L heating VIN: 1J4GL48K43
Well... after replacing the entire heating/cooling system, thermostat, heater core, water pump, radiator, heater hoses, radiator hoses, blend door actuator, blend door and reprogramed the head I managed to get 10 degrees warmer out of the vents (115 degrees wh...
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2008 Jeep Wrangler Unlimited Sahara 3.8L engine VIN: 1J8GA59138
Thanks for the quick help, taking the Jeep to the dealer for TSB 08-007-08. did a quick test by removing the fuse and allowing the module to reset to verify. you guy's are awesome!
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2005 Kia Sorento EX 3.5L Lighting VIN: KNDJC73305
i forgot to close this post sorry but the cust has not came back thanks for the help
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2001 Lexus ES300 3.0L cyl head
well I had the engine back together the other day. Im not to proud to admit I did mess up on assembly I did bring the engine to tdc when I disassembled the head But I did not pay 100% attention to the position of the cams there is 2 dots and 1 dot on the cam g...
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2008 Lexus RX350 3.5L Poor Idle Quality, Misfire VIN: 2T2HK31U18
OEM Replacement coil was defective out of the box. Another OE coil and problem solved. Previous diagnostic steps followed, there was a very slight variation in the coil ramp on 6 as opposed to 2 and 4. Didn't actually catch it until i borrowed a neighbors amp ... Trouble codes: P0356, P0306.
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2001 Mazda 626 ES 2.0L battery VIN: 1YVGF22C61
It's fixed! Thanks to everyone for the replies, they were all very helpful. Tried all suggestions and just could not get them to happen until yesterday morning. Karl from Massachusetts nailed it though. I had tried getting everything to fail than I pulled ...
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1999 Mercedes-Benz E430 4.3L windows VIN: WDBJF70H8X
i want to take this opportunity to thank each of you to guide me in fixing this problem. you guys are great! So definitely right rear window motor/module fixed the problem , period.
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2003 Nissan Murano SE 3.5L main fuse VIN: JN8AZ08T73
With the customer's complete understanding that it ws a shot in the dark, he chose to have us replace the starter. Well, it's been two weeks with several days below zero and it hasn't failed yet.
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2002 Oldsmobile Alero GX 2.2L Spark Plug VIN: 1G3NK52F32
I have repaired this vehicle. We did a compression leak down found no leaks. Looked for vaccume leaks no bad hoses.Sprayed gum cutter around intake no rpm change. Ran vehicle sprayed gum out around spark plug to see if plug was sealed, did not draw any fluid f...
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2003 Pontiac Bonneville SE 3.8L Air suspension VIN: 1G2HX52KX3
Thanks for all the help people. It's been three weeks and then some since we've had the car in here and as of yesterday, the ride is fine and there is no noise. I called the Monroe tech help line and asked what the solution is for this application. The tech...
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2003 Saab 9-3 Linear 2.0L Setting cam timing VIN: YS3FB45S53
It looks as though I had the correct tool after all. I still do not have the engine running yet,(it is a shop project car),but after going to a scrap B207L head and trying the cam tools on it I decided that even though it was a tight fit the tools did fit on t...
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2001 Subaru Outback Limited 2.5L pops out intake VIN: 4S3BH68621
Rick from Wisconsin nailed it on the first shot, even the fact that it was from a used car lot, moisture is what ate my lunch and caused me to dream my work last night. there was condensation in main engine harness square plugs, I blew them dry and sprayed pen... Trouble codes: P0336.
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2002 Subaru Outback 2.5L readiness monitor VIN: 4S3BH67562
I found that the vehicle was indeed running cold on longer trips but was always at 190+ deg when the vehicle would stop in for a readiness check. I recommended a thermostat although my customer insisted that the heater worked just fine and the temp gauge alway...
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2003 Subaru Outback 2.5L abs Light
Hello Friends, Thank you all for the great replies. I have found the two ground connectors and the connector pin eight and I got the code 26, right rear wheel sensor problem. I pulled out the wheel sensor and it seemed to be very rusty.I also checked the whe...
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2002 Volkswagen Passat GLX 2.8L heat VIN: WVWRH63B52
Thanks to all for help. It was a clogged core. I had no success until I put paint thinner in it and back flushed.Thanks, Adam
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