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Prev Professional Automotive Repair Technical Discussions for February 5, 2014
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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
2004 BMW 545i 4.4L Oil Pump VIN: WBANB33574
To all Techs, When installing an oil pressure gauge to this BMW, I notice extreme low oil pressure. About 1 psi at idle and 4 psi at 2000 rpm. The oil pump screen appears very clean as well as the crankcase. With the oil filter removed, I blow shop air into th...
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2010 Chevrolet Cobalt LT 2.2L MIL Lamp on VIN: 1G1AF5F52A
tested wiring check ok even tried relocting sensor Trouble codes: P0327
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2002 Ford Explorer XLT 4.0L Transmission/Transfer Case/Differential VIN: 1FMDU73E42
Customer put this vehicle into four wheel drive for the first time since he has owned it. He used 4WD because we had a lot of ice on the roads and he drove around on the ice a bit and now it makes a clunking noise. The clunk occurs right as you are coming to a...
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2003 Ford F-250 Super Duty XLT 6.0L No Start VIN: 1FTNW21P33
truck has a random extended crank it happens in any weather and it does not matter if the truck is hot or cold. sometimes the truck starts right up in about 2 seconds other times it will crank for 10 seconds then you cycle the key and it usually starts within ...
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2005 Ford Mustang GT 4.6L no forward, no reverse VIN: 1ZHT82H155
Hi tech,I have a 06 mustang 4.6 automatic came in yesterday, problem with the transmission. NO FORWARD/NO REVERSE/NO CODE. Customer states that it did not have any issues since we had it rebuilt with new torque converter installed last year (18,249 miles have ...
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2007 Ford Freestyle Limited 3.0L Alternator VIN: 1FMZK03147
Vehicle was brought in about two weeks ago for same issue, Alt not charging and P0622 code setting. P0622-GEnerator "F" terminal control circuit malfunction. By the time I hooked up scanner and battery charger and looked up code it started charging once starte...
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2008 Ford F-550 Super Duty XL 6.4L No Start, Poor Idle Quality VIN: 1FDAF57R18
Hi everyone, I have a bit of a head scratcher here. I have a f-550 6.4l diesel that will not start. it was originally towed in,after the customer had replaced the alternator. he drove it till it died. we did the basic checks. it had water and algae in the fue...
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1993 GMC C6000 Topkick C6H042 6.0L Parking brake VIN: 1GDE6H1P4P
I have a 1993 GMC Topkick that is part of our fleet. The parking brake engaged at a red light leaving the driver stranded. It has the electric/hydraulic setup which sucks. He stated that smoke came from the column near the shifter, I found the actuator puking ...
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2002 GMC Yukon XL 1500 SLE 5.3L Misfire, MIL Lamp on VIN: 1GKFK16T52
All tune up parts including fuel filter look new and in good condition. It only has misfire on multiple cylinders on fist startup of the day, runs good after warms up. On cold start the short term trims on both cylinders was about 30. After it warms up the sho... Trouble codes: P0300, P0171, P0174
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2000 Honda Accord EX 3.0L Excessive Emissions, Poor Idle Quality VIN: 1HGCG2251Y
This vehicle is over fueling on cold start 0 degrees or colder. Noted white smoke and a strong fuel smell from exhaust with engine running. This issue clears up after only 1-2 min after start up. I have disconnected vacuum line from fuel pressure regulator whi...
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2001 Hyundai Santa Fe GLS 2.7L MIL Lamp on VIN: KM8SC83D51
We Need some Hyundai HELP We have no results due to flow chart and wiring diagrams with misinformation. the test is the Terminal & connector Inspection section of the P0462 Flow chart the Diagrams show a 40 pin connector at the ECM and the test ask for us to t... Trouble codes: P0462
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2001 Isuzu NPR 4.8L MIL Lamp on VIN: J8DC4B1471
We were attempting to replace the tps sensor on the accelerator pedal assembly. The wires that come off the sensor go up into the dash & out of sight. Our tech info shows the connector in about the middle of the dash over the heater housing. We have removed th... Trouble codes: 21 (TPS circuit fault)
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1995 Jeep Grand Cherokee Laredo 5.2L Cuts out VIN: 1J4GZ58YXS
Morning All A good friend of mine bought this jeep end it has a 318 in it, problem is - the crank sensor is dropping out. We have no clue how to get to this thing. We tried dropping the trans, reaching down from the top after we moved things out the way. no l...
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2009 Jeep Liberty Sport 3.7L cooler line seals VIN: 1J8GN28K19
I am replacing the integrated transmission cooler/ air conditioning condensor on an 09 liberty and cannot find the seals for the trans cooler lines ANYWHERE. called 2 dealerships and both say you have to purchase the complete trans lines to get the 2 dollar se...
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2003 Lincoln Navigator 5.4L air suspension VIN: 5LMFU28R53
Hey folks, I picked up an old Navigator as a fixer upper. The vehicle was not worth any air suspension components so I installed Expedition strut units. Does anyone know how to eliminate the warnings in the dash message center? It is transmitted via the UBP ne...
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2004 Mazda B2300 2.3L Hesitation, Cuts out, Misfire, MIL Lamp on VIN: 4F4YR12D04
This truck came in a week ago with a very low power complaint, with a P0351 for coil Primary/Secondary circuit. Spark plug electrodes were bad shape, so I replaced plugs, wires, and the coil with a new Denso unit. 20 miles later the same code came back with th... Trouble codes: P0351 (Ignition coil), P0301 (Cyl 1 misfire), P0304 (cyl 2 misfire)
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1983 Mercedes-Benz 380SL 3.8L power window VIN: WDBBA45A9D
I have replace power window fuse also new switches and window motors checked all power and grounds even replaced fuse block due to water damage but wondering if I have replaced right relay and can not find wiring diagram for vehicle anywhere I have power at re...
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1998 Mercedes-Benz ML320 3.2L door locks VIN: 4JGAB54E3W
when you push the lock position on the switch the doors unlock and lock several times and when they stop some doors are locked and some are unlocked ,I changed the main switch and rear hatch lock , same problem
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2008 Mercedes-Benz C300 4Matic Sport 3.0L Front Ujoint and flange VIN: WDDGF81X08
Hello, Thanks for your help - Hopefully I am speaking to men who have already performed this task - ? Obviously - the front propellor shaft needs to be replaced here. The son ignored the beating kinds of sounds that the front joint was making - until it brok...
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1997 Saturn SL2 1.9L Driveability VIN: 1G8ZK5275V
Thanks in advance for any insight. This car is coming to me from another shop. I have been told that it locks up after driving about 100 yards, before it does however every gear works fine to include reverse. When it is "locked up" there is no reverse just 1 f...
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2011 Subaru Impreza WRX 2.5L rear door glass VIN: JF1GR7E62B
Both rear windows on this car go down at a normal speed, btu when trying to put them back up they are very slow for the first half then they go to normal speed. if it is cold outside they barely move and I have to help them go up. I thought if I cleaned and lu...
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2000 Toyota Land Cruiser 4.7L Fit & Finish
Good evening great techs, hope everybody is doing well.The problem here with this well kept landcruiser is that the new remote control can not be programmed because the door lock actuators are all weak and I cannot actuate them 5 times within 40 seconds .I can...
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Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2007 Audi A8 Quattro L 4.2L Remote VIN: WAUMV44E97
WE PUT IN A DIFFERENT BRAND BATTERY IN ONE REMOTE BATTERY WARNING LIGHT CAME BACK ON AFTER ONE DAY OF USE SO WE PURCHASED ONE REMOTE AND SO FAR NO ISSUES. THANK YOU FOR ALL THE INPUTS.
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2004 BMW X5 3.0i 3.0L Stall VIN: 5UXFA135X4
Thanks for all the help- we found the torque converter was defective- with the new one the stall symptoms appear to have been eliminated and the vehicle actually drives better! Greg and crew
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2004 BMW 745i 4.4L window VIN: WBAGL63474
Well after removing and installing door latch assembly harness to the door module all of a sudden smoke erupted from the door module and burnt the internal IC. Removed weather barrier removed harness connector from pillar checked each and every wire for contin...
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1996 Buick Park Avenue 3.8L blower motor VIN: 1G4CW52K7T
Thank for the info. Blower was pulling 4amps did not check start up but think could have been the promblem. Decided to replace on many of you all advice. Knowledge and experience should not be ignored. Thank for super help!
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2002 Chevrolet Venture LS 3.4L No Start VIN: 1GNDX03E72
Well first and foremost thank you for all the suggestions and information. It started out with no cranking rpms on my scan tool so I installed both crank sensors to still have a no start. Afterwards I just completely bypassed my train of thought that the crank...
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2005 Chevrolet Trailblazer LS 4.2L Unknown VIN: 1GNDS13S65
hey guys first let me start by saying thanks to all who offered help with this problem , I have fixed this one and it turned out to be a ground problem the trailer tow package ground and fuel pump ground are shared found that connection was corroded cleaned it...
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2004 Chrysler Town & Country 3.3L MIL Lamp on VIN: 2CYGP44R64
yes we sent the town and country to dealer to reflash computer and it is fixed thanks to everyone yes I put a dealer 02 sensor in it first and still the light came on but it needed to be reflashed Trouble codes: P0135.
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2006 Chrysler PT Cruiser 2.4L Drive VIN: 3A4FY48B86
Alright fellas, thanks for all the replies. Those of you that mentioned wiring and broken mounts got me thinking about why it was doing it in drive only. So as soon as I could get the car back in the shop I raised it up in the air while still running. I took m...
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2004 Dodge Dakota Sport 4.7L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1D7HG38N34
FOUND NO COMPRESSION ON #2 CYLINDER, HAVENT POULLED A VALVE COVER OFF TO SEE IF ITS A BROKEN VALVE SPRING AS SOME SUGGEST. THIS WAS SOMEHOW CAUSING CYLINDERS 1,2,3,4 NOT TO FIRE AT ALL. WAITING FOR A CUSTOMER DECISION. Trouble codes: P0300 (Multiple cylinder misfire).
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2007 Dodge Caliber SXT 2.0L No Crank/No Click VIN: 1B3HB48B37
Ok,we got this thing going finally.Thanks to all IATN Members who offered help to us,Ed from Colorado & John [...] Ontario nailed It,We found 2 broken corroded wires that had broken off the ASD relay under the driver's headlamp in the fender liner area (salt zo...
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2000 Ford E-350 Econoline Club Wagon Custom 7.3L trans/hunting VIN: 1FTSS34F7Y
We fixed this one! there must be a break somewhere in the loom to the PCM. We were checking VSS voltage @ the speed sensor so it looked fine. unplugged the cluster and still acted up, that eliminated the cluster. the fix was to run two new wires and tie them i... Trouble codes: P0500.
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2010 Ford Flex SEL 3.5L HVAC Control VIN: 2FMGK5CCXA
The fix was the front cont, inf. module, or fcim. There are 4 pins at the module, ign power, ground and 2 comm lines. Ran a redundant ground first just because.., problem remained. Monitored power while driving, good. Found that if I momentarily disconnected...
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1993 Honda Civic DX 1.5L No Start VIN: 2HGEH2467P
Thanks to all you techs for your help. The fix was to replace the cap & rotor. Jeff [...], hit the nail on the head! I suspect the rotor was the chief culprit, because the cap looked good. Other suggestions were possible bad g...
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2003 Honda Pilot EX 3.5L Radio VIN: 2HKYF18533
Sorry, I thought I had closed this request weeks ago. I was able to retrieve the code by using the method spelled out by James and others. The intermittent power issue turned out to be a failing accessory power supply relay [mounted on the back side of the fu...
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2006 Hummer H3 3.5L Transmission/Transfercase VIN: 5GTDN13696
First off thanks to you who replied and offered help. Jerry, Kenneth, and Glenn all felt this was a transmission issue, we didn't feel the problem was there with the symptoms we had. Dave suggested a new transfer case motor, that was part of the replacement Tr...
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2008 Hyundai Santa Fe SE 3.3L fuel gauge VIN: 5NMSH73E38
Still not sure how system works but here is what i did, ran new pump and sub sending unit in buckets next to each other to see if it would transfer fuel, it did not .With new pump and no problems with hose or sub sending unit I reinstalled everything with the ...
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1999 Jeep Grand Cherokee Laredo 4.0L Misfire VIN: 1J4GW58S6X
Well, started a new job and took a Vacation, But I did "Fix" this Jeep. I have driven about 100 miles and so far so go. Ended up replacing many parts, that probably needed to be replaced anyway. Even though exhaust back pressure wasn't very high, less than ... Trouble codes: P0131 (o2).
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2008 Jeep Wrangler Unlimited Sahara 3.8L abs module VIN: 1J8GA59188
cUSTOMER NEVER BROUGHT THE VEHICLE BACK. MOST TECHS REPORTED THAT THE MODULE WOULD NEED TO BE CHANGED, WHICH IS WHAT THE TEST SAYS. SOME TECHS SUGGESTED FLUSHING THE BRAKE FLUID TO SEE IF THAT WOULD HELP.
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2006 Kia Sorento EX 3.5L No Start VIN: KNDJD73386
I'm going to close this out because I'm running out of time on this post. This car belongs to a used car lot and they aren't willing to pay $300 to put a new MAF on this vehicle to see if this solves the problem. If the issue is ever resolved I will update to...
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2006 Land Rover Range Rover HSE 4.4L MIL Lamp on
This is finally fixed. After smoke testing the system once again, I found a small leak at the egr valve. It seemed minor and I was not convinced so I removed it and put a solid gasket in there to plug the intake. I drove the car and the fault did not return. W... Trouble codes: P0171, P0174.
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2007 Mercedes-Benz C230 Sport 2.5L Excessive Emissions, Misfire VIN: WDBRF52H97
So guys I think this one is fixed. On friday I completed a software upgrade/reload. I had no other issues other than programmed values for pulse width in the engine control module. This made the most sense to me. I let the car sit in the ice cold temps we... Trouble codes: P0175 (Rich Bank 2), P0174 (Rich Bank 1), P0306 (Misfire 6), P0305 (Misfire 5), P0304 (Misfire 4), P0301 (Misfire 1).
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2000 Nissan Pathfinder LE 3.3L Poor Idle Quality, Surge, Cuts out VIN: JN8AR07S9Y
This bad boy is fixed!! I have to hand this to Michael from Pennsylvania - your one word reply hit it on the head. I read it first and thought, gee he didn't give much explanation to this, but it indeed was the distributor. I had smoke tested intake with no ... Trouble codes: P0505 (Idle air control system).
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2009 Nissan Quest 3.5L MIL Lamp on VIN: 5N1BV28U39
James [...] Maryland wins the prize! There is a vacuum tank for the intake air flapper valve on the side on the side of the intake. We smoke tested this vehicle several times (classic signature of a vacuum leak) and came up with nothing. The tank in question w...
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2000 Toyota Tundra SR5 4.7L MIL Lamp on VIN: 5TBRT3411Y
I was a dummy with this one. It turned out that the fix I did worked out, it was the other o2 sensor. What I was really wondering if anyone ran into this problem about rewiring o2 sensor wires. Guess they didnt.
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2005 Toyota Sienna CE 3.3L Power Sliding Door VIN: 5TDZA23C15
Thanks for the help. Kept redoing the initialization and eventually the door started working. Initialization procedure I had said to just close the door and it appears like it has to be open and closed all the way manually.
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2008 Volvo S60 2.5T 2.5L Charge Light on VIN: YV1RS59278
We decided to put a used alternator in and retest. After install the charging light was out and everything is working correctly. We're not positive that it was an OE unit but it looked like it by the numbers. I hate to shot gun parts but with the inaccessibili...
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