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Prev Professional Automotive Repair Technical Discussions for May 31, 2014
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Open Help Requests for All Makes and Models
Help Request Answers
2006 BMW 325i 3.0L No Comms DDE VIN: WBAVC32010
Hi Everyone, This vehicle 2006 E90 320D (I couldn't pick diesel when I put in details of car ) came in on truck, non start and no comms with DDE, all other modules communicate ok.There is no engine light in dash either.I have checked all feeds main relay, ear...
1998 Chevrolet Blazer 4.3L in and out of overdrive VIN: 1GNDT13W9W
Customer brought in her blazer saying it shifts up and down at highway speeds for no reason. When you drive it, after it warms up (I havent noticed it cold) if you are driving at normal highway speeds (say 60) in overdrive at light steady throttle, it will jus...
2009 Chevrolet Traverse LT 3.6L Various warning lights pop up, engine shuts off VIN: 1GNER23D69
Customer states that various warning lights come on dash and vehicle shuts off. Radio also turns off & on while driving. Sometimes will not start. Vehicle finally gets towed in will not start. Check fault codes got various communication faults (U0140, U0151, U...
2000 Dodge Neon ES 2.0L Hesitation
have hesitation at 1500 RPM, in or out of gear, has had the same hesitation before and after rebuild, new plugs, new wires, new TPS, fuel injection service, induction service, no vacuum leaks, new 02 sensor, no change..
2001 Dodge Intrepid ES 2.7L No Start VIN: 2B3AD56JX1
Cant seem to figure this one out guys. I know these are very common for timing belts but can't seems to be sure if that's the case. I've checked my crank signal and it looks good but I don't have any signal on the cam and I've checks the ground,8 volt referenc... Trouble codes: P0700 (Trans fault present), P1391 (Intermittent loss of camp or ckp), P0240 (No cam signal at PCM)
2003 Dodge Caravan SE 2.4L No Start VIN: 1D4GP25B93
Thank you for taking the time to look at this. I have installed countless PCM's and this is the first time I have run into this problem. I installed a PCM purchased from my Dodge dealer ordered by VIN. I hooked up my DRBIII and programmed the VIN and the milea...
2008 Dodge Grand Caravan SXT 3.8L shifting VIN: 1D8HN54PX8
replaced with a used unit , did the proper fluid chart setting , cleared codes and test drove tranny never tried to shift at all , we are getting a p0731 code , it was also there before replacement , we appear to have speed sensor signal we see rpm , and speed...
1999 Ford F-150 Lariat 5.4L Mechanical VIN: 1FTRX17L1X
This truck is blowing soot and burning gas like crazy. We only can get codes B1884,B1869 and P1780 using a scanner. We had the machine work all done at a good machine shop and it makes know sense to me what I am overlooking. While using the scanner both o2 sen...
2000 Ford Windstar SE 3.8L Gear engagement, downshift VIN: 2FMDA5241Y
Hi guys, I need help with this minivan. I have no experience with transmissions nor do any repairs beyond basic fluid replacement and/or external components (VSS, OSS, TSS, DTRS). A friend asked me for help because he is planning to buy this minivan for ver...
2001 Ford F-150 XLT 4.2L Engine VIN: 1FTZX17211
Hello fellow Techs, I am missing something, but not sure where to go now. I have coolant appearing after cooldown in #1 cylinder. The engine had never overheated that I would suspect head gaskets. It had all the symptoms of the classic intake gasket failure. T...
2005 Ford Explorer XLT 4.0L Fuel Gauge VIN: 1FMDU73E45
Fellow Iatn'ers This is a weird one (atleast to us)... This explorer came in with a CEL with codes P0463. The customer was just complaining about the CEL, but it was obvious the gauge was not working either. When you first turn key to on position, the gauge ...
2005 Ford F-150 FX4 5.4L No Start
Has code p1233 from KOEO test and fuel pump is not running, truck will not start, if I jump the wires and pressurize the fuel system the truck will run for less than a minute until it looses all fuel pressure. followed flow chart from alldata it condems the FP... Trouble codes: P1233
2008 Ford Escape XLT 3.0L engine VIN: 1FMCU931X8
The vehicle had misfire on #4 cyl, replaced plugs and coils, but after it runs a while it has a slight popping noise in the throttle body and hear it in the air cleaner. Is there an issue with valves or something on these vehicles? Need help thanks to all. BOB...
2003 Nissan Xterra SE 3.3L No Start VIN: 5N1MD28Y63
Hello and HELP! I'm a confident and very experienced mechanic but I'm in deep ***. 2003 exterra with super chager. I replaced the knock sensor to fix a code. after repair it will not attempt to start, cranks and sparks but no fuel inection pulse. no comm with ...
2002 Oldsmobile Aurora 3.5L starter VIN: 1G3GR64H62
Hello techs. I have one I havnt seen before and looked in the archives and could not find similar. This 2002 olds aurora 3.5 has pk3 system and in dash ignition switch. Customer brought car in complaining of needing to jump car to get it to crank and start. Ok...
1997 Toyota 4Runner SR5 3.4L 3 incomplete I/M test monitors VIN: JT3HN86RXV
Good evening fellow enthusiasts! Well as usual, it always something; this time - this vehicle has 3 incomplete I/M test monitors: Catalyst, EVAP and Oxygen sensor. The customer drove the car to and from the city for 2 weeks - incomplete so, they left it with u...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2002 Buick Park Avenue 3.8L door lock remote VIN: 1G4CW54K32
Thanks to all 5 for the prompt replies. The vehicle is not fixed as yet,as I may have to get a different remote,but the basic question has been answered as to the correct procedure here,which will apparently require use of a Tech2. I have some different remote...
2004 Chevrolet Silverado 2500 HD 6.6L MIL Lamp on VIN: 1GCHK231X4
The 6 volt return to the ECM from the glow plug control module is reading just over 2 volts. We finally received the new control module but now the customer can't part with their truck and since IATN is screaming at me to close this that is all I can do right... Trouble codes: P0380 (Glow plug heater circuit problem).
2008 Dodge Grand Caravan SXT 3.8L Stall
I got no help with wave forms but car is fix, I wanted to make sure my timing was correct before tear down. it actually need head job, carbon built up on valves that was causing it to misfire on rear head only
1998 Ford Windstar GL 3.8L no comm VIN: 2FMDA5144W
I installed a used GEM in this. So far it has worked but can't be sure it's really fixed. Been pretty dry lately. Thanks for the responses.
2010 Ford Escape XLT 3.0L On High VIN: 1FMCV9DG5A
The fix was replacing the transducer/pressure switch on top of the drier. Everything works fine now. This is a three wire switch with 5 volts coming out of two of the wires. Don't understand how it controls the pressure as the compressor does not cycle. Though...
2005 Lexus RX330 3.3L power windows VIN: 2T2HA31U75
The PWS wire was it! I'm still not 100% sure what the function of this wire is but, I am assuming it works as follows. This is a signal wire or power up that originates in the master window switch to the individual door switches. On the known good vehicle this...
2005 Mercedes-Benz SL600 5.5L ABS Module VIN: WDBSK76F25
So this had an internal failure in the SBC Control unit and had to go to the Dealer for a new module. Thank you to all who replied. Nice job by Mercedes to total make a car un safe to drive because of an electrical issue. Hope their engineers do not get paid t...
1995 Mitsubishi Eclipse GST 2.0L No Start, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall VIN: 4A3AK54F1S
Well, I discovered that the computer in the vehicle is someone's bright idea of one that will work for the application but the plug wires and injectors have to be moved around. Even so this computer is no good. I have another computer coming and expect it wi...
1999 Volkswagen Beetle GL 2.0L shift display VIN: 3VWBC21C1X
Borrowed a scanner with VW software. apparently a lockout code for the transmission was set when the axle took out the switch. Cleared the code and all functions returned to normal. Thanks again to all who responded.
2006 Volkswagen Jetta 2.5 2.5L 2-3 hard shift VIN: 3VWRG81K36
thanks for the replies . i could not find anything wrong with the pedal sensor . i sent vehicle to the trans shop they said they pulled a code for trans temp sensor which did not show on my otc scanner they fixed it and all is well so far
2007 Volkswagen Rabbit 2.5 2.5L Noise VIN: WVWAR71K17
Customer has not returned so we haven't been able to go any further into diagnosing this noise. But to reply to a few who have replied, the brakes were fully checked over, everything was tight, nothing was missing. The noise remained whether the clutch was eng...
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