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Prev Professional Automotive Repair Technical Discussions for December 24, 2013
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Open Help Requests for All Makes and Models
Help Request Answers
2004 Audi A8 Quattro L 4.2L Fuel Pump VIN: WAUML44E94
We have a 2004 Audi A8 that came in on the hook after being in storage for 2 years and found no fuel pressure. Opening up the access covers above the fuel tank shows that the fuel pumps are indeed running, but the fuel lines are brittle. One was already broken...
1999 Chevrolet Express 2500 5.7L engine VIN: 1GCGG25R5X
this van came for check engine light ramdon misfires I checked misfire counter and showed misfires on number three only pulled plug and they were orig replaced them with wires cap and rotor ran smooth when started after a few seconds started running rought cha...
2002 Chevrolet Impala 3.4L injectors VIN: 2G1WF52E02
car was towed in with a no start i found the battery was grave yard dead i replaced battery started the car drove it about 3 miles parked it in front about 4 hr. went to pull it in for the night on start. It has not started sence. I have fire 59lb fuel presher...
2003 Chevrolet Tracker 2.0L Mechanical VIN: 2CNBJ13C13
tracker came in complaint would not go over 20mph after driving a while found front brakes holding on re leaving psi from bleeders free up brakes. after replacing master cyl,frt hoses,loaded calipers & rotors can not get a good brake pedal. it has a load sensi...
2006 Chevrolet Impala LT 3.9L engine VIN: 2G1WC58176
customer was driving heard a single loud noise and car died and would not restart no crank. was driving perfect with no noise at all. engine will turn by hand only to a certain point both ways and then abrupt stop. pulled starter and belt , condition the same....
2006 Dodge Ram 2500 SLT 5.7L Final drive control module VIN: 3D7KS28D46
Merry Christmas eve to all.This truck came in with a electronic throttle emblem flashing on the cluster.We found that rats or squirrels had chewed two injector connectors and the IAT connector off.After repairing the wiring we found the Final drive control mod...
2002 Ford F-350 Super Duty Lariat 7.3L Stall VIN: 1FTSW31F12
Hello and thanks for reading this request. I have a 2002 Ford F-250 pickup that our Toyota dealership sold recently. New customer states engine just quits running intermittently and won't restart for a while, but then runs fine for no particular length of time...
2003 Hyundai Accent GL 1.6L No Start VIN: KMHCG35C53
This car has no ignition. It does have injector pulse, my noid light flashes when connected to an injector connector and cranking. The check engine light is on with koeo. I am able to communicate with the control module, it shows 257 rpm when cranking, it also...
2007 Jeep Commander Overland 5.7L final drive VIN: 1J8HG682X7
Have a issue with the "service 4wd system" warning on dash. Pull codes from final drive control module. Only fault is C230a neutral indicator control circuit low. Checked all data-no information for this code. Checked on the internet, very little to no info. T...
2004 Kia Sorento EX 3.5L brake booster VIN: KNDJC733X4
Morning everyone, for all of you that have been in this business long enough to see your hair turn grey,any thoughts would be appreciated and for any one else please chime in, as we should always be looking to learn. Now lets proceed. A freind of mine brought ...
2012 Kia Optima LX 2.4L TPMS & Traction control VIN: 5XXGM4A70C
Please respond only if you are presently a KIA technician working in a KIA dealer. This is my own vehicle. There are 2 issues I am having . One is that after driving on the freeway for about 1.5 hours ( When I am going up north or coming home from my vacati...
2007 Land Rover Range Rover Sport Supercharged 4.2L hvac VIN: SALSH23497
merry christmas to every technician on the trade. This range rover is only blowing hot air to the passage side, I remove the blend door motor and move the blend door manually, and it still does not change at all, I am sure the blend door is fine on the heater...
2004 Lincoln Navigator 5.4L fuel injectors VIN: 5LMFU27R24
Under hood did catch fire briefly when cranking with fuel rail and injectors out. No damage found other than some melted plastic wire looms that have sense been repaired. I suspect a bad ECM, but why? We removed the engine, rebuilt and reinstalled, has not sta...
2007 Mazda 3 i 2.0L Poor Idle Quality VIN: LM1BK32F97
The vehicle runs rough/low idle when in drive with your foot on the brake at normal operating temp. The strange part is the rough idle only occurs when the brake light switch is activated. You can place the car in drive with the parking brake engaged and the i...
2010 Nissan Maxima S 3.5L MIL Lamp on VIN: 1N4AA5AP3A
Third visit back for check engine light on for p0011 and p0021 variation in intake timing faults. First visit we cleared the fault codes, changed the oil and put in an additive. Three months later check engine light back on-same fault codes, cleared the fault ... Trouble codes: P0011, P0021
2013 Other GM santa's 800CID navigation
Santa must have his sleigh back by Tuesday night in order to make deliveries around the world. Without navigation working he may have to postpone Christmas. I told him don't worry I know a bunch of great mechanics that will get him back in the sky in no time. ...
2004 Toyota Sienna LE 3.3L Injector Pulse VIN: 5TDBA23CX4
Vehicle was towed in, cranking no start. got the story of on cruise down the highway and it started to die and lose power till it stopped. Fuel pump will not pressure with KOEO, but Cranking it does build, occasionally slowly. Use scanner it builds 44. Chec...
2004 Volkswagen Passat GLS 1.8L Electronic VIN: WVWVD63B84
We are not real familiar with vw systems but we get a code of p0730. If it is shifted manually it shifts fine but if you just put in drive and try to go it seems like its in back up mode.we also noticed that the prndl indicator is fully lit up instead of just ...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1981 BMW 320i 1.8L Stall VIN: WBAAG3301B
After determining the engine harness, fuel pump and regulator were also changed, controled by motronic 1.3. Verified fuel pressure 38-41 psi. No ground signal supplied to airflow meter. Swapped another customer supplied ECU vehicle will now run and respond ...
2008 Buick Lucerne CXS 4.6L Abs VIN: 1G4HE57Y38
I would to thank everyone for info, I check all the connections at the YAW sensor to ABS module and both front speed sensors. Micheal talked about fretting at the ABS module, I believe this is were the problem was. I used stabilant 22 on connectors. I tighten...
2007 Chevrolet Silverado 2500 HD LT 6.6L MIL Lamp on VIN: 1GCHK23617
Thanks to all who replied. Removed the DPF sent it to a rad shop who specialized in cleaning filters. They said it was plugged, installed it. Customer says its running like a champ. Thanks again Trouble codes: P2463 (DPF soot accumulation), P244B, P244C.
2007 Dodge Nitro SLT 3.7L Reverse VIN: 1D8GU58K57
thanks for the help. found internal transmission problems & ordered a jasper reman unit & a new cooler.
2003 Ford Expedition Eddie Bauer 4.6L No shift/ no speedometer VIN: 1FMRU17W13
Hello again. The Expedition is still not fixed. I sent it to the local Ford Guru (other than us). And he went through everything we did up to and including replacing the PCM a third time. We have traced the network wires , tested modules, substituted se...
2010 Ford Ranger XL 4.0L battery VIN: 1FTKR1AE6A
Hi Techs, I had the ranger for a week and nothing happen. The driver picked it up and tell different story, he said that it start and drive 20 miles he stopped to get a coffee cameback and it wont crank. Thank you all for your time, Ric
1996 Geo Metro 1.0L Surge VIN: 2C1MR2266T
This vehicle is still not fixed. I did replace the PCM with a used one, but it didn't change anything. I could remove the vacuum hose from the MAP and it won't surge, but it also changes the idle speed, so I think it is just covering up the cause of the proble...
1999 Honda Prelude 2.2L Stall, Misfire VIN: JHMBB6241X
Wow what a head scratcher this one was. We could see the STFT's were slammed, and were looking for the cause. Big thanks to all who replied. Yes we already did all most of the suggestions with nothing changed. We finally figured out the problem. The PCV valve ... Trouble codes: P0300.
2005 Mercedes-Benz E320 4Matic 3.2L Ride Height VIN: WDBUH82J55
I was able to find the code definitions that I asked for. C1341 is RR level control valve shorted to ground. FYI C1331 is for the LR valve. My up to date VERUS, Programa, and Launch all showed the codes as manufacturers or undocumented. The issue ended up bein...
2006 Mercedes-Benz SLK350 3.5L R12/10 Front Side Air Bag VIN: WDBWK56F86
So I have to close this as a fix. The car has been fine so far with the replacement of the seat harness for the air bag and the female pins on the main body harness. Thanks for the help
2002 Nissan Altima S 2.5L Cooling Systems VIN: 1N4AL11EX2
Thanks everyone for giving me assistance on this job. It ended up being that #3 cylinder had a very small amount of coolant coming into the cylinder which means a very small amount of air would escape into the heater core. This was not enough to ever cause an ...
1994 Toyota Previa LE 2.4L Fuel system VIN: JT3AC12R6R
The fix ending up replacing two fuel cut-off valves on the top of the fuel tank. They can also be call fuel/vapor liquor separators. The canister was replace also due to raw fuel. Thanks everyone's input on this and the fix.
2000 Toyota Corolla VE 1.8L Starting VIN: 1NXBR12E8Y
thanks to those member that take their time to help me fix this vehicle thanks to Dan iwama atn member too he told me to check by disconnecting the alarm this car is fixed i just told my customer to go back to his alarm shop and take care of ...
2006 Toyota 4Runner Limited 4.7L MIL Lamp on VIN: JTEBT17R16
thanks to all. everyone pointed to timing being off. it was, by two teeth. the cams were in time but crank was off by two. we did change all the components, hydrolic tensioner and water pump when we did the timing belt. the tensioner was bad. i could push it ... Trouble codes: P0011.
2006 Volkswagen Passat 2.0T 2.0L battery drain
This car is finally fixed. I did replace the satelite radio module but it didnt fix the draw. I checked for fault codes in all modules and found one in the gateway module. It was 00470 comfort system single wire mode. I had already checked the wiring at the do...
2007 Volkswagen Touareg 3.6L MIL Lamp on VIN: WVGZE77L37
We finally got this figure out before the holiday. when we try [...] adapt. low side at 6 bar is too high when i compare [...] a different 3.6l passat. ideal you want [...] see low side around 5 bar. we pull the fuel flange out on top of... Trouble codes: P0088, P0341, P0300.
1998 Volvo S70 2.4L Excessive Emissions, Poor Idle Quality, MIL Lamp on VIN: YV1LS5579W
Customer don't want to pay for tear-down on the computer and have it send out for further checking. But I personally do believe the computer is toasted, due to the heater taking it out. Trouble codes: P0131, 212 (factory code circuit low voltage).
2008 Volvo S60 2.5T 2.5L hard start VIN: YV1RS59238
Well I do appreciate all the replies. the final fix for this was the starter. we decided to purchase a reman from Volvo. current draw decreased slightly but cranking rpm increased. again thanks to all. Trouble codes: 5000 (faulty rpm signal).
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