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Prev Professional Automotive Repair Technical Discussions for September 26, 2014
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Help Request Answers
2003 Audi A4 Quattro Avant 3.0L Xenon Headlights VIN: WAUVT68E13
I am sorry that I am reposting this but the customer decided to bring the car back and have it fixed. Our problem is that the headlights will start to flickering after about 5 min. Very slight but noticeable. First one than both of them will start. Can anyone ...
2008 BMW X3 3.0si 3.0L starting VIN: WBXPC93458
I pulled codes.had misfire on #1-6-2- a 2d16 i.a.t./maf code a crank-inlet cam correlation code and a 2e7c bit serial data interface code. Scanning in the immobilazing mode found out that the starter was blocked due to p/n switch failure so we ordered the prnd...
2009 Cadillac XLR Platinum 4.6L Smell VIN: 1G6YV36A09
Hi Guys, Hope someone has seen this before. Customer states gas fume smell inside and around the vehicle. Says its worse in garage after sitting overnight and doors closed. Fuel pressure test shows pressure holding at 54 psi key off. No visable leaks on line, ...
1985 Chevrolet Corvette 5.7L No Start, Cuts out, Stall VIN: 1G1YY0781F
Vehicle has been sitting for a couple of years. Has after market Clifford alarm system with remote start. Put new battery in key fob and reset alarm to allow for proper function. Charged the battery on car and vehicle will crank, start, and then shut off immed...
2004 Chevrolet Suburban 1500 LS 5.3L Starting VIN: 3GNFK16Z64
Truck will crank 50% of the time. When it does not crank I have no communication with scanner, no PRNDL indication, no voltage at starter, and no fuel pump prime. U0107a will set at times when it restarts and U1000 was on all modules when first brought in. All...
2004 Chevrolet Express 2500 LS 6.0L No Start VIN: 1GCGG29U14
Customer states the engine stalled while driving and would not restart. Could not communicate with PCM found no power at pin 16 of DLC, found cigar fuse and trailer fuse open replaced both and gained communication.Keep losing communication with PCM can only re... Trouble codes: P1626 (Anti theft system fuel enable), U1041 (Loss of EBCM communications)
2012 Chevrolet Suburban 1500 LT 5.3L Hesitation, Clunk VIN: 1GNSCJE08C
This is a very intermittent problem. Occurs about once a week. The messages "Stabiltrack: On" and "Traction Control: On" appear in the dash and the customer feels a clunk or jerk or something and then the vehicle loses power as if the traction control is kicki... Trouble codes: C0900, 00 (Device voltage too high)
2004 Chrysler Sebring Touring 2.7L Cruise VIN: 1C3EL55R64
Customer said cruise isn't working, so I hooked the Verus up and verified all the buttons are working. When you turn the key on and check the buttons through the Verus everything works fine however when you start the car you can no longer turn the cruise on, t...
2009 Dodge Grand Caravan SE 3.3L MIL Lamp on
Checked original code, had a p0404. checked all wiring had all proper readings including the 5v reference, good powers and grounds and computer control. So replace EGR valve, van came back with in a few days (100 km) with the light on again, same code reset th... Trouble codes: P0404
2000 Ford F-350 Super Duty Lariat 7.3L Gauges VIN: 1FTWW33F1Y
HELLO FELLOW TECHS This ford has a multiple problems. It will be fine for about 15 minutes most of the time. Then all gauges drop to 0. wipers quit working, power windows also. Power window relay will buzz when press in up position, but not in down. If I hold ...
2003 GMC Sierra 1500 SLE 4.3L Mode Door VIN: 1GTEC14X83
Thank you to all who are reading this! I don't know what I'm missing here. all sub systems work great independently ( control head, cable, cable with control head attached, and door mechanism, it is extremely hard to move. When I installed the new control head...
2003 Hyundai Santa Fe GLS 2.7L Cuts out VIN: KM8SC13D93
While driving engine will buck, tach will drop out and come back up in a blink of an eye then engine will act like injector timing is off. Scan values are normal. Cycle ignition and all is back to normal. Symptom is very intermittent and happens so suddenly th... Trouble codes: P0335 (crank sensor), P1372 (PCM Segment Time Acquisition Incorrect)
1999 Isuzu NPR 4.8L glo plug light blink VIN: JALC4B145X
AFter driving approximately 10 minutes the glow plug light begins blinking. I have very little service info, but what I read online ( accurate or not?) indicates that means a code stored in the engine computer. If so, how do I know what is bad? Can I flash a c...
1999 Jaguar XJ8 4.0L wont start/no dash/interior lights VIN: SAJHD1043X
This car will not start at times on a hot start. A battery was put in about a year ago. Test battery-fine. Tested all connections-fine. After a hot soak, it will act like a dead battery-no dash lights, no interior lights, will not crank over. After I checked a...
2005 Jaguar XKR 4.2L engine VIN: SAJDA41B95
problem began when the vehicle battery went dead on the customer, likely from being stored, they charged battery and then initially was cranking but would not start, but now only 1 click when turned to crank and then after a few tries stops clicking and DSC fa...
2006 Land Rover LR3 SE 4.4L emergency brake VIN: SALAE25456
When applying emergency brake vehicle makes a screeching noise at the rear wheels. When trying to release emergency brake it will not release. Have to go through a series of cycling key on and off to get release. Customer states after using e-brake the brakes ...
2004 Mazda RX-8 1.3L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: JM1FE17N64
We got this car in from a guy from out of town. He said he just lost power all of a sudden. We saw there was a random misfire. Checked all the spark and they all have good spark. Did some research on p0661 code but still not sure what the fix is. I wish I kn... Trouble codes: P0300, P0661, P0456
2000 Mercedes-Benz ML320 3.2L Engine VIN: 4JGAB54E8Y
Hello Benz techs: I have this 2000 ML 320 with a no start condition. Replaced engine/used and all necessary items, plugs, crank sensor, fuel filter etc. The engine ran for a while then died. No DTC's, and this is what i experience now. Have fuel pressure, spar...
2000 Mercedes-Benz S430 4.3L key will not turn or start VIN: WDBNG70J4Y
car sat in heavy rain for about 2 days. when customer cranked the car it started but could not get it out of park. check engine light came on along with ABS, BAS and SRS. air suspension message came on screen. she turned the car off and could not get the key t...
2006 Mercury Milan Premier 3.0L engine VIN: 3MEHM08116
This car came in with what sounded like a low battery. replaced the battery and then the it will start good but run for only about ten seconds. checked for codes and came up with U0100 no module communication. checked power + and - to ecm, all was good. help p...
2001 Nissan Frontier SE 3.3L Misfire VIN: 1N6ED27Y41
has brand new ignition wires spark plugs distributor cap rotor fuel pressure is good o2 sensors are good No vacuum leaks Trouble codes: P0300
2005 Nissan X-Trail LE 2.5L Poor Idle Quality, MIL Lamp on VIN: JN8BT08V65
this truck came whit a p0011 problem and the engine running rough another garage erased the code. one week later the truck do the same so i cleaned the cam phaser actuator and it seemned to work well. i erased the code and at that moment the truck was fine.but... Trouble codes: P0011
2009 Nissan Altima Hybrid 2.5L unknow VIN: 1N4CL21E39
problem child 2009 nissan altima 2.5l 4cyl.hybrid.brake pedal hard as a rock.visual inspection ok.scanned trouble code c1256:accumulator pressure low.c1252 motor timing long.It also takes long to start-up,customer is complaining about brake padal.I can not loc...
2001 Rolls Royce Silver Seraph 5.4L cluster VIN: SCALA61E71
Does anyone know how to reset the service light on this vehicle, we did an oil change, and while it has the BMW round connector the BMW reset tool doesn't work
2009 Smart Fortwo Passion 1.0L No Rev Intermittent VIN: WMEEJ31X79
Hi there and help, I have this 2009 Smart that is having an intermittent issue where the customer goes out to drive the car. She puts it in reverse and it acts like its in neutral. Drive seems to be fine. She had to push it backwards one day out of a parking ...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1986 BMW 325es 2.7L Poor Idle Quality VIN: WBAAB6402G
I disconnected crancase vent hose, plugged it and plugged the port it connects to. It made no difference telling me air was not leaking into the crankcase. I also tested the temp sensor and it was within specs and had no dropouts or glitches. I decarboned the ...
2007 Cadillac SRX 4.6L driver door module VIN: 1GYEE63A87
This vehicle has been repaired. If anyone ever sees a "U1500" code pertaining to the LIN buss, this code could very well be mis-information. The LIN buss recessive or "not talking" state IS 12v. The dominant or "talking" state requires the network to be pulled...
1993 Chevrolet Corvette 5.7L No Start VIN: 1G1YY33P8P
Thanks to everyone for their replies an OEM distributor fixed this car.We carefully checked all injectors,wiring and module before we replaced the distributor
2008 Chevrolet Silverado 3500 HD WT 6.6L Cooling system VIN: 1GCJK336X8
I had a lot of great info on this one. The majority said radiators and head gaskets are very common on the truck. Also makes sense to check for a transmission problem as the problem only comes to light when pulling heavy loads. Unfortunely, the customer hasn't...
2006 Dodge Charger R/T 5.7L MIL Lamp on VIN: 2B3KA53H16
The vehicle is not fixed yet but I am 99.99/100% sure I know the problem and it will be resolved after I re-assemble the engine. With no other choice I opened the timing cover. Turns out the new timing components are the issue. I first noticed the tone ring... Trouble codes: P0344 (Cam Sensor Intermitant).
2012 Ford Mustang 3.7L No Start VIN: 1ZVBP8EM7C
Well, the customer has to save up, and this is a toy, so it's just going to dry out for now. And does it smell like last weeks' socks...Good answers all, thank you. I was wrong in the first post in that along with a black IPC, the PATS was also not talking. Ea... Trouble codes: P1602.
2001 Jaguar S-Type 3.0L CATS ride control VIN: SAJDA01N41
Thanks to everyone who offered help with this problem. I went back through vehicle testing everything while incorporating the suggestions I received. All to no avail. I was not able to figure what is wrong with this vehicle. Customer now wants to convert ve...
2005 Jaguar XJ8 4.2L Front air ride suspension VIN: SAJWA79CX5
Thank you all, problem is fixed. started the car drove it a few feet forward and back, pump activated and everything is working well. thanks again for your help.
2003 Kia Sorento EX 3.5L start fuse VIN: KNDJC73383
Thank you for all the good recommendations and help. After I Re-loomed all the wiring associated with starting under the hood, and reconnected a wire holder that someone left loose after removing the timing cover (just above the alternator) there is no more in...
2002 Lexus ES300 3.0L Unknown VIN: JTHBF30G22
I called identifix and we came up with the problem was in the computer, Iam sorry for the late reply
1997 Mazda Miata 1.8L No Start VIN: JM1NA3531V
ok guys figured this out. What kept throwing me off was the crank sensor honestly its not a true crank sensor. once i actually unplugged crank sensor for a test i had the spark light still on it as i cranked it i noticed the light was still frashing i was th...
2005 Mercedes-Benz C230 Kompressor 1.8L Check Engine Light VIN: WDBRF40J75
Well this one went to the dealer. I could command all the cluster lights to come on but with the key in the on position, no MIL light. So I'm sure the wiring is OK between the PCM and the cluster. I think it was better just to let this one go.
1997 Toyota Tacoma DLX 2.4L Check Enging Light VIN: 4TANL42NXV
sorry it took so long for a response. It is fixed. replaced the ecm all is good. thanks to all that applied vary good info. couldn't find any reason for the ecm to be bad, but after the repair I had to replace the converter again because it failed. don't know ...
2007 Volkswagen Passat 2.0T 2.0L MIL Lamp on VIN: WVWAK73C47
Well I won't be a lot of help but the car is apparently fixed and has not returned with a check engine light. During testing I swapped the lambda sensor but the readings did not change and I continued testing sensors and performing resets. Since the readings a... Trouble codes: P0171.
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