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Prev Professional Automotive Repair Technical Discussions for December 2, 2014
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Help Request Answers
1998 Audi Cabriolet 2.8L Master cyl VIN: WAUAA88G3W
I have this Audi Cabriolet that keeps loosing the brakes. The first time it came in the brakes were locking up and would not release so the first master was installed. Since then after a few months of normal operation the pedal goes to the floor and when you t...
1999 BMW 328i 2.8L MIL Lamp on VIN: WBAAM5330X
I am the 3rd tech to get this problem car, so I'm apologizing in advance for the long post. Engine was replaced with a used unit at another shop - came to our shop with a laundry list of codes - first tech found 02 sensor plugs switched along with multiple vac... Trouble codes: P1188, P1189
2005 BMW 760Li 6.0L Misfire, MIL Lamp on VIN: WBAGN83595
#4 cly is a dead miss at all times, when plugs were replaced, noted #4 was slightly darker than others. Performed intake leak test, ok. Noted a good amount of carbon on intake valves, performed de carbon. Can the valvetronic fail in a way that would only affec... Trouble codes: P0304
2011 BMW X3 xDrive28i 3.0L pad sensor plausability VIN: 5UXWX5C58B
Came in yesterday for a routine replacement of front pads and rotors. All went fine, replaced parts with OE including the pad sensor. Car was showing 450 miles past due for pad replacement. After doing the work I was able to reset the front brake pad wear wh...
2011 BMW X6 xDrive35i 3.0L Hesitation, Surge, Cuts out VIN: WBAFG2102B
Hi, bimmer and euro techs, this car first time came in the shop yesterday. The owner told us he encounters engine dies several times every day no matter the engine is hot or cold. It occures at parking lot when he doesn't touch the gas pedal but turns the stee...
2003 Cadillac Seville STS 4.6L MIL Lamp on VIN: 1G6KY54963
What am I overlooking with this caddy. Car sets P0300 after a few minutes of driving. When I watch the misfire counters all cylinders clock misfires between 1800 and 3000 RPM's. The engine is not misfiring but the counters are counting up on all cylinders. The... Trouble codes: P0300 (Random cylinder misfire)
2005 Cadillac STS 4.6L Oil Leak VIN: 1G6DC67A25
Hello to all. I need advice on this caddy. We did valve cover gaskets earlier this year and now it is leaking out of bell housing area. I have done some reading in the archives and online and was wondering if this leak is rear main (it call for 12 hours in all...
2003 Chevrolet Silverado 2500 HD 6.6L Allison Transmission VIN: 1GCHK29163
The transmission shifts hard into reverse. The check engine light is on with 3 transmission codes. P0841- trans pressure switch solenoid c stuck off, P0843- Trans pressure switch solenoid c circuit high, and P0875- trans pressure switch reverse circuit. I went...
2009 Chevrolet Express 2500 6.0L Cam Locating pin VIN: 1GAGG25K89
This vehicle was towed in with a no- start complaint. After checking all basic we pulled front cover to check for sheared cam pin and found that it is sheared and also has bent valves. There is a GM PI ([...])on this problem and they say to replace engine. ...
2007 Chrysler Pacifica Touring 4.0L Fuel Cap Light VIN: 2A8GM68X17
This car keeps resetting the fuel cap light. I'm assuming it has a gross EVAP leak somewhere but we can't locate it. We tried the fuel cap just to make sure that was ok. Smoke tested the system and couldn't find anything. Is there something common on these car...
1999 Dodge Ram 2500 5.9L Quick shift from 2nd to 3rd VIN: 3B7KF2369X
Hi All, Thanks in advance. This truck came in for a shifting problem from 2nd to 3rd. It starts out in 1st and then goes to 2nd gear and quickly shifts to 2nd to third. It doesn't stay in 2nd gear as long as it should. Fluid was burnt. Thank you, Mark
2005 Dodge Ram 1500 ST 5.7L cylinder 1 misfire VIN: 1D7HA18D75
Hey guys, new member here. I have this 05 Ram that is driving us nuts! Keeps coming up with cylinder 1 misfire (p0301). I've gone through all the tests, and come up with nothing. Watching misfire counter, cylinder 1 starts misfiring under load fairly consisten...
2008 Dodge Charger SE 2.7L Mechanical VIN: 2B3KA43R08
Evening all. Need a little help with this Dodge. It came in with a no shift and codes p1745 and p0869. After checking the basics and clearing the codes, P1745 wouldn't clear and the trans stayed in limp mode. I cleared the transmission learned values and clear...
1991 Ford F-150 Custom 4.9L Clutch VIN: 2FTDF15Y5M
After warm-up truck will set egr codes p0322 and p0558. Sets before leaving parking lot. Solenoid has manifold vacuum on one side but nothing on egr side. Driven truck with gauge inside but nil. All ports are clear and parts oe. Any suggestions! thank.
1994 Ford F-250 XL 7.5L abs and brake lights VIN: 1FTHX26G5R
thank you all in advance, this one is not normal to me . the abs and brake warning lights will come on after driving 3-4 miles with many stops ,no codes set in memory except 16 for normal operation. a test of the rear wss showed bad . after replacement no chan...
1995 Ford Thunderbird LX 4.6L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire VIN: 1FALP62WXS
Vehicle barely made it into shop. When warmed up you could not accelerate. Bogging down, popping through the intake. May or may not take off if you depressed pedal slowly. Vehicle runs great when first started and will run even when hot on the highway. Getting... Trouble codes: 1407 (EGR no vacume/flow)
2004 Ford F-150 FX4 5.4L MIL Lamp on VIN: 1FTPX14584
Help Ford techs! This f150 came in with p0340 and p0345- based on testing we found both cam solenoids sticking and vvts malfunctioning. we verified good engine oil pressure and proceeded with repairs. we replaced guides (one was broken)- cam chain, vvt assembl...
2006 Ford F-150 XLT 4.6L lower intake VIN: 1FTRF12W46
customer called up with this strange story, starter quit, he removes the starter but its getting late so he puts it back on{?}, he tries to start it again and there is a loud BOOM.Now coolant is leaking out.Tows it in, the lower plastic part of the intake is e...
2006 Ford F-250 Super Duty XLT 6.0L No Start, Cuts out VIN: 1FTSW21P56
Thanks for any help in advance. I have a no start hot/ extended crank cold problem. Pulled valve covers and checked teh dummy plugs and they appear to be just fine. Hooked air to oil log with ipr closed and i dont have any noticable air leak from either side (...
2010 Ford F-150 FX4 5.4L No Start VIN: 1FTFW1EV6A
No start when cold takes a while to get it to start, fuel pressure bounce.
2010 Ford E-450 Super Duty 6.0L Excessive Emissions, MIL Lamp on VIN: 1FDFE4FP5A
Thanks for your help. I do have experience with 6.0's, a lot unfortunately, but am having trouble with this bus. About every 2-3k miles, the egr valve gets stuck open with a piece of carbon. I have ran the wynn's system cleaning 3 times, and replaced the valve... Trouble codes: P1335 (Egr valve-closed voltage/position out of range)
2010 Ford F-250 Super Duty Harley-Davidson Edition 6.4L Automatic Hub VIN: 1FTSW2BR7A
OK he we go. This trucks automatic hubs are inop. The front differential solenoid has good vacuum to it. This is the newer 3 wire style solenoid. Power is good to the solenoid. When the truck first started in 2wd there is no gound signal to either vent or appl...
2001 GMC C7500 Topkick C7H042 8.1L Engine VIN: 1GDJ7H1E11
Truck is used for seasonal work (i.e. salt spreading) Truck ran fine all day, parked over night in heated shop. Two days later, went to move truck outside, discovered No-Start. I have checked all fuses and relays, all seem to be working fine. I am newer to the...
2005 GMC Yukon XL 1500 SLT 5.3L dome lights and reverse lights VIN: 1GKFK16Z35
Truck came in with no dome lights or reverse lights. A co-worker found TBC "B" fuse blown. He replaced that fuse and both reverse bulb. Operation was normal for two day then the fuse blow again. I checked the circuits and found no problem. so I replaced and re...
2006 Honda Odyssey EX 3.5L Mechanical VIN: 5FNRL38776
Van has a knocking noise on cold start up. I adjusted valves with no help. The noise dosent sound like it coming from the timming cover area. As if a tensioner would b bad. The noiseis the loudest right in the exhaust where it y's toghter under the oil pan. I ...
2009 Honda Pilot EX-L 3.5L rocker arm adjustment VIN: 5FNYF48569
Hey, guys hope someone has some advice for me. I'm doing a valve clearance adjustment on this truck, something I've done to this model several times but this one is a bit newer, and the first with VVT I have encountered. I have the first cylinder lined up and ...
2005 Jeep Liberty Limited 2.8L fuel injector VIN: 1J8GL58525
number 4 fuel injector wont hold compression for more than 10 minuets with a new copper gasket and o ring. keeps blowing out injector seal.
2005 Mercedes-Benz E320 3.2L esp control error VIN: WDB2110562
When going around a round about,the brakes come on at the same time as triangle flashing on the dash.I have changed yaw rate sensor under drivers seat. same issue with new sensor, is there another sensor some where we can not see causing fault? wheel alignment...
2004 Mercury Grand Marquis LS 4.6L Poor Idle Quality, Hesitation, Surge, Cuts out, Misfire VIN: 2MEHM75W94
This car is a head scratcher. Has a very slight misfire. Mostly feel it under load. Very intermittent. And it doesnt feel very harsh. Just a slight mis every now and then. Seems to do it under light load. I can barely get it to act up under a light power brake...
1987 Nissan Pathfinder SE 3.0L Excessive Emissions, Surge, Cuts out, Stall VIN: JN8HD16Y3H
Thanks in advance for your time. Vehicle came in with bad surge at cruise, and surge and stalling at idle. Feels like its going into failsafe mode. Occasionally it runs great, but most of the time has problem. Cold/hot doesn't matter. Wiggled all wires, pounde... Trouble codes: 44 (testing and results)
2011 Saab 9-5 Turbo4 2.0L Clutch VIN: YS3GN4MR8B
Towed in clutch slips-car wont barely move-alldata shows special tool to compress and center clutch to remove and install-anyone done a clutch replacement-is this tool needed?the local two dealers dont have tool and havent changed a clutch.also only part avail...
2003 Toyota Sienna CE 3.0L MIL Lamp on VIN: 4T3ZF19CX3
Greetings Fellow Techs. Thanks in advance for your willingness to help/provide insight. The story - this old (240K miles) Sienna starting popping a P0420 code approx every couple of months over the last year. It's been working all these years with the original... Trouble codes: P0420 (Bank 1 Catalytic Converter Efficiency Below Threshold)
2003 Volkswagen Beetle GLS 2.0L Pan gasket VIN: 3VWCK21CX3
We have this Volkswagen here. It came in with erratic shifting and delayed engagement. We dropped the pan and had found the filter had fallen out of the valve body. Put in a new filter and replaced the gasket. Came back in today with a leak so we replaced the ...
2005 Volkswagen Passat GLS 2.0L Cuts out VIN: WVWCE63B85
hello everyone, Let me first state that I by no means am a VW guy. I have a very strong backround on Cummins diesels but very limited on VW. I was at a dealer for 18 years and serviced all makes and models for the car lot, but seldom got VW diesels. I left th... Trouble codes: P0304
2006 Volkswagen Golf GLS TDI 1.9L powertrain data bus VIN: WVWZZZ1KZ6
car came in to us with intermitant stopping fault .found fault code p1648 powertrain data bus fault in engine ecu & all other powertrain systems ,checked all fuese & relays .checked all earths & than got it to fail for a period so i then checke measure blocks ...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2005 BMW 745Li 4.4L Abs VIN: WBAGN63545
I haven't had an opportunity to try any procedures since I submitted the help request. The customer has not returned and because we have been so busy he was the furthest thing from my mind. I will give him a call and see if he wants to proceed and I can try to...
2004 Chevrolet Suburban 1500 LS 5.3L guages VIN: 1GNFK16T94
thanks for all your great replies. I went after body control module and found aftermarket alarm wired into b.c.m.I removed alarm and refit connectors @ b.c.m.added dieletric grease to connectors.and all is well.cust.verified working great.thanks again.Bill
2007 Chevrolet Silverado 3500 Classic LS 6.6L MIL Lamp on VIN: 1GCJK33D27
Hello to all hope all are well.This truck is fixed,man what a job,the turbo can be done from up top.I have became very intimate with mostly all orfices that 1 man can get close to from lying on his stomach\chest.The truck and I are still courting,hopefully we ... Trouble codes: P003A, P0045.
2012 Chevrolet Cruze LTZ 1.4L turbo VIN: 1G1PH5SC6C
I replace the turbo and a plastic oil return line, this line was burned because the turbo stock and overheat, I get new pars from dealer no cheap but it work
2007 Dodge Caliber SXT 2.0L Transmission VIN: 1B3HB48B87
Thanks to all that replied. Although it appears that you can transfer the module and get away without reprogramming our vehicle had not had any of the TCM or PCM updates done to it. We were lucky to have a factory trained tech available with all the updated so...
2007 Ford F-150 XLT 5.4L alternator VIN: 1FTPW14V87
Thanks for the help guys. A Motorcraft alternator solved the problem. Customer has had the truck for a couple weeks now with no problems.
2003 GMC Sierra 2500 HD SLE 6.6L Transmission VIN: 1GTHC29123
Installed a new TCM, reflashed to proper calibrations and vehicle is doing fine.
1996 Mercedes-Benz SL500 5.0L Unknown VIN: WDBFA67FXT
We went through the rear cv shafts thinking they might be binding up and causing the skip but they were all good. Went through the alignment again and found everything right where it should be. The symptoms were happening only when the tires were cold. The ...
1955 Mercury Monterey 4.8L Rear dome lights
Thank You for all the replies. At this point in time, both the lights are still working. Explained to the customer that there were no guarantees that they would not break upon trying to remove them. He is going to try and find some replacements and we will go ...
2005 Mini Cooper 1.6L shifting VIN: WMWRC33445
Replaced shifter all ok now.kinda took a shot in dark at this 1,was scary shifter not cheap
2008 Nissan Sentra SL 2.0L Airbag VIN: 3N1AB61E58
Thanks for all the replies. After our diag. which we installed a resistor in the connector under the seat we narrowed it down to a faulty bag in the seat. The customer optioned for the whole seat vs just the bag. We replaced the seat back assembly and re-set ...
2011 Nissan 370Z Nismo 3.7L won't accelerate VIN: JN1AZ4EHXB
Wanted to leave an update. Vehicle was towed to Stillen to have them re-map the software. Customer wanted to have them try to re-map the computer to see if that would help. Trouble codes: P643.
1993 Oldsmobile Cutlass Ciera SL 3.3L Stall VIN: 1G3AM53N5P
I tried my best to recreate the stalling complaint as described by the customer but was never able to duplicate the fault while driving. When I got the car initially, I was expecting a lock-up torque converter issue, but didn't make it out of the bay when it s... Trouble codes: 15 (Coolant sensor), 16 (High Battery Voltage), 21 (TPS Circuit), 43 (EST Malfunction).
1998 Pontiac Sunfire GT 2.4L start and stall VIN: 1G2JD12TXW
ok guyes there was two problemr with this one the engine im assuming was changed because of the start and stall then the other shop decided it was the theft system when i got it i did repair some wires and replace the lock cyl the rest of the story was the con...
1999 Pontiac Grand Am SE 2.4L Poor Idle Quality, Hesitation, Cuts out, Stall, Engine Dies VIN: 1G2NE52T2X
I apparently overlooked the MAP Sensor on this vehicle. Thanks to all that reminded me. After checking the hose and finding a crack, I replaced the hose. This however didn't change my problem. I checked for 5v reference voltage and ground, both checked good. ...
2006 Pontiac Torrent 3.4L Temp Blend Door VIN: 2CKDL63F26
Well this project from hell is finally finished. What should have been an easy fix using the kit was not. Unfortunately, the way my shaft broke it split diagonally across the shaft including splitting up to the coupling at the actuator. When the temp was chang...
1977 Porsche 911 S 2.7L Excessive Emissions VIN: 9117201516
I did get this car to pass by adjusting the fuel, idle and timing as I have done in the past. I am going to upgrade this vehicle's fuel control system within the year, As the customer will most likely do it. If this happens, I will post another help request a...
2005 Saab 9-3 Arc 2.0L Battery VIN: YS3FD79Y95
Sorry for the late update but the car is still not fixed. The draw is gone if any part of the audio system is removed. The cd player, the main radio, and amp, the display, etc. Because they are all linked by the fiber optics,unplugging any of them, stops the c...
2009 Subaru Tribeca 3.6L engine VIN: 4S4WX91D69
Just as all of you who answered said it was a faulty oil pressure switch. It was leaking slowly and we started looking elsewhere needlessly overcomplicating a simple job. Thank you and Merry Christmas to all.
1997 Volkswagen Cabrio 2.0L starter VIN: 3VWAA81E4V
suspect issue to be in wiring,customer did not wish to spend any more $.Car left without repair.had a push button switch already in place(had been this way for awhile before bringing in for repairs)cust. reconnected push button switch to operate vehicle
2010 Volkswagen Tiguan Comfortline 2.0L No Start
thanks to every one for your help tricky one this has been removed injectors & found roller rockers on exhaust cam broke ond of lifters ,replaced all lifters & rockers & starts & runs fine suspect other work shop damaged due to incorrect timing cheers kurt Trouble codes: P1603 (Internal control module failed self test).
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