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Prev Professional Automotive Repair Technical Discussions for February 27, 2014
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Help Request Answers
2003 Audi Allroad Quattro 2.7L Engine Crankcase VIN: WA1YD54B33
Excessive crankcase pressure. Smoking. Oil in the intercooler piping. We recently replaced the leaking turbos on this engine. Since the service which included up-dating the pcv hoses, the car will occasionally smoke due to the oil in the intake ducts. The ca...
2005 Audi A4 Quattro 3.2L No comm. w/ECU VIN: WAUDG68E55
This vehicle came in after the client tried to install a new throttle pedal and accidentally shorted the lighting circuit to ground causing all of the interior lights to fail and also causing a no crank condition. I replaced the 5amp illumination fuse and ligh...
2005 Audi A4 Quattro Avant 2.0L turbo? VIN: WAUKF68E75
Originally brought in about a month ago for excessive oil consumption and smoking from exhaust. Removed one of the intercooler hoses and close to a quart of oil poured out. Said great, turbo, replaced with dealer turbo. Car came in today with same customer com...
2008 Audi A4 Quattro 2.0L tiptronic VIN: WAUBF78E28
hello all, this audi (great!) came in today with a complaint that the paddle shifters dont work and all the steering wheel functions are inop, and the airbag light on. the airbag codes are as follows, 00588 airbag igniter drive side, 01587 airbag igniter 2 dri...
2007 BMW 530i 3.0L no crank no terminal 15 VIN: WBANE73527
Customer towed in the 530i with no start condition. Customer replaced battery with no luck of starting. Car had waterpump issue prior and customer let the car sit for 3 months. I replace the CAS module and reprogrammed, Replaced Elv, unplugged IBS and oil leve...
2003 Buick Regal GS 3.8L MIL Lamp on VIN: 2G4WF52143
This one has me a little miffed and I feel like I am likely missing some info! p1639 sets as a "hard code" as soon as its erased. Followed the diag tree. I have a solid, steady 5v. Replaced sensor as part of following Diag tree. A/c works fine and blows cold... Trouble codes: P1639
2007 Buick Lucerne CXL 3.8L battery VIN: 1G4HD57237
customer driving on highway battery light came on pulled off of highway would not start, battery dead Towed vehicle in, charged battery, no codes present, vehicle started, tested alternator 13.8 volts (pcm/ regulator set at 13.8)battery tested fine (1 week old...
2005 Chevrolet Cobalt SS 2.0L No Start VIN: 1G1AP12PX5
Car towed in for no start. My snap -on scanner will not communicate with pcm. It will communicate with bcm. Also power windows and radio just stopped working. Check all fuses and power feeds, they all seem good so far. Ignition switch?
2006 Chevrolet Trailblazer LT 4.2L thermostat VIN: 1GNDT13S86
replaced thermostat and now temp running hot and lower radiator hose staying cold not allowing circulation of antifreeze. changed thermostat again thinking it was defective and same problem. So installed waterpump and still same problem
2005 Chrysler PT Cruiser Classic 2.4L MIL Lamp on VIN: 3C4FY48B65
Anyone that can help with this would be greatly appreciated,car came in with code p0016,p0300,p0301,and [...] cam sensor,still had misfire codes,replaced ignition coil,car ran great.Delivered car to customer,she called back about 2 hours later saying c... Trouble codes: P0016, P0300, P0301, P0304
2005 Dodge Ram 1500 ST 5.7L 3rd gear VIN: 1D7HU18D25
So we got this truck, originally came in with it in limp in mode. Truck stayed in a higher gear, and had no lower gears. Scanned for codes and found P0750 for the L/R Solenoid circuit. Diagnoised it as having a l/r solenoid with high resistance. 29 ohms to be ...
2006 Dodge Caravan SE 3.3L No Start VIN: 1D4GP25R16
came in no start, no pwr to starter at start wire, checked wire harness under battery all ok. starter relay clicking and has pwr through, asd relay clicking and has proper pwr. bypast starter relay, cranks no start no inj pulse, flipped fuse panel no pwr on st...
2011 Dodge Durango Crew 3.6L Misfire VIN: 1D4RE4GG3B
Truck misfires intermittently; but has never been felt by me. Current ramped coils and injectors all looks good. customer took it to Chrysler and they told him he needs a head. Was wondering has anyone run in to this? Or any other common causes? Are heads a co... Trouble codes: P0306, P0420
1999 Ford F-250 Super Duty Lariat 6.8L 2-3 shift VIN: 1FTNX21S6X
Thanks in advance for your help. This is a ranch truck, flat bed, has never seen the pavement, is not even registered. IT HAS 4R100 trans. Vehicle came to me from a friend who owns a transmission shop. He has 30yrs experience. But not internet savy & sends his...
2000 Ford F-350 Super Duty XLT 7.3L Spedometer VIN: F1XEE48077
Speedometer will function intermittley
2006 Ford Ranger XLT 3.0L Misfire VIN: 1FTYR44U46
This ranger has a miss and P0306. We tested spark and fuel pressure, okay. Compression even at 120 psi. We smoked the intake and have smoke coming out of both valve covers with PCV system blocked off. PCV hose was full of engine oil. Looks like there is a vacu... Trouble codes: P0306, P0316
2007 Ford Edge SEL 3.5L all gears VIN: 2FMDK38C07
car came into us with complaned that would flair at time would not go into reverce at times no codes scan tool all looks ok input and output speed sensors look all ok could it be range switch
2007 Ford F-250 Super Duty XLT 5.4L MIL Lamp on VIN: 1FTNF20547
Key on B1S1 voltage reads 1.46 volts. Tried new sensor (just plugged in) reading was the same. also the same with sensor unplugged. Other 3 sensors read about .5 koeo. I backed B1S1 wire out of pcm connector, reading still 1.46v on scanner. Have decided it nee... Trouble codes: P0132 (O2 B1S1 circuit high voltage), P0172 (rich B1)
1997 GMC C1500 Sierra GT 4.3L air bag light on VIN: 1GTEC14W5V
Need to be sure air bag restraint system is working properly and air bag light remains off.
2004 GMC Sierra 2500 HD SLE 6.6L Hesitation, MIL Lamp on, Smokes and no power VIN: 1GTHC29164
this is now the second truck we have in our shop with over 300k miles and with the same exact problems. when the customer is cruising on the freeway and then needs to step on it or even getting on a on-ramp sometimes its just black smoke and no power. sets the... Trouble codes: P0401 (Insufficient EGR flow), P0101 (mass or volume air flow A circuit range/performance)
2003 Jeep Grand Cherokee Limited 4.7L parking lamps VIN: 1J8GW58J53
checked wiring from fuse box to front and reear ok no shorts found. but with switch unhooked apply power circuit breaker trips. I believe iam having either an bcm issue or possible relay. but have been unable to locate a relay for the running lights. any advis...
2000 Lincoln Town Car Signature 4.6L No Start VIN: 1LNFM82W2Y
We have a no fuel pressure condition. Jumped to conclusions and replaced fuel pump. Checked relay and fuses...Any help??? Trouble codes: P1260, U1059, B1618, B1318, B1232
2005 Mazda RX-8 1.3L outlet tem VIN: JM1FE17N75
Mazda rx8 (05), the vehicle has a problem in the heater system. it is putting out hot air (160 degrees) on the passenger side, its only putting out about 130 on the drivers side with the ac compressor unplugged, only about 90 if ac compressor is plugged in, no...
1987 Mercedes-Benz 560SL 5.6L No Start, Poor Idle Quality, Stall
Car was towed in.Customer stated the car sat for about a year due to this problem.The car will start and run perfect until it gets warm.The car will stumble and die.It will restart but will not rev up.I can spray carb cleaner in it while I am trying rev it and...
2001 Mercedes-Benz E320 3.2L Poor Idle Quality, MIL Lamp on VIN: WDBJF65JX1
Hey my euro techs ive got a 2001 mercedes e320 that wont accelerate,got code p202e-deflection of throttle valve. Code c1504-steering angle sensor not initialed, code 1041- engine control unit cannot execute torque request. Replace steering angle sensor and rei... Trouble codes: P202E, C1504 (Steering angle sensor not initialed), C1041 (Engine control unit cannot execute torque request), C1200 (Stop light switch plausibility)
2010 Mercedes-Benz Sprinter 2500 3.0L Hesitation VIN: WDZBE8CC2A
Hey, everyone. This Sprinter has a complaint of no power. I get code 11BE00 that I have info on, and numerous odd codes that I cannot find info on.(170000H, 170100H, 170200H). I was trying to "cheat" and hook my Witech up for codes/data. I punched it in as a 2... Trouble codes: 11BE0
2007 Mini Cooper S 1.6L timing VIN: WMWMF73587
Vehicle came in with miss on cylinder #3 after performing a compression test and leak down found exhaust valve leaking on that cylinder. Removed the head to find broken valve on that cylinder. Sent head to the machine shop and rebuild with all new valves and s...
2007 Nissan Frontier XE 2.5L No Start VIN: 1N6BD06T57
Hello everyone. This vehicle is giving me fits (and making me poor) as it came in with a simple blown head gasket and after doing the head job, it will not start. IT DOES HAVE SPARK! NO INJECTOR PULSE AT ANY TIME! The head was rebuilt at our local machine shop...
2002 Oldsmobile Intrigue GL 3.5L engine valley VIN: 1G3WS52H12
Hi there we have a 2002 olds intrigue with a 3.5 the engine valley under the intake manifold is full of oil I see there is a plate in the bottom of the valley but the leak is higher and running along the headgaskets im suspecting headgaskets leaking oil but wo...
2000 Pontiac Firebird 3.8L Engine Locked Up VIN: 2G2FS22K8Y
The customer had come in for a misfiring issue. He had previously had a tune up done, replaced an ignition coil, and we were to solve this misfiring issue. Everything else seemed ok, so we had recommended that the customer have his timing chain replaced due to...
2006 Porsche Boxster 2.7L temp gauge VIN: WP0CA29836
temp gauge inop/coolant light flashing (1.0 hz)after water pump replacement(from ambient temp at start up to operating temp). wiring diagrams in mitchell/alldata are to say the least lacking/archives nothing. both ECT (pid reading from ambient at start up to 1...
2003 Saab 9-3 Arc 2.0L No Start VIN: YS3FD49YX3
Car is in for a no crank problem. The ignition key (large plastic key, not blade style) will not turn to the off position, but will turn from on to start position. When in the crank position, no starter operation and no change in key position status in CIM dat... Trouble codes: B3981 (PDM missing on bus or not added.), B3700 (Stalk sw. interval not correct)
1998 Saturn SL2 1.9L Ignition Module VIN: 1G8ZK5277W
Customer came in on tow truck, no start. Turns over but does not fire. Found good fuel pressure, injector pulse, 60rpm when cranking, no spark at any ignition wire. Found 12v and 5v going to ignition module. Coil resistance 7.8 and 7.9kohm. Replaced ignition c...
2003 Saturn Vue 3.0L TCC lockup VIN: 5GZCZ63B13
This problem child came in with a bad trans.Every thing was done in a trans shop,but it didn't work right.They decided on the TCM being the problem,and customer got a used one.This Vue has been to two GM dealers to be flashed.It is AWD and the used TCM came ou...
2006 Volkswagen Jetta GLI 2.0L MIL Lamp on VIN: 3VWXJ71K56
Can anyone help me out on this 06 Jetta 2.0 turbo? It came in with no drivability complaints but had a p0171 lean code. I've replaced plenty of valve covers on the 2.5 for this, so the first thing I did was pulled the dipstick. When I did, the engine started t... Trouble codes: P0171
2008 Volkswagen Passat Komfort 2.0L oil pressure VIN: WVWLK73C88
Vehicle was in yesterday for synthetic oil change with Mobil 1 5w30 and Mann filter. Customer returned today with complaint of knocking at idle. Cell phone video indicated lifters rattling. We are assuming a lack of oil, but it was quite cold here this morning...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2004 BMW X5 4.4i 4.4L ride control VIN: 5UXFB53584
had to program this car about ten times then it work the devation is stored in the computer and not the sensor anytime a sensor is changed the truck has to be program
2007 BMW 530xi 3.0L drivers power seat VIN: WBANF73597
I would like to thank Jason ,Jay and Jeff for the help on the BMW seat switch they were all spot on in that the switch was bad and that it was a plug and play no recoding to get it to work. thanks again Duane
2007 Chevrolet Malibu LT 3.5L MIL Lamp on VIN: 1G1ZT58N27
I know a lot of you told me to use a better scan tool.The system I am currently using is snap-on verus pro,just purchased 2 months ago.I checked for exhaust restrictions,none found.I was working with local dealership,they were unable to help find cause.Before ... Trouble codes: P0174, C0561.
2008 Dodge Caliber SXT 2.0L Starter VIN: 1B3HB48B58
First of all i wish to thank the six people who responded. We tore out the inner wheel well/ fender liner and found a few corroded wires. Repaired that but still no start.Tried an ignition switch too. There were 2 relays that were added there for some reason b...
1971 Ford Mustang Mach I 5.0L Brake system VIN: 1F02F21091
Wow! The responses were fantastic. Basically it came down to several hard brake applications to burnish the new pads and shoes. The hard pedal was reduced significantly. The master cylinder, brake booster, and proportioning valves were all working as they shou...
1997 Ford Ranger XLT 4.0L Cooling Systems VIN: 1FTDR15X3V
I would like to thank each of you for taking the time to reply. It is really appreciated. The heater core flows freely and I have no indication of a head gasket issue. I can see where drilling a hole in the thermostat would increase flow and most likely work. ...
2003 Ford Focus ZTW 2.0L Brake Pedal VIN: 1FAFP36333
it was the brake booster after replacement pedal height returned to normal and hissing noise is gone.the smoke test did not seem to work idk if the pressure was not high enough to see smoke or ifc the vacuum was pulling it away.but its fixed.THANK YOU to all t...
2007 Ford Fusion SEL 3.0L Drive-axles VIN: 3FAHP08107
Wow it ended up being a wheel bearing, Thanks for the help
2002 Honda Civic EX 1.7L immobilizer VIN: 2HGES25772
Thanks to all, the fix was replacing the immobilizer unit. Even thou doing the proper diagnostic tree and having the proper power and grounds coming and going still did not work. Tales tale, if the green light does not come on the dash check bulb to see if it'...
2003 Honda Odyssey EX 3.5L 3rd gear VIN: 5FNRL18923
Thanks for the replies, Larry and Frank hit it on the head, the 3rd clutch pack was toast, the spring was broken just like they said. Rebuilt transmission and did valve body updates and all is good.
2005 Nissan Altima SE-R 3.5L oil pressure VIN: 1N4BL11E55
Hi: Thank you to everyone that responded. We removed the cam covers and found a failed cam journal. Even though it had 70 psi cold, once the oil got hot the worn journal was causing oil pressure lost. As the original complaint was an oil leak, the customer mu...
2008 Saab 9-3 2.0T 2.0L No Start VIN: YS3FB59Y48
Customer picked up car and did not want to go any further. If it returns, I will do a cold compression test on it.
2005 Toyota Corolla CE 1.8L Misfire VIN: 2T1BR32E65
The fix was finally replacing all 4 coils with oem and 4 plugs. No problem since then, thanks for all the posts which follow. "ince a rodent chewed the ckp sensor, I would check wiring between coils and pcm for damage from same source, how old are spark plugs... Trouble codes: P0351, P0352, P0353, P0354.
2008 Toyota Avalon XLS 3.5L MIL Lamp on VIN: 4T1BK36B88
Talked with customer a few times and he is very unhappy with Toyota and price of harness does not want to fix because of cost and is going to go do battle with them. He did tell me it takes a couple of weeks for problem to pop up which is new info. Want to che... Trouble codes: P2237 (a/f pumping circuit open), P2238 (a/f pumping circuit low).
2004 Volkswagen Jetta GL 2.0L Compressor VIN: 3VWRK69M84
The fix was to replace the compressor due to an open clutch coil. Almost all of the replies were on the money. I was thrown off by the lack of constant power to the compressor and didn't think to supply power to the clutch. Apparently the cooling fan module wh...
2006 Volkswagen Passat 2.0T 2.0L MIL Lamp on VIN: WVWEK73C06
Thanks Tim for the very detailed diagnostic procedure. It was the breather that attaches to the valve cover. Burnsville VW also sold me the tube from the turbo to the valve cover, this has been upgraded with a diaphragm on the end of it. Idles great and fuel t...
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