Automotive Technicians Technical Discussion and Fixes for Aug 14, 2015

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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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	Help Request	Answers
	2001 Audi A4 1.8L Mil VIN: WAUAC68D41 Here's an interesting one. The check engine light is flickering, is the best way I can describe it. KOEO or KOER, it's just a steady flickering. More on than off. I've checked every power and ground I can find. All other indicator lights work fine. This starte...	View
	2006 BMW 325i 3.0L Electronic VIN: WBAVB13536 Vehicle came in limp mode with code 4E87. Spoke with Autologic and the conclusion was that the mechatronic unit was bad. Replaced the transmission with a used unit and have the same code and symptoms. Does anyone have a good diagnostic process and information ...	View
	2007 BMW X5 4.8i 4.8L Misfire, MIL Lamp on VIN: 4USFE83597 hello bmw techs, have this bmw that when cold will have a cyl 5 engine miss under heavy acceleration right after start up. we have tuned it and installeed a coil with no help. once miss starts it will continue until car is turned off and restarted. have checke... Trouble codes: 29D1	View
	2008 BMW 535i 3.0L timing VIN: WBANW13538 Ok guys. Go easy on me. I admit I made a mistake by not reading all data instructions carefully before starting this job. Customer came in with a broken serpentine belt and it was pouring oil. Belt had wrapped aound crank pulley and destroyed the front seal. T...	View
	1993 Chevrolet Caprice Classic LTZ 5.7L Poor Idle Quality, Surge VIN: 1G1BL8372P Need help from the GM TBI Gods! Cust says car runs poorly, has no power and idle surges. Also has long crank time. Confirmed symptoms, it feels just like a plugged cat. He also said he had a performance computer on it and was able to "tune around the problem"...	View
	2002 Chevrolet Blazer LS 4.3L Extended crank VIN: 1GNDT13W12 Hello we have a blazer here that has me a little stumped. Truck has an extended crank after a brief sitting period or over night. Happens hot or cold, Acts like loss of fuel prime however is pressure is present under both hot and cold start. I have tested all ...	View
	2003 Chevrolet Trailblazer North Face 4.2L Air Bag Code B0041 VIN: 1GNDT13S93 This code B0041 is for the Drivers Side Deployment Loop Open. I have looked over the harnesses I can see & everything is plugged in & nothing looks corroded or like there is a poor connection. Unfortunately, Air Bag systems are not our specialty but I'd like t...	View
	2003 Chevrolet Silverado 1500 5.3L service 4x4 light on VIN: 1GCEK19T23 This truck sets a code c0306 - Motor A/B circuit malfunction about 5 seconds after you turn the key on or start it. I have tested the power inputs and have battery voltage. I have .041 voltage drop on the ground circuit. Both the encoder motor and the TCCM hav...	View
	2004 Chevrolet Impala LS 3.8L Misfire VIN: 2G1WH52K24 vehicle came in with misfire on cylinder 1 and 2. startup vehicle runs ok, as soon as you step on the gas it starts to misfire. the only thing I have not done is pull the valve cover to see if vlave spring is broken. Vehicle will stay running great as long as ... Trouble codes: P0300	View
	2007 Chrysler PT Cruiser Limited 2.4L looses power VIN: 3A4FY58B77 car have no codes of any kind when driving looses power like if throtle is not opening car idles but you can not move, .,turn car off and restart and power comes and you can drive for few min, until the same happens, something interesting happens all the time ...	View
	1996 Dodge Ram 3500 5.9L Hesitation, Surge, Cuts out, Stall, Misfire VIN: 3B7MC33CXT This TRUCK is driving me NUTS!!! Customer accidentally filled his Truck up with Gasoline 'aprox 25 gallons with aprox 15 diesel fuel' and drove about 225 miles to here at the shop, the truck was running terrible, it would idle perfect but as sone as you thrott...	View
	2007 Dodge Ram 1500 TRX4 5.7L 4x4 VIN: 1D7HU182X7 Customer complaint is that the 4x4 Low light comes on randomly. It happens at highway speeds often. He says usually it is just a couple of flashes, but has heard the transfer case (or something) attempt to shift while at speed, although it has never engaged. I...	View
	2000 Ford F-250 Super Duty Lariat 7.3L starter VIN: 1FTNX21F2Y Vehicle has a long start after sitting over night. things that have been checked. Glow plug relay working and passing current. glow plugs drawing 170 amps. oil reservoir full. no visible leaks and proper oil and viscosity. vehicle will have and extended but ...	View
	2004 Ford E-350 Super Duty 5.4L not cold VIN: 1FTSE34L34 hello this van came in with no cooling in front and rear was at 55 degrees...compressor was rattling 45 and 250 @idle...recovered freon ,pulled orfice and it covered with sludge(black death)..so i recommended compressor,acumulator,condensor,orfice(red) and exp...	View
	2005 Ford Escape Hybrid 2.3L pedal VIN: 1FMCU96H65 replaced front pads using scanner to set pads. replaced right front caliper. tried to bleed via manual directions in alldata but can't get firm pedal. goes almost to the floor. poor stopping ability.	View
	2007 GMC Envoy Denali 5.3L drivers air bag VIN: 1GKET63M47 Truck came in with air bag code B0026. Found an open in the clock spring. After replacing the clock spring code B0026 passed but now it has a B0042 code. B0026 is an open code and B0042 is for low resistance. Checked the plugs and all are ok. Thanks for any he...	View
	2008 GMC Envoy SLE 4.2L inop front vents VIN: 1GKDT13S18 Front vents do not work with Air/Heat, neither does defrost or on the floor, even when you try to put the air at lower speeds or higher nothing comes out. The Rear Air/Heat works fine on all levels. Along with the front air not blowing at all, the lights stay...	View
	2008 Infiniti FX35 3.5L No Start VIN: JNRAS08U38 The car came in with a no communication, after pin testing I found the ECM relay fuse blown. When I installed a new fuse and turned the key on to look at data with the scanner I saw smoke from under the hood and a coil had melted. When I unpluged all the coils...	View
	2008 Jaguar XJ8 4.2L Misfire, MIL Lamp on VIN: SAJWA82CX8 Check engine light,P306,308,420. Trouble codes: P0306, P0308, P0420	View
	2008 Jaguar XKR Portfolio 4.2L Pats VIN: SAJWA43C78 This vehicle will not crank.It is a push-button start system. Had numerous comm. codes. Cleared all codes and only listed ones return. PCM code U0167-00 Lost comm. with immobiliser. Cluster code B1B33-87 Target identification transfer. PCM is not allowing fuel...	View
	2008 Jeep Wrangler Sahara 3.8L A/C Switch VIN: 1J8FA54108 Good afternoon all, new customer brings his jeep in stating that sometimes the A/C request switch will not function. Scanned all modules and the only code present in any system is B10c1-A/C switch stuck on. Pulled flow chart from both Mitchell and Chrysler, bo...	View
	1990 Mazda B2200 2.2L No Start, blown engine fuse VIN: JM2UF1146L had customer tow in the truck with a crank no start. every time it is cranked the engine fuse in the dash blows. we unplugged alternator, distributor, coil, ecm, and fuel injector fuse to eliminate them from possibly blowing the 15amp fuse. needless to say it ...	View
	2004 Mazda 6 S 3.0L Rke VIN: 1YVFP82D84 The customer lost their key fobs (this car has the seperate key and key fob) a long time ago. They recently got a used one and tried to program it the car with no luck. So I've got another used fob in stock. When I tried programming them myself, the locks cyc...	View
	2005 Nissan Quest 3.5L No Start VIN: 5N1BV28U35 here i'm again looking for some help, we have this Nissan van with no pulse or spark, it was running fine but, the secondary timing change shoes was making noise, so one of the tech's took it out part mark his timing put back together, change oil crank it !!! ...	View
	2006 Nissan Maxima SL 3.5L brake lights VIN: 1N4BA41EX6 we have no brake lights and shift lock was inoperative. we repaired the pink and blue wire to the shift lock and corrected that problem but still have no brake lights. the wire diagrams on mitchell and alldata do not show the splice were the pink and blue wire...	View
	2007 Nissan Versa S 1.8L Compressor VIN: 3N1BC13E17 Hello all this is one of our shop vehicles and has been acting peculiar. When the blower motor is in position 1, 2, or 3 the a/c operates great cold and normal. When we switch to position 4 for the blower motor the a/c cuts out and never comes back on untill s...	View
	1996 Oldsmobile Cutlass Ciera 3.1L No Start Car stalled while driving & would not restart. There is spark but no injector pulse, engine will run with other fuel source. When looking at the scan tool there is crank & cam sensor signals, pulse width is 19.1 ms during cranking. I assume its that high due t... Trouble codes: P1200, P1406 (Egr pintle position circuit problem)	View
	2006 Volkswagen Passat 2.0T 2.0L Poor Idle Quality VIN: WVWAK73C46 2006 Passat towed in with a broken timing chain on back of cylinder head. had bent valves replaced at a machine shop. installed new chain, adjuster, & tensioner. Car now has a rough idle. smooths out above idle. Cam adjustment reads out of spec. MVB 91 reads 6...	View
	2006 Volkswagen Jetta Value Edition 2.5L brake pump VIN: 3VWPF81K76 to all VW gurus out there. got this Jetta that has a leaking vacuum pump. was able to take the bolts, but there is no way to get it out. the shifter stud is in the way. the only thing am thinking it will come out is to separate the trans and engine to have roo...	View
	2009 Volkswagen Routan S 3.8L Hesitation, Surge, Cuts out, Misfire, MIL Lamp on VIN: 2V8HW34189 Customer states condition happens only under heavy acceleration. Performed driving test could not duplicate problem. Perform several more driving test finally found around 4100 RPM full throttle engine starts to cut out severely check engine light comes on and... Trouble codes: P0339 (crankshaft position sensor intermittent), P1128 (closed-loop fueling not achieved bank one), P0522 (engine oil pressure sensor circuit low)	View
	2009 Volkswagen Jetta S 2.5L Poor Idle Quality, Misfire, MIL Lamp on VIN: 3VWHM71K69 Thanks for your help. We don't see many of these so any help from a vw tech or someone who knows these cars i'd be grateful. This jetta came in with the mil lamp on & running bad. I cranked it up & saw the mil light flashing along with what felt like a dead mi... Trouble codes: P0300, P0305, P130A, P0304	View
	2001 Volvo S40 1.9L MIL Lamp on I have a problem with this volvo I sold to my nephew. I bought the car with a bad engine and swapped it out with a good used engine. I found that the original engine had what looked like a brand new VVT hub (sprocket) so I swapped it on to the new engine. I kn... Trouble codes: P0015	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	1964 Buick Wildcat 6.6L brakes Thank you everyone for your inputs. We ultimately found worn out upper and lower ball joints on the left side and a collapsed brake hose on the right side. Replaced both and the problem went away. Thank you all again for your inputs.	55
	2010 Cadillac CTS Luxury 3.0L Cuts out VIN: 1G6DE5EG7A oil level was 2 qts low.changed oil . code went away.thank you for the help Trouble codes: P0011.	6
	2007 Chevrolet Cobalt LT 2.2L coolant temperature VIN: 1G1AL15F57 Thanks For All The Tips I Thought I had Coolant flow Here Timing chain Jumped of And pump wasn't running	10
	2008 Chevrolet Malibu Classic LS 2.2L air bag system VIN: 1G1ZS58F28 well thank you for your help,like as you said have to get a new one from Ford because those use that we get don't work. thank you again !!!	4
	2012 Chevrolet Impala LS 3.6L wont pass emissions VIN: 2G1WA5E38C Gentlemen thanks for the help. we cleared all memory performed idle and crank relearns. Tried to run drive trace 3 times and even on the dyno still no luck. monitored o2s closely, tried bumping eng temp with cardboard in front of the radiator. Still no go. Too...	13
	2004 Chrysler Sebring LX 2.4L MIL Lamp on VIN: 1C3EL46X14 Replaced aftermarket oxygen sensor with one from the dealer. Trouble codes: P0038 (1/2 02 sensor Circuit High), P0138 (1/2 02 sensor circuit high).	7
	2007 Ford Mustang 4.0L valve train VIN: 1ZVFT84N07 The customer wanted to take his car back without repairs and is going to monitor the noise. He is only going to use motorcraft filters from now on. If noise gets worse he will return here for engine replacement. Thanks for all the help.	9
	2005 Honda Civic LX 1.7L No Start VIN: 2HGES16515 A new "cut to fit" programmable key and program procedure took care of the issue. See explanation below. thank you, Luis, for the kind offer and suggestions. The programing software was not able to reprogram the original key, it kept giving a mes...	2
	2002 Hyundai Santa Fe GLS 2.7L Surge, MIL Lamp on VIN: KM8SC73D02 thanks to every one who replied. it was my fault system was in limp mode. the iac and tps connectors are the same and can be crossed giving you a iac code. I tested all wiring from sensors to pcm all good. removed pcm and sent it to AES modules in florida for ... Trouble codes: P0122, P1507, P1505.	14
	2013 Kia Forte EX 2.0L Misfire, MIL Lamp on VIN: KNAFU4A20D Sorry for the long wait, but wanted to make sure this one was fixed. I could not edit some of my initial data, so I want to clarify: Running compression was even across the board, not close to cranking as my data indicated. It seems we had some sort of bad c... Trouble codes: P0301 (Catayst damaging misfire).	11
	2011 Land Rover LR4 HSE 5.0L MIL Lamp on VIN: SALAK2D45B Thanks for the replys guys. This customer has not come back yet and I'm running out of time here; but I will go ahead and check air filters and clean throttle body like most suggested and post more info is the problem gets solved. Thanks again Trouble codes: P0106.	8
	2003 Lexus RX300 3.0L rear sensors VIN: JTJHF10UX3 Thank you, iATN refered me to other help requests that were dealing with the same concern. We found steering angle sensor would intermittently say steering was turned 1151 degrees which would lead the system to think that the vehicle will be going out of contr...	21
	1993 Mercedes-Benz 400SEL 4.2L No Start, Poor Idle Quality, Hesitation, Cuts out, Stall VIN: WDBGA43E9P Hello everyone! Thanks for the advice, most of you were right on the money with the distributor caps and rotors being bad. I couldn't believe it, they didn't look to be in bad condition or old for that matter, but I went with most everyone's suggestions and ... Trouble codes: 014 (TPM controller fault), 096 (Start lockout/backup lamp switch), 117 (Attempt to start with RCL locked).	11
	2001 Mercedes-Benz CLK320 3.2L convertible top VIN: WDBLK65G11 I have finally fixed this benz. I ended up buying the car from the customer, she was tired of spending money on it and when I told her I suspect the roof module, she said she wasn't willing to spend that much on it. A new module is over 1000$...Anyways, I foun...	6
	2007 Saab 9-3 Aero 2.8L MIL Lamp on VIN: YS3FH56U97 Thank you all for your insight into this issue. I owe Anders a special thank you for the education and cheat sheet on fuel pump duty cycle. With Anders help I learned how to monitor pump duty cycle with Tech 11 in snapshot/fuel system and found that my fuel p... Trouble codes: P0089 (Fuel pressure regulator performance problem).	5
	2004 Subaru Outback 2.5L compressor VIN: 4S3BH67564 thanks for the replies. customer would not authorize further diagnostic labor, they were hoping it would be under $100, but I felt we would exceed that limit	8
	1999 Volkswagen EuroVan MV 2.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: WV2MH270XX thanks for all the help people. I am glad to say that this headache is gone and back on the road. Fix turned out to be new Timing chains and bent exhaust valve in cylinder number 1. Removed trans and engine as assembly and did both upper and lower chains. Repl... Trouble codes: P0300 (random misfire), P0301 (Cylinder 1 misfire).	6

(Also Available: All, Asian, Chrysler, European, Ford, GM.)