Automotive Technicians Technical Discussion and Fixes for Aug 8, 2013

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	Help Request	Answers
	2007 Audi A6 Quattro 3.2L MIL Lamp on VIN: WAUKH74FX7 Hello to all, to the Audi experts i need your help. We have a 2007 A6 that will set a P0341 without the engine running. In testing we have discovered that pin #2 does not have the 12 volts that it is supposed to have, instead, we are getting readings of 4.6-4.... Trouble codes: P0341 (Cam sensor implausible signal)	View
	2003 BMW X5 3.0i 3.0L Ride Hight VIN: 5UXFA53593 Two weeks go I get a phone call saying that the car has done it again. He drives it to me which he is 25 miles from my shop. I try talking him into a tow but you know how everybody thinks tow trucks are scary HAHAHA. We scan the car an seen there was a ride he...	View
	2006 BMW 525xi 3.0L Misfire VIN: WBANF33556 Hello all, loosing my shirt on this one. First this is a VARIABLE LIFT 2.5. IT NOT THE 3.0. Vehicle came in dead with jumped timing. He lost oil pressure while driving, severe leak at oil filter adapter and had serpentine belt in oil pan and wound up in timing...	View
	1998 Chevrolet K1500 Cheyenne 5.7L Compression VIN: 2GCEK19R3W Installed new water road tested to make sure no leaks within a mile starts missing bad Cylinder 5 and 7 5 is a dead miss pulled plugs cylinder 1 3 and 7 around 150 7 is around 30lbs? did fuel injector drop test seems good pulled valve cover after talking to cu...	View
	1999 Chevrolet Astro 4.3L Excessive Emissions VIN: 1GCDM19W2X I need some help.The van working ok.No code.Just cat is not ready for test.All outher systems are ready.I replaced cat and clear the code.Customer drove van for 3 monts .System are not ready.We replace thermostat and rear O2 sensor but noting beter.Thanks for ...	View
	1999 Chevrolet Silverado 2500 6.0L Poor Idle Quality VIN: 1GCFC29U6X Pickup came in for a hard start and rough running. Checked fuel pressure regulator first thing (and many times since) clean and dry. Found fuel pressure bleeding off and slow to build fuel pressure, replaced pump. Hard start problem solved. Sometimes when star...	View
	2004 Chevrolet Silverado 3500 LS 6.6L Hesitation, MIL Lamp on, Low power VIN: 1GBJC34254 Well this one has me stumped, truck is a 2004.5 lly duramax that came in for low power for a long time. Not for shure how long, and check engine light on.It had p0046 and p2563 could not command any movement of boost solenoid or vps with my tech 2. pulled boos... Trouble codes: P0046 (Turbocharger boost control position performance)	View
	2005 Chevrolet Malibu 2.2L Cuts out, Misfire VIN: 1G1ZS52F85 Vehicle idles smooth, has lack of power accelerating (no misfires) until 4000 rpm where it wont rev any higher and cuts out randomly misfiring on all cylinders. CEL starts flashing catalyst damaging until you let off throttle and light goes off and car returns... Trouble codes: P0300 (Multiple random missfire)	View
	2006 Chevrolet Impala LT 3.5L lost com with bcm VIN: 2G1WT55K76 car came in as a no start no crank checked for codes and found uo 140 lost communication with bcm and po 615 starter relay control circuit I pulled starter relay and installed relay tester and if I jump the relay I can get it to crank checked all fuses and the...	View
	2002 Chrysler Sebring LX 2.4L Poor Idle Quality VIN: 1C3EL46X82 customer complaint rough idle replace spark plugs and igntion wirer set idles has small miss fire but accleration is okay	View
	2006 Chrysler 300 C 5.7L No Start, MIL Lamp on VIN: 2C3KA63H66 Customer brought car in stating that the car ran hot and now it will not start. so we charged the battery and tried to start the car it drags when trying to start so we pulled the codes and we have a active code of PO520 OIL PRESSUER SENSOR CIRCUIT LOW nd 3 ot... Trouble codes: P0520 (engine oil pressuer sensor circuit low), P0522 (Same as above), P2172 (high ari flow vacuum leak), P0117 (engine coolant temp sensor low)	View
	2007 Dodge Ram 2500 Laramie 6.7L No Start Dodge diesel Cummins techs, The shop called me in because this vehicle will not start. Came in for light body work, (was hit in the rear). Vehicle was running, very poorly, and the final time they moved it, it stalled and has remained dead ever since. Fuel pr... Trouble codes: P1451 (DPF filter), P0505 (Idle control)	View
	1997 Ford E-250 Econoline XL 4.2L MIL Lamp on VIN: 1FTFE242XV speedo works and computer is seeing vehicle speed. takes about 4 miles and resets light Trouble codes: P0500 (vss malfunction speedo works and scan tool shows MPH)	View
	1998 Ford Ranger Splash 3.0L Poor Idle Quality, High idle VIN: 1FTYR11U5W Brothers in arms, this truck will idle as high as 3000rpm when driving, coming to a light and depress the clutch and idle can range from 2000 to 3000 rpm. changed tps, iac, cleaned throttle body, no vacum leaks and calibrated computer. Scanner shows all is wor...	View
	1998 Ford F-150 XL 4.2L MIL Lamp on VIN: 1FTZF1722W Originally other tech had two plug wires crossed and dpfe not seated all the way in. Fixed those concerns, now it still has p0155 and p0135. Cleared codes, they come right back. Inspected wiring, no pinched or questionalbe wiring, unplugged both sensors,codes ... Trouble codes: P0155, P0135	View
	2005 Ford Freestar SEL 4.2L Lighting VIN: 2FMDA52215 The van was hit hard down the left side,from fender to rear panel. Costumer complained the interior lights would come on out of the blue. Also the cluster odomoter stopped lighting. He said it came back on twice then stopped altogether. We checked for loose co...	View
	2005 GMC Sierra 2500 HD SLE 8.1L timing chain VIN: 1GTHK23G95 Need help from GM guys, this 8100 is getting a complete rebuild and we were installing the timing chain and new gears but when there installed there's a tremendous amount of slack compared to other previous engines. this is a roller type chain kinda beefy, was...	View
	2002 Hyundai Santa Fe GLS 2.7L "G" Sensor VIN: KM8SC73D92 if anyone has a diagnostic chart please let me know where I can get it please thanks or where to go from here	View
	2000 Infiniti G20 2.0L immu VIN: JNKCP11A5Y can't IMMU out of lock mode	View
	1993 Isuzu Rodeo LS 3.2L Hesitation, Surge, Cuts out VIN: 4S2CY58V9P Vehicle came in with a faulty fuel pump (verified by fuel system tests and physical examination of pump, filter, and inside of fuel tank) which was causing the vehicle to go into a cycling loop as if the vehicle was bouncing off the rev limiter. After replacin...	View
	2002 Isuzu Axiom 3.5L HVAC control VIN: 4S2DF58X22 We have no HVAC function on this Axiom, display just blinks, no blower operation. System will enter self diagnosis, however no faults are evident, power & ground supply check okay. Any help would be appreciated, thanks in advance, Mark.	View
	2004 Kia Sedona EX 3.5L Front Brakes VIN: KNDUP13164 Replaced pads and rotors like normal. Fluid was good, clean and newer. Test drove and pedal is spongy. Tech that replaced the brakes said normal pad and rotor change. Customer drove vehicle and also said pedal was spongy. Rear brakes were not touched. No ABS c...	View
	2006 Mazda 6 Mazdaspeed 2.3L No Start Came in running poorly at idle and long crank times intermittently. Checked for codes and none found. Checked TSBs and found a carbon problem for these. Disconnected the tank line behind engine (one blue and one red)hooked up motorvac to engine before high pre...	View
	2002 Nissan Altima 2.5L Poor Fuel Economy VIN: 1N4AL11D82 NO CODES Reading OX sensor .. MY QUESTION IS : INSTALLING A NEW THROTTLE ASSEMBLY))DO I HAVE TO REPROGRAM THE VEHILCE??? Did not find any notes on Alldata, Mitchell etc	View
	2004 Nissan Altima SE 3.5L Engine Performance VIN: 1N4BL11D34 Vehicle came in with cylinder misfire and a rattle noise in the chain case area towards bank 1 cam sprocket area at the rear of the engine. There was definite misfire at cold idle and the check engine light is on. The codes are P0300 misfire, P0011 B1 A-cam p...	View
	1998 Oldsmobile Aurora 4.0L dash lights VIN: 1G3GR62C0W Greetings. When you turn headlights on,either by headlight switch or twilight sentinal turning them on, the lights in radio, heater control panel, etc go out. As soon as you turn headlights off, they come back on. Previous shop replaced headlight switch and pa...	View
	2006 Pontiac Torrent 3.4L tailights,instrment panel lights VIN: 2CKDL73F36 Hello all, just trying to get information on this vehicle.The problem is instrument panel,heater/radio control ,tailights and park lights none of them worked.I thought its just simple as replacing a blown fuse,all fuse are good.Can anybody guide me where to st...	View
	2002 Saab 9-3 SE 2.0L Brakes VIN: YS3DF78K82 Saab experts i need some help, customer complains that vehicle is hard to stop, takes excessive brake pedal pressure to stop. No apparent brake booster leaks(tested with vaccuum pump)also pumped with car off to de-pressurize held brake & started engine-pedal d...	View
	1999 Toyota Avalon XL 3.0L MIL Lamp on VIN: 4T1BF18B5X Cars comes in for check engine light on code po446 evap vent circuit check all vacuum hoses ok. Check canister ok leak down smoke test ok power ground checks ok vsv check ok i pressure test with my scanner and vsv clicks on and off it hold pressure ok i remove... Trouble codes: P0446	View
	2001 Toyota Tacoma DLX 3.4L horn VIN: 5TEWN72N11 Good afternoon, This Tacoma would honk the horn whenever the key was put in. The customer said just touching the key to the lock would honk the horn. I seemed to have to push in a little ways to work the key buzzer switch (it doesn't have to be metal, an insul...	View
	2000 Volkswagen Passat GLS 1.8L Poor Idle Quality, Surge, Misfire VIN: WVWMA23B1Y Customer complaining that the SES light is on, car stalls sometimes and running really bad when first started. Pulled the listed codes. Started car and when AIR pump is running the idle surges, there is what sounds like small backfiring in the air cleaner, and... Trouble codes: P0134 (O2 sensor bank 1 sensor 1 no activity), P3003, P0411 (Secondary air injection incorrect flow detected), P1136 (Fuel trim bank 1 too lean), P1545 (Throttle valve controller malfunction)	View
	2001 Volkswagen Jetta GLS 1.8L MIL Lamp on VIN: 3VWSC29M91 We got a vw in from a used car dealer. The vehicle was originally equipped with an automatic transmission. It now has a manual 5 speed. The problem is an ecm trouble code: 18034 / P1626 (powertrain data bus missing message from tcu). I am unable to find the pr...	View
	2003 Volkswagen Passat W8 4.0L leakage VIN: WVWUK63B73 Owner bought this car used. Overall, it is in very good shape. There was an oil leak from bell housing area at the time of purchase-buyer knew of the leak. First thought was rear engine seal, but we determined it was transmission fluid. Pulled transaxle, repla...	View
	2003 Volkswagen Passat GL 2.8L Brake lights VIN: WVWRH63B63 VW Techs Got this passat and the brake lights are stuck on. Was wondering if there is something in the wiring diagrams I am missing fro alldata. I have the stop lamp switch disconnected and also the wiring connector in the a-pillar disconnected with no change....	View
	2004 Volkswagen Beetle GLS 1.8L convertible VIN: 3VWCD31Y54 The convertible top went down in the am and would not go back up. Scanned individual module with Vag-com and no communication with the top control module. Ran a full scan on the vehicle and no faults showed up. Checked circiut breakers at the relay panel-ok. C...	View
	2001 Volvo S60 2.4T 2.4L battery discharged VIN: YV1RS53DX1 Hi Volvo Techs, We have a 2001 s60 here that has a battery drain over night. Battery tested good when vehicle arrived after jump start and driven in. Found pulsing .745-.865 volt parasitic draw and could hear steady clicking sound from inside r.f. door with k...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	1998 Audi Cabriolet 2.8L temp gauge VIN: WAUAA88G4W Well after scanning and wire tracing I found that computer was getting needed info and all wires were good with good continuity. I advised the customer it needed a cluster to repair the temperature gauge and she stated she would drive it awhile. I advised it c...	10
	2006 Audi A6 3.2L Mmi VIN: WAUDH74F56 This is considered a partial fix.I coded phone controller. All fiber optics cleared tests. I still have loss of controls on mmi controller. I wonder if mmi controller got wet? Thanks for the help. Nate	3
	2003 BMW X5 3.0i 3.0L Altenator VIN: 5UXFA53523 THANKS TO ALL WHO REPLIED,AND A SPECIAL THANKS TO LOUIS BERSTIEN,FOR CALLING ME AND GIVING ALOT OF GOOD INFO ON STARTING AND CHARGING SYSTEMS,THE PROBLEM WAS THE GROUND CABLE ON THE PASSENGER FRAME BY THE ENGINE MOUNT WAS BROKEN IN HALF FIXED CABLE AND NOW I H...	11
	2003 Chevrolet Tahoe LS 5.3L Instr Cluster VIN: 1GNEK13T13 Thanks to all that responded!! The suggested fixes were pretty much split down the middle...Instrument Cluster and Ignition Switch. We pulled the cluster out again and found that if we pushed on the back in just the right spot we could get it to come back to l...	27
	2003 Chevrolet Suburban 1500 LS 5.3L App-Tps VIN: 3GNFK16Z43 Customer called,she made it 30 miles before CEL came on and reduced power message appeared,,,I'll re-post next week when she brings it back..ugh...	6
	2003 Chevrolet S10 2.2L Misfire VIN: 1GCCS14H73 First off thank you for all the replies. I decided to chase the mechanical side of this as I felt I had covered the electrical side. Did a running compression test on cylinder #3 and it went from 120psi to about 30psi in a few seconds. Couldn't do the other cy... Trouble codes: P0303.	29
	2007 Chevrolet Aveo LS 1.6L Engine oil VIN: KL1TD56617 A big thanks to all who responded,this baby is fixed. With so many products on the market and so many choices sometimes it's hard to figure out what to use. The majority of the replies mentioned loc-tite so that is what we went with. The reply that helped the ...	10
	2009 Chevrolet Tahoe LTZ 5.3L cruise control, radio controls, bluetooth VIN: 1GNFC33009 I ordered a new clockspring as the customer asked since we tested and researched and all the replies yall gave by the way thanks but as far as the clockspring goes everything is in working order now and customer is happy so thanks again to all that replied	9
	2007 Chrysler Sebring Touring 2.4L No Start, Stall VIN: 1C3LC56K87 I am going to call this a fix because we have not heard back from the customer. Because of the fact that sometimes it would start to crank and stop we checked the main ground connections...found a significant amount of corrosion on the stud at the ground stu... Trouble codes: U1015 (Can communication), C2202 (VIN mismatch), U1415 (Missing vechile data), U0100 (Lost communication with ECM), U0141 (Lost communication).	3
	1999 Dodge Intrepid 3.2L No Start VIN: 2B3HD56J4X Sorry I took so long to post the fix but we had problems and I wanted to make sure we fixed all the problems. After getting several replys I went back to the drawing board. After testing everything I felt that the communication problem between the PCM and the ...	9
	2002 Dodge Durango Sport 4.7L compressor VIN: 1B4HR38N22 Thanks for the help and replies. We ended up replacing radiator with new and it dropeed vent tempature by 4 deg. Had customer pickup vehicle. No reply from customer so were calling it fixed.	14
	2010 Dodge Journey R/T 3.5L Hesitation, Misfire, MIL Lamp on VIN: 3D4PH6FV9A Sorry for taking too long to close this post,I was away on holiday.The customer decided to take it to the dealer and she said they did decarbonization and the misfire went away but decided to trade it in.thank you for all your responses,I appreciate very much....	4
	1990 Ford F Super Duty Custom 7.3L No Start, Cuts out VIN: 2FDLF47M6L Thanks to all diesel experts for your help. I replaced the injection pump and fuel filter. After two days of test driving, the truck was returned to the customer. Thanks again, Steve	12
	2000 Ford E-350 Econoline Club Wagon Custom 7.3L Power Door Locks VIN: 1FTSS34F4Y Hi Everyone, Thank You for all your help. What we found was the Keyless entry module was not getting power from the yellow/black wire. This was a constant power from the #35 fuse in the fuse block. Thank you for all your help.	4
	2005 Ford F-250 Super Duty King Ranch 6.0L Bounce steer VIN: 1FTSW21P55 Thanks to all who took the time to respond, it helped me find the problem. The pitman arm had a 2 inch drop, the stock one was straight. I still cannot believe how bad it drove with the 2 inch drop pitman. An easy way to indentify the problem is to make sure t...	18
	2006 Ford F-250 Super Duty XLT 6.0L oil on glow plug VIN: 1FTSX20P86 Thank you for everyone's response. The consensus is that Oil on the glow plug is normal. I have reinstalled all components, including replacement parts, oil cooler and EGR cooler. Truck is running well. It no longer blows white smoke. Thank you again for the i...	6
	2007 Ford F-150 XLT 5.4L No overdrive VIN: 1FTPW14537 I would like to thank all the techs who replied to my help request] Everyone was right on the common problems that they suggested, but unfortunately my transmission required full rebuild. The 3rd gear drum splines were stripped. Did remove the valve body mysel...	8
	2007 Ford E-150 5.4L Poor Idle Quality, Hesitation I guess the back two spark plugs fowled out some how, maybe from the anti seize I put on the lower part of the plugs to keep them from sticking and breaking. I guess I will not use any anti seize on these plugs again.	8
	1992 GMC C6000 Topkick C6H042 6.0L No Start VIN: 1GDJ6H1P2N This truck is going to the Dealer. I will be informed of the fix once it is done, and I will share it. I appreciate the help everyone offered, but the dealer is offering to help this customer with it, and I am glad. Thanks again	5
	2006 Jaguar XJ8 4.2L electric windows VIN: SAJWA71B56 Actually,this is a maybe fixed.Thanks to all that gave assistance.One very good reply was to check the grounds under the seats.These Jags are aluminum with steel posts for the grounds and grounds fail because of electrolisis.I checked all of the grounds that I...	9
	2004 Kia Sedona EX 3.5L Cv Shaft VIN: KNDUP13164 Ok Thanks to all five of you for your input. The first CV half shaft was bad. Had to order another one that was better. The nut came off after we pulled the spindle and shaft from the vehicle. Just made it easier on the bench. Impact and flame got it off. Wors...	6
	1998 Lincoln Navigator 5.4L Fuel Gauge VIN: 5LMPU28LXW The Ford Techs win. Will take 3 days to get the part and I still did not get an answer about the float problem.	8
	2004 Mazda 6 i 2.3L No Start, Stall, MIL Lamp on VIN: 1YVFP80C94 Finally! The Mazda is fixed and out the door. Timing chain jumped one tooth when vehicle lost oil pressure. Installed new timing chain, runs like a top. I just want to thank everyone that replied and helped lead me in the right direction. Thanks again to all t... Trouble codes: P0340 (Cam Position Sensor Circuit Malfunction).	8
	2007 Mazda CX-7 Touring 2.3L TURBO noise VIN: JM3ER29357 Do the timing chain, guides, tensioner, and vvt actuator at the same time. Just about done and I used all oem parts! Next one can be much easier pull pre cat with shields in place and leave lower pipe alone which All data said remove. But all is good. Thanks a...	5
	2002 Mercedes-Benz C240 2.6L Misfire VIN: WDBRF61J32 Sorry for not closing this sooner. I did check fuel pressure during the event and it was at 55 psi. I ended up driving this vehicle for almost 4 1/2 straight while checking everything I possible could with a scan tool during the event. I was in ESP, Trans, PCM...	9
	2001 Oldsmobile Intrigue GLS 3.5L idle high VIN: 1G3WX52H71 Thanks for all the help. The throttle was showing 1 percent when closed. An adustment of tps and base idle setting along with a good cleaning fixed it	8
	1997 Pontiac Grand Am GT 3.1L Security (anti theft) VIN: 1G2NW12MXV First thanks for the help. I got 7 responses on this one, ranging from remote start causing a possible problem (car did not have remote start), putting in a resistor to bypass security, BCM (which does not play a role in this car it is the IPC), and multiple c...	7
	1997 Pontiac Firebird Formula 5.7L Clutch VIN: 2G2FV22P2V We are going to call it a "fix" since it is 80% better and it's "left the shop for good." The fellow at our local Industrial Brake shop that refaced our flywheel asked to see the clutch disc. He said it was missing the "shim/cushion." We took it to San Anto...	46
	2002 Saturn Vue 3.0L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 5GZCZ63B72 This bad boy is out the door!!Don't know what was stopping up the injectors, we got a post to check the fuel just in case someone contaminated the fuel. We replaced the fuel filter, cut open the old one and it looked very clean inside. We also took a fuel samp... Trouble codes: P0300 (Muliple cylinder misfires), P0301 (Cyl 1 misfire), P0304 (Cyl 4 misfire), P0305 (Cyl 5 misfire), P0306 (Cyl 6 misfire).	10
	1994 Toyota Camry XLE 3.0L E-solenoid VIN: JT2GK13E1R Thanks to everyone who replied, we received a lot of helpful info, unfortunately this is going to be a long drawn out process since the owner is in no big hurry to get the car fixed, at least we now know were to go from here, thanks again.	8
	2002 Volkswagen Passat GLS 1.8L Starting, Body functions VIN: WVWPD63B82 Ok guys, got a fix for this one... What most of the guys said worked. In my case the driver rear courtesy lamp had some pinched wires near the connector above the headliner. Glad to see it go. In the future the last reply i recieved was the most helpful so tak...	8
	2008 Volkswagen Rabbit S 2.5L Oil pressure VIN: WVWBB71K98 Thanks for the replies guys, after removing oil pan I immediately see the oil pick up screen almost completely plugged up with sludge. Engine had a fair amount of buildup on the pan and side of block, looks like the previous owner wasnt doing their oil changes...	7
	2011 Volkswagen Jetta SE 2.5L cooling fans VIN: 3VWDZ7AJ3B First of all I would not be working on this car if it was under warranty. I don't play that game with my customers. The problem turned out to be the ground wire on the big connector down at the cooling fan was pulling out of the connector and the end was gett...	6
	2003 Volvo XC90 2.5L Alarm VIN: YV1CM59H63 Customer decided not to put any money into repairing this issue until other symptoms occur. Right now the only evident symptom to the owner is the message on the dash. I do believe the siren is at fault here. I set the alarm with the driver window down then...	7

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