Automotive Technicians Technical Discussion and Fixes for Aug 22, 2013

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	Help Request	Answers
	2005 Audi A8 Quattro L 4.2L Ride height adjustment VIN: WAUML44E05 Hello, Looking for a procedure to re-start/initialize/adapt suspension system, if possible. Vehicle came in with suspension on the ground, would not raise at all. All DTC's were pointing towards internal issue with ABS module, replaced with used one from salva...	View
	2004 Buick Rendezvous CX 3.4L speedometer VIN: 3G5DA03EX4 Need help in trying to solve why no speedometr when i pulled the old vss off it had a lot of metal deposits around the sensor	View
	1989 Chevrolet K1500 Cheyenne 5.7L cab vent? VIN: 2GCEK14K0K Truck has excessive noise from near back window and I can feel draft coming up from between plastic trim and back window. I am wondering if there is a vent or fresh air seal or some thing that is not sealing the cab behind the seat.	View
	1991 Chevrolet K1500 Cheyenne 5.7L 1-2 shift VIN: 1GCDK14K2M Truck came in with a leak from pump and late 1-2 shift also a very hard shift to second. Pulled trans to reseal and put a shift kit in valve body. Now we have a very early shift to second at about 2mph it will drop to 1st manualy but takes off in second if you...	View
	1993 Chevrolet P30 5.7L engine assy VIN: 1GCHP32KXP I am replacing the 5.7l with a reman but I cannot seem to figure out wich way is the best to r and r the engine. The front end of the body seems to be welded together. Is it sawzall time or am I missing something? Thanks for any replies. Bill	View
	1996 Chevrolet G30 Chevy Van 5.7L transmission VIN: 1GCGG35K5T Thanks in advance to all who share their wisdom on this old beast. We have some trans problems that we weren't able to duplicate at first. The van seems to drive ok around town, maybe a little late shifting but nothing terribly out of the ordinary for this van...	View
	1997 Chevrolet Blazer 4.3L Vacuum On accelerating goes to defrost mode.check for vacuum leak no leak check vac tank ok overlaid vac hose to rotory vac valve no change plug vac hose to 4wd check vac at check valve 15in of vacuum. Don't hear any vacuum leak inside.replace rotary vacuum valve no ...	View
	1999 Chevrolet C3500 6.5L Abs & Trans VIN: 1GBJC34F6X This is driving me nuts. Keep getting code c0237 rear speed senor . Replaced speed sensor and new act right up , tried several speed sensor from know good trans and still code c0237 pop up, trans shifts in and out of passing gear. I thought I solved this the o...	View
	2006 Chrysler 300 2.7L MIL Lamp on VIN: 2C3KA43R96 Thanks in advance for any help. I have this 06 chrysler 300 that pops up code p0481. Pops up again as soon as i clear it. The trouble tree starts with activating #2 high fan relay which my scanner is only capable of activating #1 low speed relay. Now when i do... Trouble codes: P0481 (Cooling fan 2 control circuit malfunction)	View
	1998 Dodge Durango SLT 5.9L instument cluster VIN: 1B4HS28Z4W customer says he was driving down road and all gauges started bouncing and also noticed the door locks and power windows quit working . i checked charging system it passed and checked battery was ok checked for codes in bcm and pcm none found checked for a wir...	View
	2001 Dodge Ram 1500 WS 3.9L MIL Lamp on VIN: 1B7HC16X01 Hello all, I have a ram pickup that has a p0420 code I have watched the pid data and it is a mirror image switching perfectly. I think it is the best mirror image I have seen. I unpluged the rear 02 to see if scanner would pickup on the change and it did. I di... Trouble codes: P0420 (Cat Efficiency low bank 1), P0463 (Fuel Level sending unit volts to high)	View
	2008 Dodge Avenger SXT 2.7L Misfire, MIL Lamp on VIN: 1B3LC56R28 customer states car will buck and jerk at 60=70 mph worse with ac on intermittently code p2175 stored.drove under same conditions could not duplicate talked to drivability at dodge he said he has not had to deal with code customer has had ac repaired air bag r... Trouble codes: P2175	View
	2010 Dodge Avenger SXT 2.4L front pass VIN: 1B3CC4FB9A First things first.Thanks for all the replies. This is my girlfriends car.Over this past weekend the passenger window stopped going up.It only goes down.I tested for power at the connector to the motor. Power is 14.26VDC(eng running)in both directions.Power/gr...	View
	2006 Ford F-150 XLT 5.4L engine noise VIN: 1FTPW14596 have an 06 f150 5.4 came in with engine rattle, sounded like lifters found tsb on lifters so replaced lifters timming chains guides and tensioners, still had noise found related problem on iatn so replaced cam phaser bank 1,still has noise and also ran bad and...	View
	2007 Ford Ranger XLT 2.3L pats VIN: 1FTYR10D27 fist problem was intermitent loss of cluster, next problem was intermitent no start after couple times cycling key would start, when problems were present had no comm with any module ohmed out com lines checked good .03 ohms measured voltage on both comm lines...	View
	2003 GMC Yukon SLE 5.3L Cuts out, MIL Lamp on, Limp Mode VIN: 1GKEK13T23 Have a truck that got towed in, would idle but no acceleration, scanned for codes had codes p1516 and p1518 I ended up replacing the electronic throttle body and clearing codes road tested fine, then parked it, went to move it later check engine light poped on... Trouble codes: P1518	View
	2003 Honda Element EX 2.4L Charging system VIN: 5J6YH18603 Hey Honda techs. Honda Element. Turn Key battery light inop and vehicle not charging.Customer has installed two alt.Has brand new OEM Honda. Ck all fuses ok. Brand new good battery. Ck continuity from ecm to alt wht/grn control circuit ok. No ELD codes. How do...	View
	2007 Honda Pilot EX 3.5L Cuts out VIN: 5FNYF18507 customer states vehicle will stall or hesitate severly when pulling out from a stop & making a left turn, 3 - 4 times a week. doesn't seam to happen when pulling out straight or to the right. also has stated that the check engine light would come on when it ha...	View
	1994 Jeep Wrangler Sahara 4.0L MIL, Upshift VIN: 1J4FY49S1R Customer repo'ed vehicle and immediately swapped engine for reman crate. Installation looks clean and all wiring was re-loomed to eliminate tattered OE loom. Customer connected battery and saw MIL, Upshift lamp and seat belt lamp were on with key in his pocket...	View
	1999 Jeep Grand Cherokee Limited 4.7L Hard 2-3 shift VIN: 1J4GW68N9X This is a 45RFE transmission with a hard 2-3 shift cold. After driving for about 1 minute it goes away. Shifts normal the rest of the day until it sits overnight. Enable criteria for codes are when trans temperature is over 100*F. Could not repeat codes. KOEO ...	View
	2005 Land Rover LR3 SE 4.4L transfer case VIN: SALAA25495 Was road testing the car with the customer and a noise was heard and the vehicle seemed to be in neutral. Towed the car back in. Multiple lights flashing on panel including the low range light, amber brake light, traction control light and ride level lights on...	View
	2008 Mercury Milan Premier 2.3L Air bag VIN: 3MEHM08ZX8 Car has an air bag light illuminated. Scanned found code u1900. Checked all wiring and connections under passenger seat and fuse f24. Noticed on wiring diagram fuse F25 fed restraints control module. Checked that fuse and it was open, Changed fuse and it blew ...	View
	2001 Mitsubishi Montero Sport XLS 3.0L Stall VIN: JA4LS31H31 no codes in system. unplug iac and it will idle fine after start up. something happened either when battery failed or upon installation of new battery. I advised him to let it run for a while to see if relearn will help. However after multiple trips and prolon...	View
	2007 Nissan Titan XE 5.6L No Start VIN: 1N6BA06A97 I have a 07 Titan that has a bad ecu. What I need to know is there a procedure to reprogram the key without the dealer or locksmith, upon replacing the ecu. Everything I have found on the internet leads to the dealer or locksmith doing it.	View
	2007 Nissan Xterra X 4.0L Starting VIN: 5N1AN08UX7 Hi Friends, a help here please. I have this Xterra, complete VIN: [...] with no start condition. After reading all the help in the forums and fixes, I have done a lot of work here and concluded the ECM is bad. I can access all other modules, but no...	View
	2008 Pontiac Grand Prix 3.8L No Start Thanks in advanced for all your response.. Havent got the chance to do a full diagnostic yet on this vehicle , would like to get as much information possible before i look more into it. Okay here we go! vehicle towed in , checked fuel pressure (normal 55psi), ... Trouble codes: P0520 (Engine oil pressure sensor signal circuit)	View
	2002 Saab 9-5 Arc 3.0L Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: YS3ED59222 Hello Saab techs! We are out of ideas with this SAAB 2002 9-5 V-6. Car has a problem with intermittent loss of power under acceleration and long cranking start ups (4-5 seconds) I have replaced all the parts mention above. We check the exhaust and intake syst... Trouble codes: P0134, P1172, P1300	View
	2002 Saturn L300 3.0L power steering pump VIN: 1G8JW54R22 this vehicle came in about 3 weeks ago with what sounded like air in the system. there was no foam in the reservoir. also if you turned the wheel to full lock in either direction the noise would totally and instantly stop. shut the car off and start it again a...	View
	1994 Volkswagen Golf GL 2.0L Hesitation, Stall VIN: 3VWFA21H5R This vehicle sputters and sometimes stalls when accelerating from a stop. And only with part throttle. Full throttle it will accelerate better. I noticed a hissing sound from the fuel filler neck and there is constant vacuum at the charcoal canister (it is pul...	View
	1998 Volkswagen Beetle 2.0L 4th gear VIN: 3VWBB61C8W Vehicle came back numerous times with the customer stating "I step on the gas but it won't go" sounded like throttle body. Then she said it "hesitates" Hmmm...misfires? We only test drove it five miles or so and finally got it on a hot day for 20 mile drive an...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	1996 Audi A4 Quattro 2.8L compressor VIN: WAUEA88D2T Sorry, I was unable to fix it. We tried a used control head with no difference.When I jumpered the low pressure switch it would not set the code for the pressure switch, however it still would not power up the compressor. Customer picked up the vehicle, I am s...	4
	2002 Audi TT Quattro 1.8L Electronic VIN: TRUUT28NX2 Thanks for the responses special thanks to Ralph from Colorado Check the fuse block on top of battery.Due to high resistance it will burn the terminals for fuse. The fuse was burnt replaced fuse and all works great thanks.	4
	2003 Audi A4 1.8L Transmission VIN: WAUJC68E43 Sorry for the late reply customer wasn't willing to pay for the engine fix but we fix it anyway just to see if that was what was causing the problem. We disassemble the valve train and the cam actuator was stuck, we clean it and reassemble, we took care of bot...	2
	2007 Audi A6 Quattro 3.2L MIL Lamp on VIN: WAUKH74FX7 Thank you for the quick and helpful replies. This is one to remind you to not always believe what you read. Per Alldata diagnosis the middle wire in the harness was supposed to have 12 volts. Well guess what, it is supposed to be a 5 volt square wave. Once you... Trouble codes: P0341 (Cam sensor implausible signal).	7
	2004 BMW X5 4.4i 4.4L Air Suspension Control VIN: 5UXFB535X4 I AM STILL WORKING ON THE PROBLEM AT THIS TIME. I WILL LET YOU WHAT I DID WHEN I FIND THE PROBLEM. THANKS FOR ALL OF THE HELP.	12
	2000 Chevrolet Express 2500 5.7L Poor Idle Quality VIN: 1GCGG25R8Y After rechecking for vacuum leaks and making sure the throttle was actually closing all the way. I decided to recheck the IAC circuit with my noid light. What I noticed was that the 2 lights would some times turn off completely. It seemed like if I moved the... Trouble codes: P0507 (Idle speed control).	14
	2001 Chevrolet Blazer LS 4.3L Turn Signals VIN: 1GNDT13WX1 Thank you all for quick response. Car turned out to be RV TOW DINGY. Found open in creative wiring. All sockets were good and yes- bulb out causes flasher to go faster. Thanks again.	15
	2003 Chevrolet Monte Carlo SS 3.8L Misfire, MIL Lamp on VIN: 2G1WX12K13 Well for all that replied I thank your for the quick responses with all the possibilities that each and everyone of us have performed in order to repair a misfire code at some point. Please raise your hand if you would have ever thought the repair to a random... Trouble codes: P0300 (Random Misfire).	24
	2006 Chevrolet Cobalt LS 2.2L Generator VIN: 1G1AK15F96 The Cobalt now is charging battery properly and left the shop, I took all your advice and rechecked the wiring, it was not consistent( as advised by Alex from Georgia, Robert from PA, Scott from PA, Michael from Florida made me aware that turn on signal for ge...	8
	2002 Chrysler 300M 3.5L AC belt VIN: 2C3HE66G52 We tried both an AC delco belt and a goodyear belt and both would roll upside down and eventually fall off. Both of these V belts had ribs on the inside and the old one didn't. New belts measured the same as the old in thickness. We still had the old belt a...	8
	2004 Chrysler Crossfire 3.2L Bas/esp VIN: 1C3AN69L64 This vehicle is repaired. Turns out to be the loose steering column causing the 1141 Brake Pressure Sensor 1 DTC... Tightened up Steering column and another happy customer.	3
	1999 Dodge Grand Caravan ES 3.3L No Start, Misfire VIN: 1B4GP54G2X I dropped the fuel tank and found that salt had been poured into it. I was able to flush the tank. I also replaced the fuel filter, pump assembly, injectors, and I also flushed the lines. Thanks to everyone that responded to this post.	18
	2000 Dodge Dakota 3.9L spark plug heat insulator tube VIN: 1B7GL22X2Y Ended up having to remove two out of the six spark plug wire insulator heat shields. I believe Chrysler's official part name is "cable heat shield". My service advisor made the same suggestion to just leave the ones I had to remove out, they weren't going to...	9
	2003 Dodge Caravan SE 2.4L Poor Idle Quality, Surge VIN: 1D4GP25B93 thank all of you for your help.turns out that the exhaust cam was a tooth off .problem corrected no more surge .now i know for the future to use all the marks with a straight.	15
	2004 Dodge Durango Limited 5.7L Poor Idle Quality, Misfire VIN: 1D4HB58D94 Well, this one is fixed. A new fuel pump and oxygen sensors fixed all the concerns. During a test drive with a fuel guage attached the fuel pressure started to flucuate wildly from 35lbs to 65 lbs when the engine acted up.A new pump cured that.Also had a tip-... Trouble codes: P0132 (voltage high on sensor 1 bank 1), P0300 (random misfire cyl 1 3 . 5 7).	23
	2003 Ford Crown Victoria LX 4.6L Excessive Emissions, MIL Lamp on VIN: 2FAFP74W43 Hi Techs. Thanks for your inputs.I did check The "MAF" readings, they were in spec.Fuel pressure test and leaks down test, fuel rail pressure reading were also good. It really did not make any sense.I changed one stiff vacuum hose at the T/Body, clear the cod... Trouble codes: P2196 (upstream HO2S bank 1 not switching stays at rich), P2198 (upstream HO2S bank 2 not switching stays at rich).	11
	2004 Ford Freestar SEL 4.2L noise VIN: 2FMZA50254 Joseph and Avinash helped here. I eventually got the vehicle back, after ordering another OE valve, and this one seems to be working silently. It still seems an odd way to manage a purge valve, and I still haven't found useful information on its function. I...	4
	2007 Ford Edge SEL 3.5L Rattle Noise VIN: 2FMDK49C47 Well I finally got this back in yesterday and changed oil with motorcraft filter and 5w20 oil, she called this morning at my request and said it still rattles on cold startup. After viewing replies and rechecking noise I am confident we are dealing with phazer...	14
	2008 Ford F-350 Super Duty XL 6.4L MIL Lamp on VIN: 1FTWW31R78 Thanks Alex and Brian for the advice and suggestions they were very helpful. I did actually find a link in Mitchell to a video that someone made of removing and installing the cab on this truck which was also very helpful. Trouble codes: P0090.	2
	2009 Ford Edge SEL 3.5L Mechanical VIN: 2FMDK38C29 thanks to all who responded. Michael [...] is right on target. yes , the tsb 11 6 1 is reponsible for fixing this car. the car is out of warranty, so the customer is taking his time to pay for such a steep fix. thank you guys.	4
	2000 GMC Savana 1500 5.0L Starting VIN: 1GDFG15M5Y Ok all I told you my brain got turned off. Well some how I over looked the most simple of all things the engine 1 fuse was blown and I missed it (Homer Simpson moment). Now I just need to figure out why since it is not blowing now. Have a fuse buddy installed ...	9
	1998 Honda Accord LX 2.3L No 3rd gear or 4th VIN: 1HGCG5645W Well today I tore it back down an found the problem. It was cpc valve a an b were sticking in the bore. So I took 800 grit an clean it an it freed it up. I guess when I was cleaning it ,it got some dirt in it so now it shift all gears thank you.	1
	2001 Jeep Wrangler SE 4.0L MIL Lamp on VIN: 1J4FA49S61 Thank you all, Donald [...] hit it right on the head with a very simple test. remove both hoses from purge valve apply vacum,checking for internal leak, my vacumn gauge would stop at about 7 and not hold any higher, the new one would max out vacumn gauge. Tes... Trouble codes: P0442.	5
	2004 Kia Sedona EX 3.5L Front Brakes VIN: KNDUP13164 Thanks for everyone that replied. We didn't test drive the vehicle before we put it on the lift and started tearing it apart so we don't know how the pedal was before we started to work on it. The brake pads were so worn to the point of metal on metal and the ...	16
	2001 Mazda Tribute ES 3.0L MIL Lamp on VIN: 4F2YU08141 Thanks to all who replied. After a lot of hours of diagnosis, we came to the conclusion that this vehicle had and electrical [...] inside transmission on the trans temp circuit. Customer did not wish to make repairs so vehicle is gone. Trouble codes: P0113 (IAT Sensor High), P0118 (ECS Sensor High), P0123 (TPS Circuit High), P0708 (Transmission Range Sensor High), P0453 (EVAP Pressure Sensor High), P0713 (TFT High Input).	7
	2003 Mercedes-Benz C230 Kompressor 1.8L mirrors VIN: WDBRF40JX3 Sorry for not closing this sooner. Turned out to be to front SAM. Thanks again for all of your input. Regards. Brad	2
	2006 Mercedes-Benz C230 Sport 2.5L door locks VIN: WDBRF52H26 Ok guys thanks, Sorry for delay. Had to wait for mew key to get here and you know how pain in the but TRP. parts are. But you guys where right, the old key would lock and unlock if key was held close to Ir sensor on door handle. I had good reception via rad...	3
	2001 Nissan Altima GXE 2.4L engine stall and early shift cold VIN: 1N4DL01D81 Turns out the transmission had some kind of valve body flow or pressure problem when cold. I replaced the transmission and the problem has not returned. Thanks for the advice this was a unique symptom.	5
	1997 Saab 900 SE Turbo 2.0L Compressor VIN: YS3DF35N9V We cannot get the customer to return our phone calls. Since I posted this we have been unable to communicate with him. The next step is a Tech2 card for Saab which we are unwilling to purchase for just one vehicle and will instruct the owner to take to the S...	3
	2002 Toyota Prius 1.5L HV battery VIN: JT2BK12U12 Sorry I'm late in closing, but I wanted to give the car a chance to perform with no problems before claiming a fix. Before proceeding I explained to my customer the failure possiblities of the transaxle due to mileage and age so she understood the risk. I repl...	10
	2006 Toyota Sequoia Limited 4.7L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall VIN: 5TDZT38A56 Throttle body clean and relearn fixed for now. I repeated conditions for 30 min this morning and not one issue returned. I just got done driving for another 10 min and am going to return vehicle to the customer. Thanks for letting me know others have seen thes... Trouble codes: P0101 (Mass air flow circuit malfunction).	4
	2000 Volkswagen Jetta GLS 2.0L a/c compressor VIN: 3VWSC29M5Y Lou from New Jersey was right on! I found in my scanner under special functions throttle body recalibration.Ran it and it failed.Ran it a second time and presto A/C clutch engaged at an idle and works perfectly.The guage readings were my fault as I did not ch...	9
	2004 Volkswagen Beetle GLS 1.8L convertible VIN: 3VWCD31Y54 Thanks for the replies. We tested the control module for voltage supply, loaded grounds and all was ok. Disconnected the battery then rebooted the system-still no communication. The top switch grounds the up or down circuit so we checked for voltage to the swi...	5
	2007 Volkswagen Passat 2.0T 2.0L Poor Idle Quality VIN: WVWKK73C37 Hello all, Unfortunately I had to turn this one away. I was asked if I had checked for a vacuum leak. I pulled the oil cap off and I wasn't sure if the vacuum I felt was excessive or not, so rather than measure it, I replaced it. That was not the problem. This... Trouble codes: P1297 (Pressure drop between turbo and throttle valve), P1093 (Fuel measuring system 2- malfunction).	15

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