Automotive Technicians Technical Discussion and Fixes for Jun 14, 2012

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	Help Request	Answers
	1998 BMW 528i 2.8L Mechanical VIN: WBADD6320W Hello guys! I need your help. this bimmer caming last month for overheat, I found co2 in coolant system, remove head and found head is cracked. replace with new unit , come back yesterday for oil leak and check engine light on with codes 202 and hard start in ...	View
	2003 BMW Z4 2.5i 2.5L Convertible Top VIN: 4USBT33423 When opening the top it bounces up and down	View
	2001 Buick Century Custom 3.1L 1-2 shift VIN: 2G4WS52J61 car shifts fine cold. when it gets warmed up it will not shift out of 2nd gear. starts out in 1st. had code p1811, we did not think solenoid was working. we replaced solenoid with no luck. have driven a number of times, has not reset any codes. fluid seems ver...	View
	1996 Chevrolet Express 3500 5.7L Poor Idle Quality, Hesitation, Surge, Stall VIN: 1GCHG35R7T wher the fuel meter body goes up into the upper intake wiil it suck vacum there or not.thanks	View
	2003 Chevrolet Venture LS 3.4L No Start VIN: 1GNDX03E73 hi guys ineed some help we raplace the transmission on this van after the trans the van wont crank i check fusses y change the neutral safety switch y che the wires from the ignition they are ok i check the startes relay i have to 12v wires 1 good wires to the...	View
	2006 Chevrolet Trailblazer LT 4.2L MIL Lamp on VIN: 1GNDT13S26 I have a 06 trailblazer here when it first came in had 2 codes p0411 air inj system flow, and p2440 sec air system shut off valve stuck open. When the customer first came in she complained of nothing other than the light. We replaced the valve, did a couple co...	View
	1994 Dodge Intrepid 3.3L engine VIN: 1B3HD46T9R Car came in crank no start. Its a 94 and i do not have the cable to scan it. I have one comming it should be here in the next few days. So i did the key / count the flash thing. That came up with a EGR code. So i tell the guys to pull it in . At that point it ...	View
	2004 Dodge Intrepid SE 2.7L compressor VIN: 2B3HD46R84 replaced the a/c line from compressor to condenser the line with the switch in it also replaced switch the line was leaking at fitting. now there is no power to ac compressor will not come on i have checked all fuses and the ac clutch relay all appear ok	View
	2005 Dodge Neon SE 2.0L Poor Idle Quality Howdy ya'll. I have this Neon here that had me scratching my head. Came in right at closing time and I glanced at it, but didn't really get to testing much. At idle, it has this definite misfire. No check engine light and the only code stored is the code P0203... Trouble codes: P0203 (Injector 3 Circuit)	View
	1999 Ford Taurus SE 3.0L Compressor VIN: 1FAFP5XNRL Hello all, we are working on replacing an AC compressor on this '99 Taurus 3.0L OHV. Trying to figure out the correct ammount of oil to add to the new compressor. I cannot seem to find any specs on this. Only thing that comes up in shop key is 7 oz total syste...	View
	2000 Ford Ranger XLT 3.0L Fuse 26 central junction block VIN: 1FTZR15U6Y Ok Ford Techs, I am hoping some of you have been here on this one. I am usually pretty good at finding and repairing parasitic draws but this one has got me frustrated. This is a little long so bear with me. The battery in this truck goes dead in about 2 to 3 ...	View
	2002 Ford F-150 King Ranch 5.4L temp gauge VIN: 1FTRW07L72 Temp gauge jumps around intermmitently.Will jump from normal to hot[313 deg.]and back.Turn key off and restart truck and will work normally for awhile.Sets codes p1285 cyl. head over temp and p1299 eng. over temp and truck runs terrible.Runs good again after k...	View
	2003 Ford Focus LX 2.0L no 1st harsh shift scan and found p0770 solanoid e malfunction replaced e solanoid also a and b shift solanoid fault still present comes on after 2-3 mins voltmeter reads a short burst at 14v before fault light comes on when connected to solanoid E dont have any pinout info t...	View
	2006 Ford F-250 Super Duty XLT 5.4L Mechanical VIN: 1FTSX21596 Hi guys another mechanic replaced headgaskets on this truck, then quit before he put timing chains back on.I set the timing and now am trying to start it.No start of course. I have double checked the timing, still good. It has two codes p2004 and p2006.which i...	View
	2007 Ford E-350 Super Duty 5.4L Stall VIN: 1FCKE39L77 I hope somebody can help me with this truck, first it comes up as a E-350 super duty but it is a bread truck built by Utilimaster. The customer's complaint is it stalls intermittently, this started probably 6 months ago but only happend once in a while now the... Trouble codes: P2105 (TAC system forced engine shut down), U0300 (Internal control module software incompatibility)	View
	2001 GMC Sierra 1500 SL 5.3L No Start, Cuts out, Stall VIN: 2GTEK19T21 I have this 2001 GMC sivlverado that was towed in for loss of power yhen cut off. Sprayed carb cleaner in the intake and it ran on that assumed fuel pump. Replaced pump and have the same problem. checked and verified fuel pressure was ok 55-60 lbs. Sometimes i...	View
	1998 Honda Accord LX 2.3L Ecm VIN: 1HGCG5541W Greetings! Diagnosed P0135 - Sensor resistance was ng - replaced. New sensor - resistance ok; CEL returns - run through diagnostic tree and reached that dreaded spot: Substitute known good ecm. It appears to me that an ecm for this car must be programmed only ... Trouble codes: P0135 (Front o2 heater)	View
	2004 Honda Accord EX 2.4L a/c VIN: 1HGCM56884 customer stated passenger side vent a little colder then drivers side..neither side are very cold..I evac.and recharged system..19oz..OEM specs. and noted that low side pressure is running high about 55-60 psi..and high side is a little low about 120-125psi.. ...	View
	1999 Jaguar XK8 4.0L Excessive Emissions, Misfire, MIL Lamp on VIN: SAJGX2040X Customers xk8 was operating under reduced power mode. Customer shutoff vehicle, restarted a couple hours later and running good out of reduced power mode. Vehicle then went back into reduced power mode. Customer drove vehicle to shop but car was running good a...	View
	1989 Jeep Cherokee Laredo 4.0L Cooling Systems VIN: 1J4FJ58L8K Hey guys need help on this one. Vehicle came in overheating. Lower hose was always cold so we replaced thermostat and had no change. Tested cooling fan switch and it was open. Replaced the switch and fan will still not come on when overheating. Wired fan to co...	View
	1995 Jeep Grand Cherokee Limited 5.2L Excessive Emissions VIN: 1J4GZ78Y4S Came in for a smog check failed 2500 for co I hooked the scanner and i see at 2500 the o2 sensor goes to .92mv but the short term or long term adaptive will not correct they just stick at short term 0 long term 1.6. Loop status still says closed loop. I review...	View
	2002 Jeep Wrangler X 4.0L transfer case VIN: 1J4FA39S62 Has any one had any problems with transfer case braking driving down the road. this jeep has destroyed two transfer cases. The first time we replaced it we removed front & rear differental covers looking for any problems. Every thing looked ok. we thought fron...	View
	2004 Kia Spectra EX 2.0L ac compressor VIN: KNAFE12194 a/c compressor dosent engauge. relay is not turned on by pcm. no ground signal from pcm to relay. pressure switch seems good. can command a/c relay on with modis and works. please help.	View
	2008 Kia Sportage LX 2.0L sill plates Customer presented this vehicle with complaint "black goo leaking out of my doors". Sure enough there is a sticky black substance dripping out the bottom of the doors. Early attempts to remove prove to be ugly. Substance looks and feels like the butyl they use...	View
	1994 Lexus LS400 4.0L Blower Motor VIN: JT8UF11E9R Hello everone need to know what steps are to replace blower motor.have look on alldata and identifix still not sure.thanks for any help.	View
	2008 Mazda 3 i 2.0L Camshafts VIN: JM1BK12G98 Car was overheated and came in with a warped head. Machine shop surfaced and rebuilt the head. Put it on and now getting a P0012 Code retarded intake cam. I changed the oil and put in Motorcraft 5W-20. Also rechecked the cam timing with Ford Special Tools all ...	View
	1994 Mercedes-Benz S320 SWB 3.2L no a/c VIN: WDBGA32E7R auto has been at shop alot of times. another shop butcherd the engine swap. since then after it set for two years i got it. they said used engine was no good. had broken wire to one coil. since i fixed that. its been running good. came back two weeks ago with ...	View
	1999 Mercedes-Benz C230 Kompressor 2.3L MIL Lamp on, hard start VIN: WDBHA24GXX Hi guys, I am looking for a little MB insight. Most of our experience is with Audi and VW, and for the most part we can get around any MB with success. This particular vehicle is giving us some trouble. About every six months or so it eats a MAF sensor. We are... Trouble codes: P0100 (Hot Film Mass Airflow Sensor Bank2/5), P0170 (Self Adaptation at Limit), P0243 (A/F Switch Over Actuator F Compressor M16/7)	View
	2007 Mercedes-Benz CLK350 3.5L MIL Lamp on VIN: WDBTK56G07 This car originally came in with the P0016 and P0017 and we found the balance shaft gear missing a bunch of teeth (of course). After pulling the motor and replacing all the necessary parts with a kit from the Benz dealer as instructed by the TSB's on this prob... Trouble codes: P0016, P0017	View
	2008 Mini Cooper S 1.6L Poor Idle Quality, Surge, Cuts out, Misfire Hi all I have inherited a Mini here with a stumble at idle and occasional stall. Code set is 2b64 unmetered air at intake. I thought the vacuum seemed a bit excessive in the crank case so I replaced the Valve cover with PCV. The vacuum seems a bit lower now bu... Trouble codes: 2B64	View
	2004 Nissan Sentra 1.8L Poor Idle Quality, Hesitation VIN: JN1DB04T84 Vehicle came from another garage who fitted a new MAF sensor trying to fix fault, i checked vehicle over and at idle cold was a little rough, when warm fine. while driving felt flat and hesitant and wouldnt rev and often pinging wasnt sure if it was across the...	View
	2004 Nissan Quest SL 3.5L Stall VIN: 5N1BV28U04 Yesterday this Quest stalled 3 times after driving for 45 minutes while under light load. They let it sit for half an hour and it drove here (about 8 miles) without incident. I can't get it to act up. This still has a plastic CKP, shield is in place and undama... Trouble codes: P0335 (Crankshaft Position Sensor)	View
	2007 Nissan Pathfinder LE 4.0L Tiptronic Manual Mode VIN: VSKJLWR516 Hi friends, i need help with this pathfinder, i have a problem when i try tiptronic on manual mode, this wont work, i check codes and none were found, check monitor data but i dont see changes when i select manual mode, cluster shows only drive mode.	View
	1998 Plymouth Voyager 3.0L brakes VIN: 2P4FP2535W Van came in & one complaint was brake pedal pulsing, We've replaced practically every brake part front & rear & still have the same pulsing. Most noticable at higher speeds hard braking, only feel it through pedal, tires were balanced, Front Alignment performe...	View
	2008 Porsche Cayenne S 4.8L MIL Lamp on VIN: WP1AB29P98 Good afternoon Porsche techs everywhere,this cayenne s was brought in this morning with a check engine light on ,checked codes,0021,that is all I know,Alldata has no info what so ever,checked internet not much info there either,Is this a simple repair or a pro...	View
	1999 Saab 9-5 SE 2.3L speedometer VIN: YS3EF48E6X Vehicle speed sensor was checked signal appears to be normal also instrument cluster was replace with used cluster. vehicle did not start. later cluster guages where exchanged between new and old clusters car started but speedometer is still inoperative.	View
	2004 Saturn Ion-3 2.2L Hesitation, Cuts out VIN: 1G8AW12F44 hope you guys can help.. this issue is intermittent and while you are driving its like you hit the rev limiter can only do about thirty mph and 2500 rpm..this is not an electronic throttle body .. fuel pressure stays constant and missfire monitor is 0.. it see... Trouble codes: P0700, P1882	View
	2007 Toyota Tundra SR5 5.7L mode door actuator VIN: 5TBEV54197 I have this toyota tundra came in the shop with a/c stuck blowing on floor mainly with very little vent flow, scanned and retrieved code b1443 air outlet servo problem, checked mitchell on demand, followed diagnosis and have determined servo is faulty, my ques...	View
	2009 Toyota Sienna LE 3.5L Compressor VIN: 5TDZK23C39 Posting this for my Technician. Thank You for any help here. Customer brought vehicle into shop because Air Conditioning was no longer blowning cold. Vehicle has a near full charge. All blower speeds work as designed and A/C light on dash goes on when pushed. ...	View
	2001 Volkswagen Golf GLS 1.9L temp sender VIN: 9BWGP61J11 Temp guage pegs itself for no reason. Engine not hot MOD says that its a 2wire sender and the only one I can find on the water outlet has 4 wires. replaced it to no avail. Is it the guage thats bad or have I got the wrong wiring dia? any help will be greatly a...	View
	2004 Volkswagen Passat GLS 1.8L no communication VIN: WVWPD63B54 hi, this car was brought from another shop. the power windows, remote entry, sunroof and interior lights do not work, founf that the cowl where the battery sits looked like a pool, the vents were clogged which allowed water to seep in to the car under carpet o...	View
	2004 Volkswagen Jetta GL 2.0L no communication VIN: 3VWRK69M44 Pulling hair out...Have this 04 jetta no communication with scan tool. have disconnected abs module, has oe radio. what is really wierd about this is that I get communication when the batt voltage is very low ..around 9-10 volts when it is drained to the point...	View
	2005 Volkswagen Jetta 2.5 2.5L Poor Idle Quality, Cuts out, Misfire, MIL Lamp on VIN: 3VWPF71K75 Just a post for opinions---I'm in the process of dealing with a stretched chain issue (first time) on this 2.5 5 cylinder engine and wanted to know what you guys were doing out there, the entire assembly, bottom and top, or just the upper chain, guides and ten...	View
	1998 Volvo S70 GLT 2.4L Pcv VIN: YV1LS567XW Having another one w/same milage and same symptom breather fixed it. Plugs have some soot around them (hasn't been smoking very long)Intercooler is dry. We think smoke is oil but converted by cat enough to look more white. Loosing oil but not coolant. Want to ...	View
	2004 Volvo S80 2.9 2.9L Electronic VIN: YV1TS92D84 Customer complains of hard/harsh shifting at times. Fluid is clean and full , no leaks. A couple of months ago we pulled Code TCM EOO - Control Module Communication. Code was cleared and we thought all was well. They brought in for routine maintenance and ment...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	1996 Acura TL 2.5L no compressor clutch or electric fan operation VIN: JH4UA2659T In diagnosing and solving the no compressor clutch or electric fan operation, we were able to determine that it was the Evaporator Sensor, which is located in the Evaportor Case. Vehicle was successfully repaired with no other issues reported.	14
	2001 Audi A6 Quattro 2.7L ignition,timing VIN: WAUED64B21 I want to say thanks for the help, however we have not been able to nail this one down yet. We have rechecked all timing marks, checked all coils power stage units and compression and leak down all with in specs, and are o.k. We took a shoot in the dark and re...	22
	1999 Cadillac Seville STS 4.6L Ipm VIN: 1G6KY5498X Guys, the vehicle is fixed. Well, at least partially fixed. I forgot to mention that I had already previously tried jumping the low pressure switch, which I had originally suspected as being faulty, but it also did not work. After a little more testing and ...	7
	1998 Chevrolet Express 1500 5.0L Excessive Emissions, Poor Idle Quality, Hesitation, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1GBFG15M7W All was a great help. Customer picked up vehicle and was suppose to drop it back off for repairs. They are still yet to bring it back so will have to wait and see what they decide on. Thanks again for all the help. Trouble codes: P0300 (Random Misfire).	34
	2000 Chevrolet Lumina 3.1L air flow VIN: 2G1WL52JXY ONE MORE NIGHTMARE GOES AWAY. THE FIX ENDED UP BEING A VACUUM ACTUATOR WITH A SMALL HOLE IN IT. KIND OF STRANGE HOW THIS IS DESIGNED. THE BLEND DOOR HAS A ROUND SPRING ON IT SO WHENEVER VACUUM IS REMOVED [IE TURNING THE CAR OFF] IT RECENTERS ITSELF. THE ACTUAT...	3
	2004 Chevrolet Aveo LS 1.6L Timing Belt/Water Pump VIN: KL1TJ52614 Thanks for all the info, our tech made sure every time that the belt was not over tight, followed all the same instructions. This time we used a factory AC Delco water pump. There was a major difference in the build quality. The idler, belt, and tensioner was ...	12
	2004 Chevrolet Colorado LS 3.5L MIL Lamp on VIN: 1GCCS19684 gm o2 sensor did the trick ! thanks everyone Trouble codes: P0141.	6
	2006 Chevrolet Impala LT 3.9L No Start, Cuts out, Stall VIN: 2G1WC58166 Okay, not bad Ideas but, the injectors were driving when it wouldn't start. I went the old fashion way on it, timing light. Made a mark on the ballancer, when it wouldn't start, the mark was about an inch off. So, camshaft phaser. Not the electronic half eithe...	4
	1998 Dodge Grand Caravan SE 3.3L Speedo, tach, fuel guage VIN: 1B4GP44G5W Thanks for the input. Some of you asked questions. Here the answers. I soldiered this board three years ago and it died again. Upon inspection we could see several cracks in the joints. Decided a new board would be EASIER. I did NOT know my Bosch kts 340 with ...	9
	1999 Dodge Dakota 3.9L Misfire, MIL Lamp on VIN: 1B7GL22X9X thanks for all the help guys, what i found was a bad cam sensor/pickup in the distributor it inally acted up on me and the tach was going nuts.. it was plain worn out Trouble codes: P0301, P0302, P0303.	15
	2001 Dodge Dakota Sport 4.7L No Start, Poor Idle Quality, Stall VIN: 1B7HL2AN61 well...its fixed! It turned out to be a bad aftermarket IAC. I installed a Mopar IAC and it idled perfect. The customer took the truck and no issues so far. Thanks to everyone who helped me. This site is awesome!	10
	2007 Dodge Dakota ST 3.7L security VIN: 1D7HE28K87 Thanks to all who took time to reply. I guess I'll never know exactly what the issue was unless I can talk to the tech at the dealer who programmed it. To address a couple of the questions put to me from the replies; The star mobile is the dealer scanner for ...	5
	2008 Dodge Magnum SXT 3.5L Starter Relay VIN: 2D4FV37V58 Sent this one back to the Dodge Brothers. When I called my customer, he told me that he had been having issues with the remote for quite some time and had already tried a new battery. I think that programing a new transmitter will fix him up. Thanks...Greg	3
	2000 Ford Focus Sony Limited Edition 2.0L No Start, Misfire VIN: 1FAHP3631Y After a bit of a blood bath the car is fixed. Turns out the coil wire and the EGR tube were a little too close and caused the wire for one side of the coil to chafe exposing the wire. I didn't pick up on it because when I tested it with my scope I must have mo...	11
	2000 GMC Jimmy Diamond Edition 4.3L No Start VIN: 1GKDT13W6Y this truck took a new fuel sending unit to get fuel pressur up to 69 psi runs and starts fine now thanks for all the help costomer didnt want a up date spider tree fuel injecters but seems ok	14
	1994 Honda Accord LX 2.2L Excessive Emissions, Open loop closed loo VIN: JHMCD5645R THANKS TO ALL OF YOU THAT REPLIED MOSTLY GREAT SUGGESTIONS ESPECIALLY ABOUT O2 AND CTS I STUDIED THE SIGNALS WITH MY MODIS IN GRAPHING MODE AND RUNNING IT ON THE DYNE AT 15 MPH AND COULD NOT SEE ANY BAD SIGNALS IT WOULD JUST DROP OUT OF CLOSED LOOP. SO I DECID...	11
	2008 Honda Fit Sport 1.5L Misfire, MIL Lamp on VIN: JHMGD37678 We adjusted the valves, several were tight,cleared codes and it road tested good, gave it back to them Monday, checked with them Thursday evening, all is well... I think you guys nailed it with valve adjustment! Thanks for the expert help! Trouble codes: P0300, P0301.	19
	1997 Isuzu Rodeo S 2.6L Clutch VIN: 4S2CK58E2V WE ENDED UP REPLACING ALL LINES AND THE RUBBER HOSE FOR LOOSING THE PEDAL OVERNIGHT. ADJUSTING THE MASTER CYLINDER ROD DID NOT HELP SO WE EXTENED THE SLAVE CYLINDER SHAFT ABOUT 1/4" TO FIX THE LOW PEDAL.	6
	2006 Kia Sedona LX 3.8L SRS system VIN: KNDMB233X6 Hello IATN, Thanks to Brian from Texas and Michael from Arizona for their helpful info. 1) The Modis does not have the software from Kia for Air Bags. 2) The Passenger side airbag seat pressure sensor works fine but, the seat belt warning light does not c...	4
	1999 Lexus RX300 3.0L MIL Lamp on VIN: JT6HF10U6X thanks to everyone i have to replace the 2 o2 sensor because my ltft and stft were to high whit the new one the fuel trim goes down and after 2 trip of 50 kilometer the light is always off ,thanks again. Trouble codes: P0125, P0171.	12
	1985 Mercedes-Benz 300D 3.0L vacuum VIN: WDBAB33C1F thanks guys, you will never guess what the repair turned out to be... it was the mono valve insert... ha ha. most 16 replies said to check it and it was corroded, allowing little flow. thanks to you all, Dave	17
	1994 Mercedes-Benz E320 3.2L Belt Tensioner VIN: WDBEA32E6R Thank you everybody for your replies. Sorry it took so long to get back to you. The tensioner was the problem. Installed a new tensioner and shock and everything is good! Thanks again!	11
	2002 Mercedes-Benz CLK55 AMG 5.5L convertiable roof VIN: WDBLK74G02 Thanks to Terry, Richard, Robert, Martino the car is fixed. The cables under the liner after first bow were broken. Replacement was straight forward, took us 1/2 hour for each side. The hard part was to order the CORRECT part from the EPC. The correct part # w...	5
	2006 Mercedes-Benz ML350 3.5L MIL Lamp on VIN: 4JGBB86E96 I checked cam timing through cam position sensor holes as described in service manual and indeed the 2 right bank cams are off,the intake more than the exhaust.I advised customer that further diagnosis was nescessary but declined all repair(fed up with this pi...	6
	1999 Mercury Cougar 2.5L brake lights VIN: 1ZWFT61L7X I found the bulb modual, it was behind the fuse box on the left side of the dash. It had a 25 pin connector and one of the wires was not makeing a good connection. I'd like to thank all that contributed their in sight in to this problem. Thanks guys. Dick [...]	9
	1996 Nissan Maxima GLE 3.0L no crank VIN: JN1CA21D9T Thanks for the help. Found out the ignition switch I replaced was bad. Replaced it with new one and car starts. thanks to all	3
	2007 Volkswagen Passat Value Edition 2.0L Manifold VIN: WVWJK73C67 Sorry for the delay in closing this post. When I had posted the update, I had found the manifold to head fasteners were loose and i thought that was the leak. After I removed the manifold/turbo from the vehicle i could see the crack that ran from just under th...	5

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