Automotive Technicians Technical Discussion and Fixes for Jan 10, 2013

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	Help Request	Answers
	2003 Aston Martin Vanquish 6.0L a/c VIN: SCFAC23363 This vehicle came in with poor cooling, while test driving after about 10 minutes the vents went warm with the control set for maximum cooling. The outside temperature was about 75 degrees f. I need to scan the system and there is a OBDII type connector on the...	View
	2006 Audi A4 2.0L tank vents VIN: WAUDF78E06 as stated below, customers complaint is at refilling fuel pump shuts off early on fill ups. I checked purge sol, seems to work fine and I cannot see a reason this would cause a problem with early shut off of fuel pump. I checked the gravity valve at tank by bl...	View
	2005 BMW X5 3.0i 3.0L No Start VIN: 5UXFA13505 Hello everyone I have one here that is giving me some trouble. The car runs great no driveability issues, no check engine light, no trouble starting everyday until you go and fill up gas tank. When customer goes to fill the tank she says the car 9 times out of...	View
	2007 Cadillac Escalade 6.2L Poor Idle Quality VIN: 1GYFK63807 hi guys need some help i have this cadillac escalade 2007 the problem it the truck giving a code p0121 tps problem so i change the throttle body with a gm part i try to relearn the idle with the snapon scanner the idle some times ok if i give it gas the idle s...	View
	2000 Chevrolet Silverado 1500 5.3L 4wd VIN: 1GCEK19T1Y Customer complaint 4WD not working & Service 4WD light on. I scanned system using my brick only to find no codes. When you first turn the key on you should see all the lights on the switch come on and they don't. I ckd the 3 fuses associated with the system an...	View
	2005 Chevrolet Colorado Z85 LS 3.5L Hesitation, Surge, Cuts out, Stall, MIL Lamp on VIN: 1GCCS13685 I been having this problem with this truck ( my personal vehicle ) , it started with that dreaded message i the instrument panel "power engine reduced , traction fault " and the CEL coming on and as you guys may know once that shows up the truck wont accelarat... Trouble codes: P060E, P2135	View
	2002 Chrysler 300M 3.5L reverse VIN: 2C3HE66G02 Vehicle came in with complaints of reverse slipping- drive gears OK. Scanner pulled p0736 and p1790. I verified car has reverse and drives/shifts well but with a load in reverse, it will start to slip. Fluid is very clean albeit overfilled by 1 1/2 qts. I drai...	View
	2004 Chrysler Pacifica 3.5L Head Gasket VIN: 2C8GF68404 Customer first brought it to me a month ago for an overheating issue. There was so much oil intrusion into the coolant system it looked like thick diarrhea. I flushed and flushed it till I had flow. I did a block test and it failed. I told the customer he was ...	View
	2000 Dodge Ram 1500 Laramie 5.2L No Start, Poor Idle Quality, Cuts out, Stall VIN: 1B7HC16Y8Y Died while idling. towed to the shop and started with WOT but would not idle. limped into shop under its own power. No codes stored in pcm. map sensor pid and vacuum guage reading are consistant, 7-9hg. removing brake booster vacuum hose from check valve for v...	View
	2001 Dodge Ram 1500 Laramie 5.9L Stall, Gas tank VIN: 1B7HC16Z81 As vehicle is driven the gas tank gains so much vacuum that the plastic tank "sucks" in and as its doing so the vehicle loses power. Any suggestions? Thanks	View
	1999 Ford E-150 Econoline 4.2L engine VIN: 1FTRE1421X Engine runs fine when cold, but looses power as it gets hot. with the exhaust system dropped, the exhaust manifolds get red hot. fuel pressure stays good, timing is good, doesn't loose spark, replaced the catalytic convertors and fuel filter with fuel pump. wo...	View
	2000 Ford Escort ZX2 2.0L No Start VIN: 3FAKP1136Y I have this Escort that has no spark on cylinders 1 and 4. Customer had engine replaced at another shop and I was told it ran for awhile then died other shop found flywheel hitting crank sensor they replaced sensor still no start. They took back and replaced f...	View
	2000 Ford Ranger XL 2.5L Stall, MIL Lamp on VIN: 1FTYR14C9Y Greetings Ford techs, This one has me stumped I am the 3rd shop to tackle this problem. The truck will intermittently stall after coming to a stop. It will stumble, and seem to misfire for a few seconds before it dies. Usually I can create the condition, if I ... Trouble codes: P0302 (Cylinder 2 missfire detected)	View
	2004 Ford E-350 Super Duty 6.0L Alternator VIN: 1FDWE35P14 The glow plug control module failed...replaced with new unit from ford, glow plugs all ohm out at same reading. This truck has had at least 6 alternators installed in the last year or two. The first two rebuilt here..then cust took to Colonial Ford..they said...	View
	2004 Ford Mustang GT 4.6L Shifting VIN: 1FAFP42X64 Grinds from 3rd to 4th after "friend" changed clutch. Other gears okay. Possible pilot bearing? syncros? help?!	View
	2010 Ford Focus SE 2.0L Noise VIN: 1FAHP3FN6A Vehicle came in with what is best described as a turkey call noise as if you are scraping a turkey call box. Not necessarily rythmic. We thought it was belt related, but after removing the drive belt the noise was still prevailant. Using an electrnic stethisco...	View
	2011 Ford Ranger XL 2.3L Poor Idle Quality, Misfire VIN: 1FTKR1ED7B This vehicle was brought in and was running fine. Driver said check engine light was on and would barely run. Retrieved codes listed below and performed pinpoint test KG for the DTC P0210. Unable to find any failed test and we drove car for a week with no conc... Trouble codes: P0201 (Injector Circuit Open fuel Injector 1), P0219, P0301 (Cylinder 1 Missfire Detected), P0316 (Missfire Detected On Startup)	View
	1993 Honda Accord SE 2.2L Srs Light On VIN: 1HGCB7675P Customer needs to pass state inspection. Can't due to SRS light being on. Took to dealer and was told that vehicle needed a SRS control unit and main harness. SRS unit no longer available new. After leaving vehicle with dealer for a week or more, customer stil...	View
	2002 Honda Odyssey EX 3.5L Hard start VIN: 2HKRL18952 Hello fellow technicians, Im dealing with this Honda and was looking for advice on an intermittent or hard start. The van at any point hot or cold cranks longer than it should sometimes no starts but will usually start on the second crank or throttling the ac...	View
	2002 Jeep Grand Cherokee Laredo 4.0L Control Module VIN: 1J4GX48S32 VEH CAME INTO SHOP WITH AIR BAG LIGHT ON AND SEAT BELT LIGHT ON. TRIED TO RUNNING CODES BUT SCANNER WILL NOT COMMUNICATE. TRIED ALL OTHER MODULES NO PROBLEM. TRIED ANOTHER SCANNER SAME SITUATION. TESTED POWER And ground module has both. Any ideas	View
	2008 Jeep Grand Cherokee Laredo 3.7L Misfire Code po300 still comes back hot cold and not all the time Trouble codes: P0300	View
	2009 Jeep Wrangler Unlimited X 3.8L goes to default VIN: 1J4GZ391X9 This jeep was going into default intermittenly for some time now. Could clear the codes and it may go 2 weeks or 2 hrs before doing it again, Ususally sets P1745, although we did get the code for low pressure too a couple times. They had it to the dealer hopin...	View
	2000 Lexus RX300 3.0L MIL Lamp on VIN: JT6HF10U0Y I have a reoccurring P0440 Evap Emission System Malfunction, this is the fourth time back I have inspected the evap hose to air filter, it is attached and no sighs of cracking. Removed vsv for evap purge, inspected and found holding vacuum with no carbon build... Trouble codes: P0440 (Evap Emission System Malfunction)	View
	1993 Mazda MX-3 GS 1.8L Poor Idle Quality VIN: JM1EC434XP Car came in for fluctuating idle when hot.[when in gear] Car works fine when cold. Car works perfect in Neutral [again its a manual trans] As soon as you put it in 1st gear, the idle starts to surge up and down. Move the shifter back to neutral and it stops. C...	View
	2002 Mazda MPV ES 3.0L speedodometer VIN: JM3LW28J62 Hey guys hope your new year has started out good want to thank you in advance we replaced the trans in this mpv twice the first one leaked so we ordered a second one and installed everything went fine till test drive no speedo we ohmed and all sensors are in s...	View
	2003 Mercedes-Benz SLK320 3.2L Air Bag VIN: WDBKK65163 Need help from the Mercedes guys. I have a code 4 stored in the restraint system. Shop Key describes code 4 as a seatbelt retractor code. I replaced it and still have the code. I followed what little information is in Shop Key and not much help. If you unplug ...	View
	2012 Mercedes-Benz S550 4Matic 4.6L interior power VIN: WDDNG9EB0C Hello all Happy New Year, I have a S550 That I bought for myself. It had light flooding in the interior on the right side floor. SO far I have replaced the battery, Battery module on passenger side floor, Fuse box on driver side above the front SAM. I replaced...	View
	2010 Mercury Mariner Premier 2.5L Exhaust Valve VIN: 4M2CN8H73A Hi Everybody, This vehicle came in with a misfire thst we traced to a burned exhaust valve on #1 cylinder. Had Low Compression on #1 the rest were fine about 160psi. We replaced the valve, sent the customer on his way, now 250 miles later, the vehicle is back ...	View
	1999 Nissan Maxima GLE 3.0L power steering VIN: JN1CA21D9X After replacing power steering pump with 2 aftermarket pumps there is no power steering assistance.	View
	2001 Nissan Maxima GLE 3.0L Catalyst monitor VIN: JN1CA31D41 I am seeking info from anyone who has experienced difficulty on this type of vehicle. The cat monitor has not completed for several hundred miles with no inhibiting factors determined. I have heard a very very long cruise is required for this problem child and...	View
	2008 Nissan Versa S 1.8L No Start Customer came in with this prime piece of Asian engineering. Had a rod knock and was over heated. Still ran when it came in but barely. Customer wanted nothing else to do with the car, so gave it to us. Rather than remove and rebuild this motor, we decided to ...	View
	2002 Saturn Vue 3.0L MIL Lamp on VIN: 5GZCZ63B42 throws lean codes both banks, however fuel trim is running negative on long and short term in freeze frame . live data fuel trim is around zero ,back and forth,pos-negative Trouble codes: P0171, P0174	View
	2005 Toyota Camry 2.4L low power VIN: 4T1BE30K95 Vehicle all of the sudden lost power. It drives ok without a miss but lacks good acceleration. We replaced the forward converter. No change. We took off the pipe at the new converter. No change. It does have a knock sensor high code but their light has been on...	View
	2006 Toyota Tundra SR5 4.7L Hesitation, MIL Lamp on VIN: 5TBET34166 This unit visited the local dealer first, after seeing the estimate for $3185.00 customer retreated for a second opinion about his secondary air injection so I looked for any alternative on parts thru world pac.While they did not have the parts the helpful peo... Trouble codes: P2440 (secondary air inj. valve stuck open bank 1), P1441 (secondary air injection switching valve 2 bank 1), P1442 (sec. air inj. switching valve 2 stuck close bank 2), P1444 (secondary air inj. switching valve 2 stuck open bank 2)	View
	2000 UD 1400 4.6L No Start VIN: JNAUZV1J0Y Truck came in no start. i quickly decifered i was not getting fuel past the injector pump. Fuel to the pump seemed good. I then went online and downloaded the UD service manual. I then did the self diagnostic and I was coming up with a code 16, which means cra... Trouble codes: 16 (Crank sensor no pulse)	View
	2003 Volkswagen Beetle GL 2.0L Cooling Fans VIN: 3VWBK21C63 The cooling fans run all the time even after you shut the key off, till the battery is dead. we can get it to shut off by unplugging the coolant fan control module (a new one didn't solve the problem) we also tried unplugging the high pressure a/c switch and t...	View
	2004 Volkswagen Phaeton V8 4.2L No Start VIN: WVWAF63D14 Vehicle came in tow with no start condition. Put the key in the ignition and the dash shows "steering defective workshop" and the radio starts to work. Scanner communicates only with radio, nothing else. All fuses ok, checked for water at the driver's side und...	View
	2005 Volkswagen Beetle GLS 2.0L Turn Signals And Windows VIN: 3VWCM31Y45 We have looked at this car on and off over the last couple of days. Customer states the turn signals and windows become inop after a long drive. We have tried to duplicate and can not. The only bug we noticed was the flash to pass and the bright lights switch ...	View
	2006 Volkswagen Jetta TDI 1.9L 3rd & 6th gear VIN: 3VWST71K06 She said the Jetta neutrals in 3rd gear and 6th gear once in a while. She pulls over, and turns off the car and restarts it. It seems to be good after that. But it might happen 4 times in a row. Our local trans shop does not overhaul this transmission. We coul...	View
	2007 Volkswagen Passat 2.0T 2.0L headlights VIN: WVWAK73C87 Hello i have this passat here the customer complain of the head light not being bright. i checked it out and it looks like the drl are on and very dim. not enough for night time driving. Turing the switch on does not change anything other than the tail light c...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2005 BMW Z4 3.0i 3.0L warning lamp VIN: WBABT52050 Hi Team Sorry this has been so late to close. We had to have the air bag system reset at BMW. Thanks for help	11
	2002 Cadillac Escalade 6.0L Ebctm VIN: 1GYEK63N82 FINALLY! This nightmare is history. The "new" preowned EBCM had a bad MPA switch. A couple thing complicated this diagnosis, one being cannot always trust the readings on a Genysis scanner when it says "charged" full time even though it should have stated "...	6
	2004 Chevrolet Corvette Z06 5.7L Clutch VIN: 1G1YY12S64 Ok, I'm calling this one fixed. We had the car here for 2 weeks...no problems. Thanks to Steve in Florida, we installed the Lingenfelter spring kit and let it go. I think it was lack of use. The pedal had lots of powder around the pivot points.	13
	2009 Chevrolet Tahoe LT 5.3L Hesitation, MIL Lamp on VIN: 1GNFK23019 Sorry took me so [...] to close it out but my boss give it back to the owner he said he'll take it to the dealer. that was monday, so I didnt get to do some of the test that you guys have sugested. by the way we have 2 scanners and showed same codes. also the p...	10
	2009 Chevrolet Impala LS 3.5L alt. going to close this so i don't forget thanks to ya'll was just trying to get a better understanding wanted to make sure that i didn't screw up called customer today and all is well. thank you again.	5
	2004 Chrysler Pacifica 3.5L Oil Preasure VIN: 2C8GM68494 alright,thanks for all the replys & advise,finaly found retainer cap for pres regulator install upside down.goes in cup down not like a freeze plug,was overpreasuring spring causing too much oil pres.btw the sliver was from stripped pan & bearings looked great...	11
	2003 Dodge Ram 2500 5.9L Engine VIN: 3D7KU28C13 Thank you for all the help with this. With all the suggestions we got, we removed the intake air heater from the intake manifold and tested both heating elements. Using an infrared thermometer both elements went to 300+ degree F. in approx. 10 seconds. Also...	28
	2003 Dodge Ram 2500 5.9L Safety VIN: 3D7KU28C13 Thanks to all of you who helped me. I am sorry for taking so long to close this. It was suggested that there are a couple of ground wires attached to the inside of the firewall that could be disconnected. It was also suggested that there might be a connector t...	9
	1997 Ford Contour GL 2.0L MIL Lamp on VIN: 1FALP6536V thank all of u guys i finally i fix the car the catalytic converter was the problem it was clog it kept the egr open the change the converter the problem thank you guys so much	10
	1998 Ford Taurus SE 3.0L bent valve VIN: 1FAFP57U3W Hi Everyone, It's a stretch to call this "fixed", but it's no longer my problem. The owner was a student, traveling and the cost of a proper repair (replacing the questionable engine) was about $2500 with a used powerplant... I received some very good suggest...	16
	2002 Ford F-350 Super Duty XL 7.3L No Start VIN: 1FDWF36F42 What a pleasant experience IATN was this time. I will summarize replies and thank everyone. As Ryan [...] said --it's the hpop or high pressure oil pump. It certainly was. Pump wasn't changed immediately due to cost and that high pr... Trouble codes: P1212.	18
	2005 Ford Ranger XL 3.0L MIL Lamp on VIN: 1FTZR44U45 Thank you to all who took the time to reply. We greatly appreciate your input. The customer has declined any further repairs. We let him take the truck over the weekend and the light has not returned for him. I am assuming he does not drive it very hard an... Trouble codes: P0303 (cylinder 3 misfire).	25
	2002 Honda Civic EX 1.7L Misfire, MIL Lamp on VIN: 1HGEM21992 I would like to thank everyone for the help and appoligize for the delay of the close of this post we just wanted to make sure that the car was fixed before we closed the post. We went back over all our test from before and found that one of the new coils had ... Trouble codes: P0301 (Cylinder 1 misfire), P0302 (Cylinder 2 misfire), P0303 (Cylinder 3 misfire), P0304 (Cylinder 4 misfire).	18
	2005 Jeep Grand Cherokee Limited 5.7L Heater core VIN: 1J8HR58275 Thanks for all the advice. Upon further inspection there was internal pitting inside the flanged portion. I hope not to regret this but I did not use silicone since we did find a problem. The marks inside the tube also showed a small crack with a magnifying gl...	7
	2006 Land Rover LR3 4.0L light on VIN: SALAE24486 Hi guys sorry for the late closing on this post. We were hoping the customer would authorize the extra work but there was no room left in the budget (christmas). With your help we are confident that the suspension compressor and drier need to be replaced as we...	6
	1993 Lexus ES300 3.0L Poor Idle Quality, Surge, MIL Lamp on, Od light VIN: JT8VK13T7P Hi everyone and thanks to all of you who replied. After activating all the transmission solnoids lots of times and still not finding a shorted one we moved to rechecking grounds. We found a few to be located in the wrong place. We put them in the correct pl...	15
	2001 Lexus RX300 3.0L abs VIN: JTJHF10U61 First of all, thanks for the replies and sorry for the delay in posting a fix, this is a lot vehicle for sale and we've been way too busy with retail repair customers lately. Started by disabling ABS by removing relay, problem was not present during several r...	9
	2001 Lincoln Navigator 5.4L MIL Lamp on VIN: 5LMFU28RX1 So we pulled the intake off to gain access to the EGR valve once the intake was off i smoked the egr and found there was a leak in between the egr and the egr adapter pulled it apart and found that the egr adapter was all pitted causing a vacuum leak it took a... Trouble codes: P0174 (Bank two lean).	24
	2002 Mercedes-Benz C240 2.6L Hesitation, Cuts out, Stall VIN: WDBRF61J12 Sorry everyone for the late reply, better late than never! But Layne was right on the money about fuel pumps going out. What didn't make sense that it started up and checking the fuel pressure never came to mind. So we ended up testing fp and there it was 10ps... Trouble codes: P2050, P2051, P20D4.	8
	2006 Mercedes-Benz ML350 3.5L MIL Lamp on VIN: 4JGBB86E56 Thanks to everyone that replied, this vehicle is now fixed & out the door. Decided to bite the bullet & replace the intake manifold, when we removed the old intake & swapped the throttle body we were able to look inside & discovered that the bushings for the l... Trouble codes: P2006.	8
	2003 Mini Cooper 1.6L Mechanical VIN: WMWRC33473 Thanks for the input. I want to put a remanufactured unit in. With a 60-80k life expectancy. I don't need the headache of it coming back in a few thousnad miles.	7
	2004 Mini Cooper 1.6L Electronic VIN: WMWRC33424 Customer ended up taking car to Mini and they flashed the TCM and replaced a speed sensor.	3
	1994 Nissan Altima GLE 2.4L electic windows VIN: 1N4BU31D8R Want to thank all that replied.Most said that the same thing that I had thought that the switches were bad.Turns out that it has a amp that supplied voltage to all the rest of the windows in the passenger door.That amp didn't have voltage to supply it to work....	9
	2000 Nissan Xterra SE 3.3L No Start, Cuts out, Stall VIN: 5N1ED28Y2Y Well sorry for being so late but it took a while to get the computer back . installed the computer ,had a code for the purge valve ,test the valve , shorted , put a new one and all done . Thanks all respondents for taking their time to help...greatly appreci...	9
	2005 Saab 9-3 Arc 2.0L MIL Lamp on VIN: YS3FD79Y35 Thank you for all the input we took Pete and Anders advice and did a cold leak down test and it had intake valve leaks as they had indicated. We recommended that the customer take back to the dealer who installed a used engine to check on warranty . Thanks Aga...	3
	2008 Saab 9-3 2.0T 2.0L cranks , no start VIN: YS3FB59Y48 The cold start long cranking problem was leaking intake valves that were too soft to handle the job. They were actually flattened into the seat and the guides were worn too. It seems to be a common problem now that these GM 2.0's are reaching 70K plus. What a ...	17
	2007 Suzuki XL-7 Luxury 3.6L MIL Lamp on VIN: 2S3DA51717 Took the PCM off of the battery and left it off overnight and plugged it back in the next day and was left with two "hard" codes. The air temp sensor code and the cam/crank correlation code. Fixed the air temp code by replacing the air mass meter which has t... Trouble codes: P0008 (Engine position system performance Bank 1), P0116 (ECT coolant sensor performance problem), P0100 (MAF circuit), P0018 (Crankshaft/camshaft correlation position Bank 2), P0113 (Intake air sensor).	4
	2005 Toyota Camry 2.4L smell VIN: 4T1BE32KX5 Thank You to all who responded. After the customer returned we found oil on the exhaust manifold. You would only smell it after freway driving and coming to a stop on the offramp(not explained on the first visit). Thanks again to all.	16
	2008 Toyota Tundra SR5 5.7L Long crank time VIN: 5TFBV54148 I am going to close this but have not yet fixed it. On Sunday I came in and moved it, let it sit for 1 hour. Started it back up and it cranked long and when it started blew a bunch of black smoke. So I figured it was leaky injectors. Pulled them out on Wed...	11
	2000 Volkswagen Passat GLS 1.8L No Start VIN: WVWMA23B7Y Sorry for the delay in posting a fix, but I wanted to be sure. The problem ended up being corroded wiring at the TCM under the carpet on the passenger side of the vehicle. Once I cleaned the wiring the vehicle started up and has been running since. Thanks f... Trouble codes: P0601, 16985.	15
	2004 Volkswagen Passat GL 2.0L Pressure control valves 1 2 3 4 intermittent VIN: WVWME63B64 Don't have an answer on this one yet. I do have some good information. The transmission control module is located under the carpet on the passenger side in front of the seat. the pollen filter housing leaks and runs water under the carpet flooding the tcm whi...	5
	2008 Volkswagen Jetta SEL 2.5L Current Draw VIN: 3VWRM71K18 Thank for all the great replies, I really appreciate all the help. This one is fixed! First, the reason the interior lamps were lit after I replaced the passenger front door module was I had the battery connected and the door open when I disconnected the doo...	9
	2005 Volvo V50 T5 2.5L starter VIN: YV1MJ68235 Man I love iATN!! We did the battery cable thing and then checked the plugins to the CEM and there it was. One of them was loose. Plugged it in and everything started working! I was about to give up but you guys saved the day. Thanks!	8

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