Automotive Technicians Technical Discussion and Fixes for Aug 1, 2013

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	Help Request	Answers
	2004 Audi A4 Quattro 1.8L Fuel gauge VIN: WAULC68E14 Hi guys, ive got a fuel level reading situation. Primary level sensor(g) i ohmed out 58ohms full 300ohms empty. 60ohm full 301ohms empty on secondary. Opposite left to right. Sweep on the scope is nice and smooth by hand with no glitches. Gauge passed actuator...	View
	1999 BMW Z3 Roadster 2.5L Suspention VIN: 4USCH9335X The issue with the car is it will pull to the left hard. If you make a sharp turn (as in a tight circle in a parking lot) the pull with then be to the right. The tires have been rotated from front to rear, and cross rotated, and even a different set of tires p...	View
	2004 BMW 330Ci 3.0L Mechanical VIN: WBABW53474 have an oil leak on top of engine in the middle. the wire loom for map sensor has oil coming down it. and oil on map sensor. how can that be theres no oil in intake. but it looks like oil coming out od the back of map sensor. no no for sure if this is a map se...	View
	2009 BMW 335i 3.0L Hesitation VIN: WBAWL71089 Need help from BMW techs; This 335i with the N54 motor with only 20k miles on it;goes intermittently and not very often; into reduced performance mode. Also noticed once in a while it will take little longer cranking than normal before it starts and for a coup... Trouble codes: 2FBF, 29F2	View
	1991 Buick Skylark 2.3L Excessive Emissions, Poor Idle Quality, Surge, Poor Fuel Economy VIN: 1G4NV14DXM The vehicle is surging bad and putting out black smoke, with A/C on. After it starts surging you can shut the A/C off and it will still surge just not as bad. I checked the air intake no issues found. cleaned throttle plate. while vehicle is acting up I can re...	View
	1998 Chevrolet Corvette 5.7L CD changer VIN: 1G1YY22G8W Customer brought vehicle in with complaint that when switching from radio to cd, intermittently will get ERR display and cd player will not work. We have had vehicle for 3 days with 4 different people trying it and have NOT duplicated the problem. It has am/fm...	View
	2007 Chevrolet Suburban 1500 LTZ 5.3L Axle seal VIN: 1GNFK16337 Front, left axle seal leaking. Original visit found stub shaft pitted and chewing seal. Customer in a hurry and could not wait to obtain replacement shaft. We cleaned up shaft and replaced seal. One month later shaft seal leaking as we thought it might with th...	View
	2001 Chrysler Town & Country EX 3.8L lose power to coils VIN: 2C8GP74L51 Van was driven to Minnesota and back no problem. Last week it started to die intermittently, more and more often until yesterday it will run only about 30 seconds and die. I ran a wire from the pk/wt wire on the ignition switch to the brn/wht wire on the coil ...	View
	2004 Chrysler Town & Country Touring 3.8L MIL Lamp on VIN: 2C4GT54L94 Vehicle first came to us 7/10/13 with Check Engine Light on. The code it had stored was P0135 b1s1 02 Sensor Heater Performance. Checked everything out following diag procedure. Ended up replacing 02 sensor because heater circuit was open. Test drove three sep... Trouble codes: P0032 (O2 Sensor 1/1 Heater Circuit High), P0132 (O2 Sensor 1/1 Voltage High)	View
	2005 Chrysler Town & Country Limited 3.8L unknown VIN: 2C8GP64L55 I have a van making a high pitch squeal, ringing noise at 50-60 mph only, that varies slightly with speed. I can make the noise increase or decrease with throttle input. I cannot duplicate in neutral or power-braking, it only makes it while driving, after thor...	View
	2000 Dodge Dakota 4.7L Surge, Stall I need some help an this Dodge Dakota, Sorry no VIN I'm posting at Home. This Dakota has a Idle surge/Dip more like an idle sag and some times the idle drops so low it stalls. The idle never sags when I stop from 1st gear it only sags after the trans has shift...	View
	2007 Dodge Sprinter 2500 3.0L Fill VIN: WD0PE74557 We installed a Mopar trans and have talked with Dealer tech - need to know if he was correct (he says 3 qts)... These units come with some fluid in them - we flushed cooler and have install new unit we have purchased the correct fluid and now have borrowed the...	View
	1992 Ford Taurus L 3.0L Poor Idle Quality, Hesitation, Surge, MIL Lamp on VIN: 1FACP55U5N This car belongs to a very nice customer of ours and has recently had it stolen only to be returned to him in terrible condition. We've had the luxury of having it with us now for a couple weeks and i can tell you I'm a little stumped. All i got was it was run... Trouble codes: 172 (176 -), 176 (326 -), 326 (testing and results)	View
	2000 Ford Explorer XLT 4.0L the VIN: 1FMZU73X2Y I need to fine out the five-digit code for the key less drive door I just bought this truck.. I would like to change the..code the old owners did not know it...thank for your time ...god bless!!!	View
	2000 Ford F-150 Lariat 5.4L a/c compressor VIN: 1FTRX18L8Y hey,, im not the greatest with a/c so bear with me.. compressor wont engage, checked all fuses relays, have power to presure switch and have only power to compressor clutch but no ground to clutch ..? where does ground come from to clutch? system is charged..t...	View
	2002 Ford Focus SE 2.0L Charging VIN: 1FAFP34322 Customer brought vehicle in for motor mounts to be replaced . My tech replaced both mounts Right front Fluid filled mount below coolant reservoir & upper tranny mount. Customer picks up vehicle drives for 1 hour and calls that his vehicle died and wont restart...	View
	2003 Ford E-250 5.4L cranks but won't start VIN: 1FDPE24L23 I have a Ford Econoline van that has had trouble starting. At first the fuse for the PCM kept blowing changed and reflashed it. Still kept blowing. Found that the o2 sensor was sticking to exhaust. Changed it, started right up. Now customer brought back becaus...	View
	2005 Ford F-350 Super Duty Lariat 6.0L poor performance VIN: 1FDWW37P65 Hey all, this truck came in with gasoline in the fuel,drained fuel tank,replaced oil and filter,fuel filters,flushed fuel injection system and replaced egr cooler (leaking coolant).We installed a new Bullet cooler,new oil cooler,egr valve,cleaned turbo,started... Trouble codes: P0046	View
	2006 Ford F-250 Super Duty XLT 6.0L oil on glow plug VIN: 1FTSX20P86 I am removing all the glow plugs and i noticed every glow plug was covered in oil , is this a normal condition or is this a sign of something else wrong ?should i be worried ?	View
	2007 Ford Freestyle SEL 3.0L Duct temps VIN: 1FMZK02157 This Freestyle with auto temp blows about 10 degrees warmer on the passenger side than the driver side. If set at 60 on both, the drivers side will do 60, but the passenger side does 70. It has the proper amount of freon, the pressures are 32 on the low side a...	View
	2010 Ford Taurus SEL 3.5L Engine VIN: 1FAHP2HW8A Greetings! I have an unusual oil leak that I hope someone has encountered before with this 3.5L Taurus. I have located an engine oil leak on the left side of the block, just above the AC compressor and below the alternator. It is coming from a little plug tha...	View
	2010 Ford E-450 Super Duty 6.8L odometer VIN: 1FDXE4FSXA I have a motorhome that reads speed in MPH but the odometer reads on kilometers. It also had a battery draw and the battery was an aftermarket one showing it had been replaced. I am assuming from the battery going dead and being jump started from the coach bat...	View
	1997 Honda Accord SE 2.2L ecm VIN: 1HGCD7208V Ok before you say it the milage looks to be right. This car came in with a code po135 and po141 both o2 heater codes first thing I did was check the fuses , they are good. Customer replaced the up stream o2 but it did not fix even that code. Next I ran test on...	View
	2004 Honda Odyssey EX 3.5L Excessive Emissions, No Start, Poor Idle Quality, Stall, Acts flooded VIN: 5FNRL18934 This vehicle came in with a no/hard start and acting flooded and, of course, only intermitently. Checked and found 153 confirmed fast fixes on Identifix for the PGM-FI relay. Found the relay and it smelled a little burnt. Replaced relay and the vehicle started...	View
	1996 Jaguar XJ6 4.0L refrigeration VIN: SAJHX1745T After recharging the system I started the engine and turned the A/C on and checked for compressor function. The compressor was turning so I went for a test drive during which the air coming from all vents in the cabin remained hot. The car had been sitting in ...	View
	2002 Jeep Grand Cherokee Overland 4.7L drivetrain VIN: 1J8GW68J92 Hello Jeep Techs. Great customer purchased this nice jeep with a salvaged title (issued salvage because a tree branch fell onto the hood). Complaint is that when you come to an intersection, stop and wait for an oncoming car to pass, and then turn left or rig...	View
	2003 Jeep Liberty Limited 3.7L engine rattle VIN: 1J8GL58K33 Replaced head gaskets,radiatorand tensioners. wouldn't start, pass side chain off 1 tooth. re timed engine, started and ran o/k. after warm, engine rattles. removed timing cover and swapped in old tensioners- same noise. re-installed new tensioners and changed...	View
	2003 Jeep Wrangler Sport 4.0L 4 way flashers VIN: 1J4FA49S03 This vehicle is a flood victim that blows the battery power fuse to the flasher when hazard lights are turned on with the ignition key in the off position. Everything works fine with the key on. Both the TS switch and flasher where replaced with aftermarket pa...	View
	2006 Lexus SC430 4.3L MIL Lamp on VIN: JTHFN48Y06 There is a short between o2s signal and shield. What commercially available single strand shielded wire should I use? Available from whom? Scavenge from junk harness? Trouble codes: P0154	View
	2008 Lincoln Town Car Executive L 4.6L dtc(s) VIN: 2LNHM84WX8 hello everyone, i got a brain teaser here and im leaning towards a ecm problem but here we go. i got this 2008 towncar from another shop and they replaced all four o2 sensors, egr valve, and evap purge vale. problem was still their so they kicked out to me aft...	View
	2004 Mazda 6 i 2.3L No Start, Stall, MIL Lamp on VIN: 1YVFP80C94 Hello everyone! A Guy Run this car in a ditch and now it has a no start with a p0340 code. Found out the oil filter cap was busted and oil drained out. Got that fixed now. Then everyone said check timing because of low oil issue, but found the timing was okay.... Trouble codes: P0340 (Cam Position Sensor Circuit Malfunction)	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
	1997 Porsche 911 Targa 3.6L MIL Lamp on VIN: WP0DA299XV Have read several posts relating to this car for a mil light on with engine mis-fire codes and a rough idle. Several people responded back talking of the main engine harness as a possible repair. Car has had a complete tune-up and still throws the mis-fire cod...	View
	2006 Saab 9-3 Aero 2.8L starter VIN: YS3FH46U86 intermittent no crank condition codes me9 u0212 00, esp u2139 00, esp u2143 00,esp u2142 00, cim u2100 00 dealer replaced cim and then told the customer that the problem was in the wire harness. i replaced cim with a used one and also a new ism and renewed j73...	View
	2001 Subaru Outback L.L. Bean 3.0L Radio This is for my own car...sheesh! Got in car one day last week and pushed radio power button... And nothing happened- radio dead. Nothing at all on display screen. Checked every fuse in both the passenger compartment and the box in the engine compartment. All f...	View
	1996 Suzuki Sidekick JX Sport 1.8L Hesitation VIN: JS3TD21VXT hello friends technical this is my first time I make a post, sorry for my English the vehicle it has backfires through the exhaust at 3500 rpm, I check fuel pump pressure ok, sprakplugs ok, coil ok, please some ideas to fix it thanks	View
	1997 Toyota T100 DLX 3.4L Misfire VIN: JT4UN22D9V Hey Fellow Techs. Working on This T100. Intermittently the vehicle will misfire on cyl. #2 in park or in gear and cyl. #1 only in gear. Watching misfire on scan tool. Replaced plugs wires Igniter and coils. Same problem same cylinders misfiring #1 and #2. Swap... Trouble codes: P0300 (Random Misfire), P0301 (1 Cyl. Misfire), P0302 (2 Cyl. Misfire)	View
	2002 Toyota Avalon XL 3.0L Poor Idle Quality, Hesitation, Misfire VIN: 4T1BF28B22 This car came because it was idling low and rough. It was also having a hard time starting. I replaced the IAC and it fixed the low idle/ hard start problem. It still idles rough and has a misfire on light accel. I checked the compression and did a leak down t...	View
	2006 Volkswagen Jetta 2.5 2.5L Timing Chain VIN: 3VWSF71K36 Hello everyone, and thanks in advance for any help received, anyhow I have this vw jetta 2.5, with suspected timing chain issues, anyhow I would like to check the timing, or atleast install the special tools I purchased to remove chain and check to see if its ...	View
	2008 Volkswagen GTI 2.0L passenger side headlight VIN: WVWEV71K88 this customer brought this vw to me very frustrated.The headlights are very expensive and they have replaced the head light twice.the dealer replaced the headlight once then another shop replaced the headlight and ignitor. when they brought it to me and told m...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2002 BMW X5 3.0i 3.0L Fail Safe VIN: 5UXFA53522 Thanks for the input. I tried every reset possible but it has a internal transmission problem. We put a remanufactured trans in it about 40,000 miles ago direct from BMW. No warranty after two years. Really sucks for the customer. She is getting rid of it.	5
	2005 BMW X5 3.0i 3.0L left headlight low/high beam VIN: 5UXFA13565 Performed adaptive headlights control module reset fixed the problem. sib 63 07 05. Ive seen this bulletin before but never found the procedure in autologic. It was in adaptive headlight module under component activation, last page and last option is module re...	7
	2008 BMW X5 3.0si 3.0L No Start, Surge, Cuts out, Misfire VIN: 5UXFE43518 OK THANYOU ALLL GUYS FOR YOU HELP.I DECIDED TAKE TO BMW.THEY TALKME THAT CAR NEEDS VALVETRONIC MOTOR(THAT I THINK WAS NOTHING WRONG) AND RECALIBRATION.CAR IDLE OK NOW BUT P0012 CODE CAME BACK AFTER 10 MILES, ROAD TEST THEY SAYING THAT VANOS UNITS CLOG WITH SL... Trouble codes: 2A9A.	6
	1998 Cadillac Eldorado ETC 4.6L window VIN: 1G6ET1294W thanks to all who offered help...the problem was pink wire was short to ground in side roof panel,on rear rt passenger side.the relay was also bad probably because of the short...once again thanks to all...	6
	2001 Chevrolet Silverado 1500 5.3L Obdii monitors VIN: 2GCEC19TX1 Hi there, good day to all, after reading 31 replays, this truck is fixed, after running the evap test and AIR test time and time again , we checked for pending codes, but none was found.then we check for failure records, voila, d.t.c. po452, fuel tank pressure...	33
	2002 Chevrolet Impala 3.8L Poor Idle Quality VIN: 2G1WF55K52 SOLVED First of all I would like to thank everyone for their inputs and suggestions. IATN is and has been an awesome resource for information. I hope I answered everyone’s questions and provided all pertinent information. This has been a nightmare, but it ... Trouble codes: P0463 (Fuel Level Sensor Circuit High Voltage).	32
	2003 Chevrolet Venture LS 3.4L Stall VIN: 1GNDU03E53 hey first of all I would like to thank everyone who had something to add to this request, it really is good to know that you have people ho are willing to take time and lend a hand, after replacing the fuse box this allowed the vehicle to start and run after ...	20
	2003 Chrysler PT Cruiser 2.4L MIL Lamp on the fix was installing original intake cam, the why is because we got the wrong head, or one that fits earllier powertrain scheme,separate tcm from pcm, if intake cams are placed side by side, front dowels down, look at back side where cmp excitor bolts on, m... Trouble codes: P0344.	5
	2006 Chrysler 300 2.7L cabin temp to high VIN: 2C3KA43R76 Thanks for all the good suggestions we did replace condenser that did help stabilize the presures but still 69 to 71 degree temp in cabin. We found that the rcirculation door was broken and staying open all the time. We jammed the door closed and we got 62 deg...	8
	2003 Ford F-250 Super Duty Lariat 7.3L Stall VIN: 1FTNX21F13 You were all correct as removing the actual chip stopped all symptoms, however I did see this:when the chip is in the IPR on-time drops too low (6%) and oil press down to 280 psi, then the stall or hiccup. With the chip out IPR on-time at 10% and press at 380 ... Trouble codes: P0603 (KAPWR circuit), P0478 (Back pressure), P1211 (ICP lower/higher than expected).	6
	2004 GMC Envoy SLE 4.2L Poor Idle Quality, MIL Lamp on VIN: 1GKDT13S24 thanx for the positive responses,but this was a used car facilty's choice to put it back to the auction.after i installed solenoid it would only set code cold.i would've liked to checked the chain but??? hope this helps someone down the line.thanx again. Trouble codes: P0016 (Cmp/ckp correlation).	4
	2001 Honda Civic LX 1.7L Shifting into D VIN: 1HGES165X1 I finally got it fixed!! Problem was caused by my poor experience with this unit. I installed the detent arm pin in a wrong way. This caused manual valve to move a little bit and rotate. So, it was not getting full fluid flow. Yeah, I kicked my own butt o...	11
	2004 Honda Civic LX 1.7L head VIN: 2HGES16604 thanks for all the replies some were very helpful with the info given others just wanted to whine about the lack of info if you don't like what you read in a post pass by it plane and simple. that being said I check every thing else out I could we soaked the c...	14
	2007 Honda Odyssey EX 3.5L Engine VIN: 5FNRL38657 In brief, the front camshaft sprocket built-on keyway broke and spun on the camshaf. Therefore, timing marks stayed the same but the cam sprocket slipped. We had asked the customer to take to the dealer for a diagnosis, we would pay, and we'd correct the issu...	10
	2009 Jeep Grand Cherokee Overland 5.7L Instrument Cluster VIN: 1J8HR68T89 Due to the fact that this problem only occurred one time only,customer decided to just drive car.thanks for yhe responses,Just like any vehicle,regardless of the country it is made in, intermittent can problems are very tricky and could be caused by many co...	4
	2006 Kia Sedona LX 3.8L Electronic VIN: KNDMB23356 Sorry for the delay, I have not been on iatn for at least a month and forgot about this posting! The alternator did fix this issue. We installed a used alternator and customer has not called since. Thanks!	8
	2007 Lexus ES350 3.5L brake pedal VIN: JTHBJ46G47 Thank you for all your help, I had spoken with the lexus dealer and all it took was to gravity bleed the system. I had check all the guide pins and they were all free and unobstructed.	11
	2007 Mercedes-Benz GL450 4.6L temp. adjust button VIN: 4JGBF71E37 Thanks for all 5 replies! I've even put 1 qt more than it suppose to be. The oil level sensor is bad,it needs to be replaced and reprogram. For the temp. button (wheel) I just put some more pressure while turning it back to cool and it works. I just leave the ...	5
	2006 Mini Cooper S 1.6L engine light VIN: WMWRH33516 Mini is a fine auto manufacture. the cars break often and even the new parts they sell are bad. woo hoo i want one of those. hard to tell your customer the car they own is a POS with a smile. turns out the new thermostat we installed from the beginning was...	9
	2006 Mitsubishi Endeavor Limited 3.8L Seat Belt Lamp On Allways VIN: 4A4MM41S56 As said before, both switches in buckle work ok, the 3 wire sw is for SRS and works fine, by the way it seems to be normal those 15v that we found there. The other switch is a 2 wire sliding switch, it also works fine but the problem was just there, the screws...	1
	1988 Plymouth Reliant America 2.2L No Start, Stall VIN: 1P3BP46D7J Well, thanks for the quick reply from Dan from Wisconsin. MAP sensor was the culprit. And thanks to Michael from Alabama, the hose was fine, just had a crappy sensor in it. This isn't the first time I've been schooled by an 80's vehicle with TBI. Really hu...	11
	2005 Pontiac Grand Prix GT 3.8L Cuts out, Stall VIN: 2G2WS52245 First off, thanks to all the replies! And Kudos to Gene, Roger, Keith and Bill. It turned out to be the Crank sensor as suggested by all of them. Its very frustrating to have something like that not set a code and just "blip" enough to stall car, then work aga...	17
	2008 Pontiac Solstice GXP 2.0L Excessive Emissions, Poor Idle Quality, MIL Lamp on VIN: 1G2MG35X18 Thanks for the replies it helped me make a decision. The high pressure pump was leaking internally into the engine. checked the oil level it was high and reaked of gas (explains rich codes gas sucking thru pcv system). changed pump, oil, filter all is well. Go... Trouble codes: P2188 (Fuel trim rich at idle), P0089 (Fuel pressure regulator performance), P0087 (Fuel rail pressure too low), P1288 (Ft system rich at idle).	6
	2002 Subaru Forester S 2.5L Oil VIN: JF1SF656X2 Ended up running a bg109 engine oil cleaner through engine followed up by a oil change and a can of engine restore. Told the customer to check in with me in a 1000 miles to see how much oil was lost.	10
	2003 Toyota Corolla CE 1.8L Air bag light VIN: 2T1BR38E43 Well this on is off to a different dealer. Just as one member said there is a recall on this problem. Why the one did not check for this I don't know. I will update this when the customer gets back to me. I know they will cause this is the owners mother for th...	4
	2004 Volvo S80 2.9 2.9L brake pedal VIN: YV1TS92DX4 Thanks for the help guys- we did find the rotors severely undercut but before we could move forward the car lot that sold it to her stepped up and is going to make it right- we are glad they did- she needs the help! Greg, Julia and crew	4

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