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Prev Professional Automotive Repair Technical Discussions for January 16, 2014
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Open Help Requests for All Makes and Models
Help Request Answers
2007 Acura TL Type-S 3.5L Starting system VIN: 19UUA76577
Hey Guys Could use some help with this car. Vehicle came in with the Check Starting system warning on in the message display which is part of the speedometer. A test of the starting/charging system showed at bad battery. Installed a new battery and retested th...
2005 Audi S4 4.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: WUARL48HX5
Car came in on wrecker for no start. Checked and found bad fuel pump. Installed new pump and filter. Car started right up. Was missing terribly with check engine light on.Scanned and retrieved misfire faults.Checked spark plugs and coils , were good. Customer ... Trouble codes: P0300 (Random /multiple misfire), P0301 (Cylinder 1 misfire), P0302 (Cylinder 2 misfire), P0303 (Cylinder 3 misfire), P0304 (Cylinder 4 misfire)
2007 Audi A8 Quattro L 4.2L Remote VIN: WAUMV44E97
Codes 00956 key 2 and 00955 key 1 (002) lower limit exceeded every 3 to 4 weeks warning on instrument cluster says remote battery is low install new batteries all is great until 3 or 4 weeks i measured old battery was at 2.2 volts not sure at what voltage will...
2000 BMW 528i 2.8L No Start, DME no communication VIN: WBADM6348Y
I receive this car from another shop with a crank / no start condition, I can't communicate with 20 pin or OBDII with DME, Trans. module and ABS/TCS, I can communicate with Cluster, Air Bag, and EWS, I keep plug on one connector while checking the other, check...
2005 BMW 330xi 3.0L coolant bottle VIN: WBAEW53415
hey bmw people got this one towed in with overheating found coolant bottle blown replaced bottle refilled and bled system seemed ok next day blew off top hose at factory crimp clamp installed new clamp refilled tested for hc in coolant when hot none found next...
2005 BMW 645Ci 4.4L Engine VIN: WBAEK73405
Hello BMW techs,I am chasing a oil leak that seems to be a pressure leak.I have removed upper and lower covers and the stiffening brace looking for this severe oil leak.I have washed and cleaned the engine until it's spotless.Next I dyed the oil and tested wit...
2007 Cadillac CTS 3.6L No Start VIN: 1G6DP57747
Had a 2007 Cadillac come in, were it will not start when it is cold. Our shop sent the car out to another shop were the diagnosed the car and said the engine was bad, due to oil on the spark plugs. They started it with either, and took awhile for it to run on ...
1989 Chevrolet R1500 Suburban Scottsdale 5.7L Cuts out, MIL Lamp on VIN: 1GNER16K0K
This Sub. belongs to my neighbor, I got him a new aftermarket dist. after his failed (no spark, pick-up was cracked). He brought to me, had no fault codes or symptoms before failure except slight surge @ idle. After dist. installed, MIL would come on at hwy./c... Trouble codes: 42 (Electronic spark control)
1999 Dodge Ram 3500 Van 5.9L No Start, Poor Idle Quality VIN: 2B7LB31Z9X
Greetings all. This van was towed in with the complaint of no power but was received as a no start. Testing found no to erratic spark (tested at coil wire). When it became more consistent, it would run but poorly eventually stalling. I check the signal from th... Trouble codes: P0443 (EVAP/Purge solenoid circuit open/short), P1687 (No MIC bus messages received)
2006 Dodge Stratus SXT 2.7L Overheating VIN: 1B3EL46R76
Car came in customer complains that randomly the car would run hot about 3/4 of the temp guage but would also go down We decided to replace thermostat first and as soon as I drained coolant i heard the thermostat snap close, confident that this was the problem...
2010 Dodge Dakota Big Horn 3.7L 4x4 system VIN: 1D7CW3GKXA
coustomer brought in his 10 dakota herd a grinding noise well backing into his drive way test drove the vehical only makes the noise in 4x4 does not do it in 2wd cant pin point exactual were noise is coming from but sounds like transfer case every thing seems ...
1996 Ford Contour GL 2.0L speedometer
Hi all, I have this Contour in which the speedometer fluctuates and jumps all over. I realized this occurs when I turn on any electric load like the wipers or the lights or the blower motor etc. When I turn on the load the speedometer will act up to the pulse ...
2003 Ford E-350 7.3L leak VIN: 1FTSS34F23
here's for the diesel techs out there . this van came to fix a leak that comes out as a puddle on the valley section of the engine right behind the fuel filter housing . very hard to see so we took off the turbo to take a closer look from the back of the engin...
2005 Ford Crown Victoria 4.6L engine VIN: 2FAFP71W65
hi looking for some help with this one. car has sit for some time had the steering column replaced car ran for 3 hours then it came to me missing and running rough cats were stopped up and showed a map sensor code, runs rough I can unplug coil packs 1,2,3,and ...
2006 Ford Expedition King Ranch 5.4L airbag light VIN: 1FMFU17586
Hey guys. We do a lot of work for body shops and this is one of theirs. It was in a front end collision and, along with the body repairs, had an impact sensor replaced, drivers air bag replaced, clock spring replaced, srs module replaced and both front pretens...
2007 Ford E-350 Super Duty 5.4L abs VIN: 1FTSE34L67
Vehicle came in complaining of braking problems. ABS activation, can feel in the pedal, and hear when the pump motor turns on. The pump motor will turn on while driving down the road without touching the brake pedal, then will shake the pedal violently as you ...
2006 Honda Pilot EX 3.5L Poor Idle Quality, MIL Lamp on VIN: 5FNYF28646
Customer complaint of Check engine light and rough idle, had code P2647 Solenoid stuck on, we did all tests according to Mitchell & replaced solenoid per local dealer recommendation. vehicle still sets code & idles rough after approximately a 8 mile test drive... Trouble codes: P2647 (V-TEC solenoid stuck on)
2004 Hyundai Tiburon GT 2.7L no start VIN: KMHHN65F64
Car will crank but not start. Crank shaft sensor is fine. All wires, cables and sensors check out. ECM is fine. Main problem is no signal between BCM and IMMOBILIZER. The immobilizer seems to be the problem. The immobilizer is stopping the car from starting. I...
2004 Kia Sorento EX 3.5L front diff actuator VIN: KNDJC73364
trying to figure out if i did something wrong or if i just got a bad actuator. we have serviced car since new. at 121k front diff actuator went bad, would not hold pressure. pulled front diff replaced actuator with new kia part, customer had us replace pump fo...
2000 Lexus ES300 3.0L No Start, No Injector Pulse VIN: JT8BF28G1Y
Car came in for a noise when cold. I personally started this car several times over a period of 2 days with no abnormal noises. I even tried running the lights for a while with the key off so as to lower the battery voltage and thus determine if this could be ...
2001 Lexus ES300 3.0L cyl head
My question is not how to fix it. Cause I already know that I have to pull the rear head and check the valves. I was unable to get any fuel trims that are acurate since the a/f sensors are completely covered in carbon. Not to mention it would not run with eith...
2004 Lexus RX330 3.3L Key VIN: JTJHA31U74
After servicing, test drove, vehicle started and ran perfectly, parked car after test drive. Customer came in, paid bill and went to drive home, cranks fast, but no start. Same key was used from start to pick up, key not damaged, error codes now present, no im...
1999 Mercedes-Benz ML430 4.3L All Guages VIN: 4JGAB72E3X
Battery died and customer jumped backwards. Blew 3amp Radio fuse on back of radio, but all gauges- temp, fuel, rpm are inoperative and only the SRS and Airbag lamps come on, Can lines test good at DLC and at the cluster, no communication with cluster either. S...
2003 Mercedes-Benz ML350 3.7L No Start VIN: 4JGAB57E13
car starts and runs fine with no codes until temp drops below 25 deg f,then you get a crank with no start and no spark, fuel pressure 55psi.have resistance and scope tested crank and cam sensors at ecu plug, tried ne oe cam and crank sensors.if you bring car i... Trouble codes: P0335
2009 Mercedes-Benz S550 5.5L No Start VIN: WDDNG71X39
this vehicle will not start after filling fuel tank when tank runs below quarter tank. above quarter tank you fill it no problem. no codes trigger when engine will not start. we have good fuel pressure. we actually introduced propane to verify no spark. we can...
1999 Mercury Cougar 2.5L No Start VIN: 1ZWFT61L3X
ok guys i know this is not normally a question i would ask on this forum but when you've lost your all data and spent hours searching the internet for what should be an easy answer i am turning to the best techs in the world for a solution. I have diagnosed th...
2005 Mini Cooper 1.6L Gauge lighting VIN: WMWRF33555
Vehicle battery was dead, owner jump started car and brought in for battery.When park lights or headlights are switched on none of the night time illumination (inside)is working. If I back probe a gry/red wire at any point all lights work. I'm not sure if we h...
2004 Nissan Quest SL 3.5L Nats VIN: 5N1BV28U24
Hi, just replaced the BCM in this one and need a little help with the PIN code so the keys can be learned into NATS. the BCM code is: B5A95 and the vin# is: [...] Thank you, Dan
2008 Saturn Vue XR 3.6L Surge VIN: 3GSDL63708
hello all, when you first start and drive this thing it runs fine and data looks good. after about 3-5 miles my fuel pressure drops from 56psi to 40psi. on my data list it has desired and actual and the desired goes from 56 to 40 witch matches actual. when the...
1999 Toyota 4Runner Limited 3.4L Hesitation, Cuts out VIN: JT3HN87RXX
truck brought in to us with complaint of no power on hard acceleration, found that was bogging at 3/4 to full throttle as if running out of fuel, initial testing there are no codes stored at all, can reproduce every time, customer explained history of all new ...
1999 Toyota Tacoma DLX 3.4L Poor Fuel Economy VIN: 4TAWN72N7X
Customer complaint of mileage decrease of 5mpg and lack of power. will drop from 75-60 on a steep incline @ wot. maf data at idle is 4gps and at 2500 no load 16gps my calc load wot is 80-85% fuel pressure is 50 psi. exhaust isn't clogged, fuel trims stay in sp... Trouble codes: P0120
1999 Toyota Camry LE 2.2L 1-2 shift
Intermittenly digital odometer reading will go blank in the dash. When this happens the vehicle will not start out in lowest or first gear from a stop (starts out in 3rd gear) RPM's rev high.You can manually shift to low, second and third gear with no problem....
2006 Toyota RAV4 2.4L abs VIN: JTMZD33VX6
Hi guys, need a little Toyota advice... This 06 RAV4 came to us from a body shop with reported ABS and VSC lights on. It had been hit lightly in the rear bumper earlier in the day (enough to destroy the cover and bend up the bumper bar pretty good). They wante...
2006 Volkswagen Jetta TDI 1.9L Unknown VIN: 3VWST71K26
I have this vw jetta with transmission trouble. I keep getting a code 18149 Clutch pressure adaptation. it has had the flywheel replaced about 5000 mile ago and do not hear any noise from the bell housing.Idle is good. When driving it will not shift out correc...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2000 BMW 528i 2.8L No Start, Poor Idle Quality, Stall, Misfire VIN: WBADM634XY
well I really learned a lot on this one.. REALLY like to thank all the responders here on IATN...some of the best ever...A lot of the vanos theory rings a big bell as in have had a good handful of nissans and there variable cam set up.. stepped back to basics... Trouble codes: 238 (also 242 243 239 codes for misfire cyl1 5 6 2).
1994 Cadillac Commercial Chassis 5.7L No Start VIN: 1G6DW52PXR
Wow, huge response on this one. Most everyone pointed to the crankshaft position sensor. I found the testing procedure in Alldata, and there is a very good video on You Tube, (). I confirmed that it was indeed the cran...
2000 Chevrolet Silverado 1500 4.8L MIL Lamp on VIN: 1GCEK14V7Y
Thanks to all 35 people that replied. Sorry it look so long to get this truck back in the shop. After the request was opened, we had an ice storm that closed us for 2 days and a Blizzard with 48 inches of snow that closed us for 3 days!Things are back to norma... Trouble codes: P0171, PP017.
2007 Chevrolet Impala LT 3.5L high idle VIN: 2G1WT55K37
Last night I drove the car home (24 miles round-trip) & made no difference on idle. This morning we re-programmed the Pcm again HOWEVER we picked a "NEW" computer when being promted & this somehow was the trick. Actual & desired idle is the same & all is good....
2001 Dodge Grand Caravan Sport 3.3L No Start VIN: 2B4GP44301
after some more looking found brn/white wire that branches out from splice 112 and runs to both O2 sensors, injector power and to both pcm connectors for asd relay shorted...the brn/white that powers coil was broken completely broken and acouple other of the ... Trouble codes: P0351, P0352, P0353.
2006 Dodge Grand Caravan SXT 3.8L Battery VIN: 2D4GP44L76
First of all, thanks to everyone who took the time to help and offered their insight into this battery drain problem. The problem was within the CD/DVD player that intermittently tried to start/load/unload when there wasn't a disk inserted - Somewhere along th...
2003 Honda CR-V EX 2.4L No Start VIN: JHLRD78833
Well this one is fixed, thanks James and Joseph for putting me back on track. I had checked powers and grounds to the ecm and all checked out ok. I used the Autel scanner instead of the Modis this am and was able to access the immobilizer system with the Autel...
2006 Honda Civic EX 1.8L ac compressor always on VIN: 1HGFA16886
went to ecm and checked the signal from ecm to relay and still being commanded on so pulled trigger on used ecm read/write vin and reprogrammed key fobs and all seem to be well can now command ac on and off with control head. thank to all who responded
2006 Hummer H2 6.0L 4wd VIN: 5GRGN22U36
Thanks for all the responses. The truck was sent to the transmission shop and the transfer case was rebuilt. As most of you suspected, the shift fork was melted and distorted. It really is a shame for the customer because the transmission and transfer case wer...
1996 Mazda MX-6 LS 2.5L Cooling Fan VIN: 1YVGE31D0T
After further checking. Low speed cooling fans are coming on at 212 as intended. High speed fans are coming on at 226 as intended. Scan tool data was showing fan 3, but it was fan 1 relay it was grounding. When high speed fans came on, scan tool data showe...
2006 Nissan Murano SL 3.5L Unknown VIN: JN8AZ08W46
I thought I had posted the fix , but we've been so busy .Apologies Well turns out it can be done with the engine on the car,just hang it well upstairs and separate the transfer case from the transmission . there's a bolt behind it so it has to come out first....
2012 Porsche Panamera 4 3.6L left low beam VIN: WP0AA2A76C
Thanks to David, Tim, and Randy. The Durametric website clearly states coding the headlamp modules on the Panamera is not possible, or any modules for that matter. Why am I not surprised. Body shop has already picked up vehicle to take to dealer.
2003 Saab 9-3 SE 2.0L No Start, Cuts out, Stall VIN: YS3DF78K63
Thank you for all the replies. In the end it was a tech with some bad testing equipment. The NEW fuel pump was bad, and the techs gauge was problematic. so we replaced the fuel pump a second time and everything worked great. Trouble codes: P1181 (Fuel Trim lean), P0340 (Cam sensor code), P0300 (Random misfire).
2007 Subaru Forester X 2.5L Left low beam light No front parking lights VIN: JF1SG63687
Thanks for all the help after checking wiring and connections it seems that it was a bad connection to drl relay replaced the relay and all seems fine. Thanks again
1993 Toyota T100 3.0L MIL Lamp on VIN: JT4VD20AXP
Thanks for both replies,you really helped me in a pinch. The fix was to get a salvage harness plug and mate it according to number and color.I still had odd colored wires from the [...] so I replaced it and no longer have a cel on. I can't believe that Toy...
1997 Volkswagen Jetta GL 2.0L Mechanical VIN: 3VWWA81H7V
Well, there isn't a "kinda fixed" option, so this is what I did. I did get the new cable in, and the clutch slips like crazy. Acts like the cable is too short. Had a friend that worked for vw come in, he didn't know what was going on either. I ended up cutt...
2001 Volkswagen Jetta GLS 1.8L Excessive Emissions VIN: 3VWSD69M11
Well, thanks to everyone who replied. I was unable to find anything out of the ordinary, so we went with the MAF and connector. someone had broken the locking tab prior to it being at my shop. Replaced the MAF and connector and that fixed the problem. Trouble codes: P0170 (Fuel Trim bank 1).
2003 Volkswagen Jetta GL 2.0L oil pressure VIN: 3VWRK69M23
The jetta is repaired! First of all I want to note that the t-belt did not completely fail. It had ripped lengthwise and had , "by the powers that be" kept the engine in time. I had thought I stated that in my initial post but I guess I didn't. My apologies. I...
2007 Volkswagen Jetta 2.5 2.5L right rear door latch VIN: 3VWGG71KX7
After reading the replies I tore the door down again. After carefully inspecting the latch and rereading alldata and the info I got from here I figured it out. You cannot do the latch and adjustment without removing the outer door handle. I had disconnected th...
2001 Volvo S60 2.4L MIL Lamp on VIN: YV1RS61N51
thanks to all that replied. Many said the aftermarket coils were no good. Adam [...] had some good information re grounds etc however that didn't help. Turns out that we're stupid. We assumed that the original plugs that were sent to us as recommended spe... Trouble codes: P0354, P0354, P0353, P0352, P0351.
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