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Prev Professional Automotive Repair Technical Discussions for March 21, 2014
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2003 Acura TL Type-S 3.2L Drivers Seat VIN: 19UUA56853
Hey guys...I got one here thats got me puzzled. We took the drivers seat out for our customer so that we could send it out to a fabric shop to get the bottom seat cushion re-upholstered. We got the seat back yesterday, and when I installed the seat, I had no...
2007 Audi A4 2.0L transmission range sensor VIN: WAUAF78E97
Hey, we have an A4 that, when accelerating, lunges and feels as though it the transmission is slipping without the grinding or whiney noise. We have only one DTC for the transmission; 001798-transmission range sensor. And the ABS had 01119-gear recognition sig...
2013 Audi A4 2.0L MIL Lamp on VIN: WAUEFBFL7D
Hello Fellow techs. I have a 2013 Audi A4 with the check engine light on. I have read codes with VCDS and I come up with "10537 Evap system leak detection or fuel vapor temp sensor P2026-00 (175) signal too low". This is a permanent fault. It will not erase an... Trouble codes: P2026 (10537 EVAP system leak detection or fuel vapor temp sensor p2026 -00 175 signal too low permanent)
2001 BMW 540i 4.4L Transmission VIN: WBADN63481
Hello BMW Techs we have this car with the fail safe mode warning message coming on intermittently, we perform a scan and found the codes listed above, when for a 30 miles test drive, came back and perform another scan and the codes that returned were IKE 008D ...
2004 BMW 325Ci 2.5L Power Steering VIN: WBABW33454
Customer complained of loud noise. Noise only occurs when turning steering wheel. We diagnosed noise as faulty power steering pump, as is common on BMW. Flushed system and replaced pump with new power steering pump. Noise gone. Customer picked up vehicle on Fr...
2004 BMW 545i 4.4L MIL Lamp on VIN: WBANB335X4
Vehicle is new to customer (see repair history). Car came in with MIL on and BAD oil leaks. Replaced upper timing cover gaskets and alternator bracket gasket. Care was taken to NOT reverse vanos sol. connectors. Also replaced crank position sensor and harness ... Trouble codes: P0335
2004 Cadillac SRX 3.6L Poor Idle Quality, won't rev VIN: 1GYDE63744
A friend has this vehicle at his shop and wanted me to do the throttle position relearn for him so I went by his shop to help ! When the vehicle came in it wouldn't rev up pass 1500 rpms and had several codes so he replace the TBI and the pigtail ,when that di... Trouble codes: P2176 (Min. idle not learned), P0122 (Throttle Position TP Sensor 1 Circuit Low Voltage), P0222 (Throttle Position TP Sensor 2 Circuit Low Voltage)
2000 Chevrolet Impala 3.4L No Start, Poor Idle Quality, Stall VIN: 2G1WF55E7Y
Simple Friday job gone wrong. Vehicle brought in for coolant leak. Started fine and ran ok when brought in. After repair vehicle would only start and run with vacuum hose removed off of intake or light accel. pedal opening. Rechecked all connections and previo... Trouble codes: 405 (EGR cicuit low)
2003 Chevrolet Express 3500 6.0L air conditioning VIN: 1GBJG31U33
Van will idle fine cold but after 5 minutes of running will idle up to 1700 rpms and also the a/c is inoperative. On the MODIS data all sensors are reading correctly, however no response from IAC step up/down test. Checked for vac leaks - none. Replaced IAC st...
2003 Chevrolet Impala 3.4L Hesitation, Noise on accel VIN: 2G1WF52E43
I bought this car from my father who has all service records. I noticed under moderate acceleration the car has some hesitation from stop to about 40-45 mph. When under heavy acceleration the car does not hesitate but makes a high pitch whining sound like a su...
2004 Chevrolet Impala 3.4L Speedometer
Hello folks! Just looking some advice from you guys that had similar problem like me. This impala came from a dealer that brings their cars to get inspected and one of the issues it's about speedometer not working at all. First I removed and tried to fix it my...
2007 Chevrolet Tahoe LTZ 5.3L driver's airbag VIN: 1GNFK13077
Hello, This "07 Tahoe came in with B0084 for Pass. side impact sensor and P0013 "driver's airbag stage 2 loop ckt fault". Replaced # 2 impact sensor and corrected code p0084. Replace clockspring asby after finding higher resistance in stage two compared to ...
2004 Chrysler Town & Country 3.3L Misfire, MIL Lamp on VIN: 1C4GP45RX4
Hello everyone I need help! I have this Town & country that is taking me for a trip!! Came in w/P0304 cylinder 4 misfire. I verified cylinder misfire w/Verus scanner at idle in drive while stopped! Give it a little gas & misfire is gone! I have checked everyth... Trouble codes: P0304 (Cylinder 4 misfire detected)
2000 Dodge Ram 3500 Van 5.9L ckp VIN: 2B5WB35Z4Y
tow in again with no start,no DTC,good fuel pressure,no spark. have good 5v ref. to tps,cmp,map,ckp. have good sensor ground(sensor return pcm pin a4) good cmp signal no ckp signal. installed 2 different aftermarket ckp and now has a dealer ckp senso,still no ...
2001 Dodge Ram 2500 5.9L Steering Pump VIN: 3B7KF26661
Vehicle came in with no power steering and no brake assist. Inspected vacuum pump drive for power steering pump. Appeared o.k. Replaced power steering pump with aftermarket remanufactured unit. Condition/symptoms the same. Replaced power steering pump again wi...
2009 Dodge Sprinter 2500 3.0L abs VIN: WDWBE8ACX9
Oh, Lord. Sprinter info needed again. The ABS, Traction control light, and VSC lights are on intermittantly. Wi-tech shows codes 4D2E history(dynamic sensor implausible signal), and 5721 current code.(unkown). Does anyone know what ABS code 5721 is? It is curr...
1996 Ford E-350 Econoline 7.3L Starting VIN: 1FDJE37F2T
hi guys and gals I will go out and say that I am not very good with diesel engines. ok when I looked at fuel pressure some people were saying should be about 50 to 60 psi for best results. I only got about 40-45psi, when I do a volume test cranking I get 1/4 c...
2001 Ford Windstar 3.8L injector VIN: 2FTZA54411
Hello everyone. I messed up & need some advice. I installed a used engine in a 2001 Windstar. It had a dead miss on cylinder #1. had spark so i started to test the injector. When I did i accidentally applied ground to one of the injector wires with my power pr...
2004 Ford Explorer Eddie Bauer 4.0L No power VIN: 1FMDU74K14
Truck came in from local used car lot for service. Took on a test drive and didnt make it one mile had to be towed back in.check fuel presure and was 30 to 28 psi replace the fuel pump . Same thing no power and 30t028 psi on fuel pressure. Replace fuel driver ...
2004 Ford Freestar SES 3.9L MIL Lamp on VIN: 2FMZA57634
I am at a loss on this one. It came in with poor idle , surging & lean condition. Replaced pcv elbow & this took care of the surging & poor idle. Felt slight miss at idle but no misfire code. Replaced plugs due to oil burning. Ended up with code p0171. Intake ... Trouble codes: P0171
2006 Ford F-150 XLT 4.6L power loss VIN: 1FTRX12W06
customer complaints of power loss as if truck is being held back along with a slight noticeable trans shift deviation. Our test drive didn't reveal any issues however we are not able to drive at freeway speeds. there are no codes in computer systems. My concer...
2007 Ford Five Hundred SEL 3.0L Surge, Stall VIN: 1FAFP24187
Vehicle came in on hook and not idling. Engine would spin over. Observation found a hole, looked like it was burnt in the plastic intake phenum near the throttle, on top. Cover it up and it cranked and ran. Replaced intake phenum along with all plugs and two c...
2009 GMC Sierra 3500 HD WT 6.6L MIL Lamp on VIN: 1GTHK79659
Ok this is an intermittent problem,seems to happen only when started cold and not every time that it is started cold.With an amp clamp on the main power to the heater it looks like it starts at about 150a,then starts to taper down after a min.or two.(that is a... Trouble codes: P154C
2010 Honda Civic Si 2.0L Vtec VIN: 2HGFA5E57A
Hello fellow techs, I have a 2010 Civic Si with i-VTEC and have no trouble codes in the system. The vehicle revs out at [...] and has no power. It seems to feel like vehicle is starving...
2004 Hyundai Elantra GT 2.0L Engine VIN: KMHDN55D24
Car came in running with a blown head gasket and a leaking radiator, after the repairs the car cranks but no start... The live data shows crank signal stay off but my lab scope shows a good signal going into the ecm... And of course i have no injection and no ...
2011 Kia Sorento 2.4L throwout bearing VIN: 5XYKT3A15B
Hello Everyone, This car came to us with a leaking clutch slave cylinder, we removed the transmission and found that the slave cylinder was leaking out the center between the seal and shaft so we ordered a new pressure plate, disc and throwout/slave cylinder f...
2002 Mercedes-Benz C320 3.2L Poor Idle Quality, Hesitation, Surge VIN: WDBRH64JX2
Vehicle has a slight hesitation noticeable under moderate accel to wot. O2s go lean under wot accel. Customer also states intm rough idle/stalling while stopped or coming to a stop, I have not noticed that yet. No codes besides t-stat. I'm leaning toward a mas... Trouble codes: P0128
2004 Mercedes-Benz C240 2.6L cooling fans VIN: WDBRF81J04
Warning messgae "coolant visit workshop" Code P2073 "Electric Suction fan for engine or air conditioning" stored and resets immediately after starting vehicle. Vehicle when started after 5-10 minutes fans turn on to 90% Fans can be controlled via scan tool sof...
2005 Mercury Montego Premier 3.0L Battery VIN: 1MEFM42195
Customer says battery goes dead.I found a 800 milliamp draw through the Electronic Auto Temp Control Module(EATC),even after it sits for over an hour.When this module is unhooked the draw goes down to 25 milliamps.The climate control system works OK,Scanner co...
2000 Mitsubishi Eclipse GT 3.0L HVAC, Heat VIN: 4A3AC84L7Y
came in with zero heat output. heater core had been flushed several time prior. found heater core had no flow, replaced with new heater core. cooling system was full of contaminates and an orangish sludge. removed hoses and cleaned, re-assembled and flushed co...
2001 Nissan Altima GXE 2.4L fuel fill VIN: 1N4DL01D11
still will not allow fuel fill up
2003 Nissan Altima SE 3.5L No Heat At Idle VIN: 1N4BL11E83
Please help!!! car came from another garage for us to look at it. They already replaced radiator t/stat (nissan), water pump and heater core. Vehicle has no heat at idle - cool air out of vents. Off idle at 1500 rpm you will get heat. I know this is a common p...
2011 Nissan Sentra SR 2.0L MIL Lamp on VIN: 3N1AB6AP4B
This car sets this code when engine is cold. No noticable drivability issues. Replaced #4 ignition coil-same problem. This morning when i first started it up it did feel like it was running a tad rough but it cleared right up. While backing up out of the drive... Trouble codes: P0304 (4 cly. misfire)
2003 Pontiac Grand Prix GTP 3.8L battery VIN: 1G2WR52133
Hellow guys and gals... This is my personal hot rod/money pit. But it is my choice. My issue is battery drain. My biggest concern is the VCU/On Star module at the left rear trunk area. Come to find out this can draw up 200ma every 8/10 mins. Question is, best ...
2007 Subaru Outback 2.5i Limited 2.5L Unknown VIN: 4S4BP62C87
We have a 2007 subaru outback that we had the engine out to do a head gasket job, a job that we have done hundreds of times. We now have developed a vibration upon acceleration, and can even feel a little bit of a vibration in neutral when the vehicle is revve...
2002 Toyota Highlander 2.4L abs VIN: JTEGD21A02
to all toyota techs out there. got this highlander that cannot be driven past 25mph. the brakes lock up as if the vehicle is skidding. feels like it's the front left wheel that's locking up and the skid sign appears on the dash.has codes:- C0205 - front left s...
2004 Toyota Camry SE 2.4L MIL Lamp on VIN: 4T1BE32K14
The car exhibits a loss of throttle response erratically and without consistency. The fuses, alternator and all supply voltage readings are within spec. The circuits were individually loaded and tested for voltage drops with no concerning findings. The last... Trouble codes: P2118
2000 Volvo S80 T6 2.8L Starting VIN: YV1TS90D8Y
We have a 2000 Volvo S80 T6 that we inherited from a different shop that went out of business. It was towed in with an incomplete engine replacement. We completed the work but it now will not crank using the ignition key. It cranks when jumped directly at the ...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2002 Audi TT Quattro 1.8L No Start VIN: TRUUT28N52
After taking a closer look, recording, and reviewing the CKP waveform, I noticed the signal became weak for a few teeth. I removed the oil pan and found number 4 connecting rod bent. This brought the piston down just low enough to strike and bend the CKP pic... Trouble codes: P0321.
2004 BMW X5 4.4i 4.4L radio/cluster VIN: 5UXFB53524
sorry guys I didn't get to end culprit I had it narrowed down to about 5 modules and or wiring. the problem was so intermittent. the customer decided that they wanted to take the car. The cool thing was that I was able to capture the bus going down intermitten...
2008 BMW 335i 3.0L Excessive Emissions VIN: WBAWL73518
Hello techs... This vehicle was not fix .after review all help I can not think other solution better than send vehicle to dealer.thanks all
2003 Chevrolet Impala 3.4L rear defogger VIN: 2G1WF52E93
The rear defogger does work on this car, just not the entire grid so that eliminates the melted wire in r. kick panel, which I have repaired a bunch of those in the past. I knew there was 2 broken segments, I went ahead & repaired them. Still has the static th...
2007 Chevrolet Silverado 2500 HD Classic LS 6.6L Hesitation, Cel VIN: 1GCHK23D57
Looks like we have this one beaten. The aftermarket reman turbos were the problem, not creating low end boost, for that matter high end boost either. With the repaired original turbo, the numbers were better. We did do the relearn in the shop and it did set... Trouble codes: P0299 (Turbo Underboost).
2005 Dodge Ram 1500 ST 5.7L 3rd gear VIN: 1D7HU18D25
Well we found nothing wrong with the valve body, and found an internall issue with third gear. Customer opted to go with a used tranny. Truck shifts fine now. Thanks for all the replys.
2005 Dodge Neon SRT-4 2.4L Poor Idle Quality VIN: 1B3ES66S55
Aftermarket throttle body was the cause. Installed a stock one in its place, idle was perfect. Thanks guys for all you help and suggestions
2003 Ford Taurus LX 3.0L MIL Lamp on VIN: 1FAFP55UX3
I am confident that this car is fixed. I think the syncronizer was off a tooth. I thought that initially but every time I tried to move it it was way off, probably 2 teeth. I have installed these many times before but they were already in time, so all I did wa... Trouble codes: P1336.
2012 Ford E-450 Super Duty 6.8L MIL Lamp on VIN: 1FDXE4FS8C
There was no performance chip. Vehicle was taken to the dealer as it was still under warranty. Trouble codes: P0605 (pcm rom error).
2002 Jaguar S-Type 3.0L Wiring Harness VIN: SAJDA01N92
2005 Jeep Wrangler X 4.0L monitor readiness VIN: 1J4FA39S65
thanks for all the thoughtful replies on this one.several noted that fuel level needs to be between 1/4 and 3/4 to run evap monitor. ther were 1 or 2 who pointed to the extremely cold temps causing evap not to run as it normally would. also, the tsb that appli...
2006 Kia Spectra EX 2.0L Left Turn Signals VIN: KNAFE12166
Thanks to all Especially Seth [...]. Confirmed that is was the BCM. Replaced The BCM and everything works good. Kia has updated the BCM due to lighting problems.
1995 Lincoln Town Car Signature 4.6L Hesitation, Cuts out, Stall VIN: 1LNLM82W0S
Fuel pump was tested by different stores and tested fine every time; fuel pressure regulator showed the same results. Replaced IAC valve with an OEM unit and RPMs seem to go up and down smoother than before, it definitely helped; fuel trims also went down. C...
2004 Mazda RX-8 1.3L engine VIN: JM1FE17N44
Thank you for all the help with engine cold compression was low but within spec. with engine warm and not wanting to idle compression was 60 psi on one rotor and 80 psi on the other with the Schrader valve in and battery fully charged. so we are replacing the ...
2009 Saturn Vue XE 2.4L heater core VIN: 3GSCL33P79
There are three pins along the top of the panel that snap into "sockets" in the firewall. two of them did not release as they should. after an hour or two of pulling and yanking the screws that attach the pins to the panel pulled out and we got the panel out. ...
1998 Toyota Camry CE 2.2L Excessive Emissions, Poor Idle Quality, Cuts out, Stall, Misfire VIN: 4T1BG22K3W
After all of you guys helping me, I want thank you first.Now I found a spresd terminal at the ecm connector.After I fixed that the car ran perfect. It is gone & my customer is happy, but not nearly as happy as me.Thanks again for your help,Bill
2009 Toyota Sienna XLE 3.5L warning lights VIN: 5TDZK22C69
The battery was not hooked up backwards, the speedo work fine when the problem occurs and the cruise in part of the PCM. The problem has not reoccurred in the last 3 weeks. Nothing was ever found that was causing the problem. Toyota experts believe it is cause...
2010 Volkswagen Routan S 3.8L autostick does not activate VIN: 2V4RW4D12A
thanks to everyone that tried to help we fixed this by using a shifter module from a totaled vw routan that we found in a nearby wrecker lot we were able to read the PRND status or each gear with our scanners both with the LAUNCH and my VAG COM however once...
1999 Volvo C70 2.4L Starting VIN: YV1NC56D0X
First of all I want to thank Anders and Steve for there help, kindness and professionalism as well as others that have lent me a hand. I did not fix this vehicle do to the cost of doing it right (replacing the module)as the owner could not afford it. I just ...
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