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Prev Professional Automotive Repair Technical Discussions for July 3, 2012
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Help Request Answers
1993 Cadillac Fleetwood 5.7L lean condition VIN: 1G6DW5271P
This vehicle started out with an overheating condition caused by a ruptured heater core hose, that was repaired and has no overheating issues now. On the subsequent test drive it was noticed that the O2 reading would steadily drop to .000 and the fuel trims wo...
2004 Cadillac Escalade ESV 6.0L ac wont engage VIN: 3G4FK66N94
Customers states ac works on and off checked Freon level was low evacuated and recharged now doesnt work at all has codes BO159 for ambient sensor shows -40 ordered one from dealer has 4.4 volts and ground signal won't be here for couple of days also code BO22...
1961 Chevrolet Corvair Truck 95 2.4L clutch VIN: 1R124S1175
this is beyond my years...thanks in advance for reading this! I have a corvair that refuses disengagement. from all i can gather this is a later style clutch?? in that the flywheel is recessed and the p.p. is diaphram finger style with ring gear. the disc is 9...
1995 Chevrolet Lumina LS 3.1L Stall VIN: 2G1WN52MXS
this car came in with intermitten stalling, had massive amount of codes, 36,41,42,14,15,33,34,51,13,44,45,21,85,87. the codes 51,85,87 basicaly said to check for updates or replace ecm, i replaced ecm twice,didnt fix anything, checked power and ground, all tes... Trouble codes: 36 (ic 24x sig error), 41 (est line error), 51 (ecm prom error), 85 (prom error), 87 (eeprom error), 21 (throttle position high)
2002 Chevrolet Blazer LS 4.3L internal VIN: 1GNDT13W62
good afternoon fellow knuckle i have in my shop my mistress.i married her back in march when i replaced her engine due to spun rod bearing.she has returned 3-4 times for cel on p0300 set with misfires on cylinders 1&4.complete tune up performed a m...
2002 Chevrolet Silverado 1500 5.3L brakes VIN: 2GCEK19T12
hello everyone, happy day before fourth. need some help with a chevy truck that activates the abs at slow speeds . i know about cleaning the sensors and have done that. the abs light was on and a c0265 code was in it. after researching code decided to replace ...
2004 Chevrolet Silverado 2500 HD 6.0L Performance VIN: 1GBHC29U94
Vehicle came in with a complaint of loss of power. P0300 was the only stored code. Cylinder 1 and 3 are consistantly misfiring at idle. If you bring the RPM just above 1100 RPM the misfire goes away. I have replace the intake gaskets per the GM bullitin and ch...
1997 Dodge Neon 2.0L No Start VIN: 1B3ES27C9V
Came in as crank no start - Fuel pressure = 50 psi - checked codes - found p0340 - cranked over with scanner attached - cam and crank value = no with a periodic yes on crank - sync is lost - replaced cam and crank sensor and replaced crank sensor pigtail (melt... Trouble codes: P0340
2003 Dodge Grand Caravan SE 3.3L Master cylinder VIN: 2D4GP44R33
Hey we have this Caravan in the shop that seems to ingest air into the front brakes somehow. The left front caliper always seems to have air show up after 2-4 weeks. The right side almost none. Fluid level never drops, but the pedal height gets quickly worse a...
1945 Ford 1/2 Ton Pickup 3.6L Poor Idle Quality, Misfire VIN: 13369UY743
this car has a gm ram jet pfi performance crate motor.unable to get live data.misfire popping ouy exhaust. running lean, can spray carb clean rus good. thinking pcm .
2002 Ford Explorer XLT 4.6L MIL Lamp on, P0135, p0155 VIN: 1FMZU73W02
Hello my fellow Technicians, I am in need of some advise from someone that may have any additional information about the o2 heater circuit operation or common problems with this vehicle. Customer brough vehicle for the check engine light being on, we scanned t... Trouble codes: P0135 (O2 sensor heater circuit fault bank 1 sensor 1), P0155 (O2 sensor heater circuit fault bank 2 sensor 2)
2002 Ford F-450 Super Duty XL 6.8L Moniters not ready VIN: 1FDXF46S22
This is a very low milage dump truck used by the city. The only moniters that look to be used are the o2 heater circuit and o2 circuit. Keep in mind there are only two upstream o2s no downstream o2s. if it was califoria emissions it would have one downstream o... Trouble codes: P1000 (Moniters not set)
2004 Ford F-150 FX4 5.4L spark plug VIN: 1FTPX14564
Ok some of you ford guys, i am replacing the plugs in this vehicle, and i have the lisle tool, but my problem is the treads on the plug stayed in the head along with the tip, i have tried a extractor but it seems like its to big, just wondering if any of you h...
1999 GMC Yukon Denali SLE 5.7L No Start VIN: 1GKEK13R7X
No start, no spark. Tried coil and cam sensor, no change. Replaced crank sensor with aftermarket part and engine started, ran good for two weeks and then quit again. Replaced crank sensor with Delco part, still won't start. Sometimes will throw one spark when ...
2002 Honda Civic LX 1.7L door locks VIN: 2HGES16522
Customer complaint of rt rear door lock not working. I took door panel off and did visual. All seem good. I ckd actuator with jump box and it functions fine. I ckd for power and grd at connector and I'm not receiving any power when tapped into plug at actuator...
2004 Honda Civic DX 1.7L four gear burnt up VIN: 2HGES16494
i have removed and replaced trans twice now. fourth gear burnt up. only code is for incorrect gear ratio. now it bang shifts and four gear is burnt up agian in 40 miles with no codes. trans shop put new sol. this time too. thanks for looking
2005 Honda Odyssey EX 3.5L Noise VIN: 5FNRL38645
This thing has a faint what i call a droan or moan noise only when the ac is on, the condensor was replaced originally due to leak and the compressor had a clucth going out, high side 180psi low side 40 psi blowing 46 degrees out vents, you can feel a vibratio...
1992 Jaguar XJS 5.3L sometimes no inj. pulse VIN: SAJNW4847N
I thought I was out of this car last year when replacing both crank position and engine speed sensors seemed to solve the "cranks but won't start-- sometimes" problem. Several days after owner picked up vehicle the same problem came back. I recommended she tak...
2001 Jeep Grand Cherokee Laredo 4.0L Misfire, MIL Lamp on VIN: 1J4GW48S61
Good evening, i have a 2001 jeep grand cherokee here with all cylinder misfires, and running hot, we first saw this vehicle for a misfire code on #3 cylinder with engine light on. We replaced the coil pack due to a crack and replaced plugs, a month later it ca... Trouble codes: P0300, P0302, P0305
2002 Jeep Wrangler SE 2.5L No Start VIN: 1J4FA29P52
This jeep was towed in for a no start,no spark coming from coil.another repair shop installed a crank sensor with no luck.i tryed to scan ecm but have no communication.i noticed that with key on my gauges do not work odometer displays mileage.i do have communi...
2006 Jeep Liberty Sport 2.8L Cuts out, MIL Lamp on VIN: 1J4GL485X6
Hello, This vehicle is now very consistently setting a code P0093 and going into limp mode. It will also set a P0101 at times if driven after it sets fuel pressure code and eventually it will set p1186 for inlet pressure. There are no ECM reflashes available,...
2007 Jeep Wrangler Unlimited Sahara 3.8L flashing abs light VIN: 1J4GA59117
Clean 2007 Wrangler, stock wheels and tires. I flashed PCM, ABS, TIPM and SAS. Used wiTech will current legal subscription. ABS light flashes, NO CODES. On road test ignition key chime would not shut off. Tried restoring modules and battery disconnect. Origina...
2008 Lexus RX350 3.5L Tpms VIN: 2T2GK31UX8
Group, we put in a #3 TPMS yesterday and it will not initialize and the registration fails repeatedly. Using the Vetronix, Maxidas and Autoenginuity, we keep getting error messages for registration failure. #3 TPMS is the failure and shows -14PSI of pressure. ...
1994 Mercedes-Benz C220 2.2L Cuts out VIN: WDBHA22E7R
car cuts out on left turns, i do not have correct fuel press gauge for this vehicle, was hoping a benz tech would have some history with same concern, feels to me like losing fuel on left turn, once u straighten out its fine. maybe tank pu or screen. please he...
2002 Mercedes-Benz S500 5.0L L.Turn Sig.Reflectr VIN: WDBNG75J72
Hi Thanks in advance,customer stated that the left signal flashes fast and light in message center said : L.Turn Sig.Reflectr check lamp after driving for 5 or 6 miles . I talk to the shop foreman at the local M.Benz dealer ,he told me the Left SAM was bad ,re...
2007 Mercedes-Benz ML320 CDI 3.0L transmission VIN: 4JGBB22E87
Hello Guys, I have an issue with this ML. There is a stored pcm code from communication issues. The code is a u0101 communication with transmission. I cannot communicate with trans module and all fuses have been checked. I have no designation for fuses so i ch...
2005 Mercury Grand Marquis LS 4.6L Stall, MIL Lamp on VIN: 2MEFM74W95
Hello all; Well,this one came back after a couple of weeks.I had suspected rodent damage but found none.It ran great and was sure it was not going to die anymore but now does so worse than before. I have been able to get the problem to repeat while I'm driving... Trouble codes: P2106, P2107, P060C, P061C
2000 Nissan Maxima GLE 3.0L Poor Idle Quality, Stall, MIL Lamp on VIN: JN1CA31D5Y
Hi Techs 00 Nissan Maxima, Problem with high and low RPMs ((unstable idle) we found ECU control Module burn out after customer take it to rebuilt we put it back and no change at all with the scanner we re learn the idle and still not responding. we replace int... Trouble codes: P0050, P0740
2001 Nissan Frontier SC 3.3L MIL Lamp on VIN: 1N6MD27T11
this vehicle came in with a check engine light on and set code P0455-large evap leak, we performed a smke test on this vehicle, seem to be leaking around the gas cap, removed and replaced gas cap with an OEM gas cap, also the tech said we need the evap control... Trouble codes: P0455
2007 Nissan Murano SL 3.5L Evaporator VIN: JN8AZ08W17
Happy Independence Day! I have this Nissan Murano that customer brought to us for inoperative A/C. Only problems found initially were kinked liquid line between condenser and evaporator and no refrigerant in system. Customer okayed repairs and work was perform...
1995 Pontiac Grand Am SE 2.3L Hesitation VIN: 1G2NE15D4S
Greetings to all this car has a very bad hesitation at times.i did notice it happens when the car goes into closed loop the o2 sensor stays at 450mv the fuel integrator drops to 0 and then the car will starts right back up no problems until it goes to...
2005 Subaru Legacy GT Limited 2.5L Poor Idle Quality, Hesitation, Stall, Misfire, MIL Lamp on VIN: 4S3BL67615
This car runs poorly, stalls @ idle and has the codes listed below. I was able to make it run better for 1 key cycle by clearing the codes and adaptations. Second key cycle it started running bad again. We checked cam/crank timing which is ok. The turbo looks ... Trouble codes: P0011 (Camshaft timing B1), P0021 (Camshaft timing B2), P2096 (Fuel trim lean B1)
2001 Toyota Corolla CE 1.8L Misfire, MIL Lamp on VIN: 2T1BR12E11
Hello everyone, I have this engine problem with this Corolla w/ the 1.8lt VVTi engine. I replaced the timing chain w/ a complete service kit from NAPA. Once the job was done the car ran beautiful. Customer picked and called shortly after saying that the MIL ha... Trouble codes: P0300 (p0304-), P0304 (p1349-), P1349
2002 Volkswagen Jetta TDI 1.9L Compressor Turns Off VIN: WVWSP61J52
I have a strange one here. The a/c compressor works fine on the lower fan speeds but when you turn it to high the compressor shuts off. On the lower speeds the compressor works fine but the fan speeds are not correct. Just looking fo a place to start or if any...
2002 Volkswagen Jetta GLS 1.8L 1-2 shift VIN: WVWSE61J12
Vehicle was in an accident (solo ran off road according to body shop) which physically damaged transmission causing leak. Body shop repaired body damage and installed used transmission. Customer drove the car for about a month after getting it back from the ...
2002 Volkswagen Jetta GLS 2.0L Engine Misfire VIN: 3VWSK69MX2
Hello, This vehicle has been to 3 different shops. Other shops have replaced coil, wires, plugs. I think this is a ground problem. however I cannot find the related TSB. I had a beetle about a year ago with a similar problem. forgot the fix. AVH 2.0L engine. C...
2003 Volkswagen Jetta TDI 1.9L Excessive Emissions, No Start, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: WVWSP21J03
Have a car that sets codes intermittently and customer complains of stall and no start. Car does not act up for us, but has been towed in twice. vwag codes 17762, 17970, 17971. Leaning towards injector pump, but mileage seems low for this issue [60,[...]] Trouble codes: 17762 (slide position sensor cntrl-g149 electrical problem intermittent), 17970 (quantity adjuster upper limit reached), 17971 (quanttity adjuster lower limit reached)

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2000 Cadillac Seville SLS 4.6L security VIN: 1G6KS54Y0Y
I didn't really fix the car but did discover the bcm was more than likely at fault but the customer decided to just live with the light on occasionally since it has no affect on starting. Thanks again for everyones response & have a happy 4th!
1990 Chevrolet Cavalier Z24 3.1L No Start
after installing bad injectors , i went to wrecking yard and got injectors that ohmed good and installed them ,started right away,,, if not gm injectors i will not be replacing with reman. on these anymore,,,thanks for all help...
2004 Chevrolet Trailblazer LS 4.2L cruise VIN: 1GNDT13S34
needed a new computer installed sent to dealer to reprogram works fine now
2005 Chevrolet Equinox LT 3.4L LF axle seal VIN: 2CNDL73FX5
Thanks to all for helping out with this!! The carrier in the trans itself doesnt seem to have any play in this particular case and the axle appears to be ok. We installed the shaft without the seal in and were able to move the axle shaft quite a but at the out...
2005 Chevrolet Astro 4.3L Instrument Clutch VIN: 1GCDM19X85
Hello Feller Tech. Thank you for the support and advise, I finally neil down the problem, It was a 40 Amp fuse circuit wire crack by Fuse Box(under hood, joint it back, every went back to normal. Thanks again.
1998 Ford Windstar 3.0L 3.0L No Start, Stall VIN: 2FMZA51U8W
I am calling this fixed at this time. Thanks for the replies. It turned out to be a hair accross the first sensor wire in the mass air flow sensor. I had no abnormal readings on the sensor. After removing the hair, it runs very well for the last 4 days. Thanks...
2002 Ford Windstar LX 3.8L rear mode door VIN: 2FMZA514X2
I appreciate the responses. After verifying the blend door was not phycially stuck. We decided to replace the rear REM module. Replacement of the module corrected the problem. I thank all of you for your input.
2003 Ford F-150 King Ranch 5.4L front wheels VIN: 1FTRW08L63
Thanks for the replies.truck seems to be all set as customer has not called.After replacement of ABS assembly for the second time with a used unit,brakes did not lock up as before.The original unit I can understand as that may have had crap in it,but the secon...
2003 Ford Focus LX 2.0L no 1st harsh shift
was related to the computer. Fitted used computer, security computer and key (all Paired) and problem solved
2005 Ford F-150 FX4 5.4L Cuts out, MIL Lamp on VIN: 1FTPW14505
Fisrt of all thank you to all who replied, and also sorry for the late closeing of this post, one of my technicians opened the request without my knowelege i.e. didnt know i had one to close. After many hours of testing the problem was narrowed down to an issu... Trouble codes: P2106 (Tac system forced limited power).
1974 Jaguar XKE 5.3L flooding
Thanks for all the quick replies, I ordered "Grose Jets" and that seems to have fixed the problem. I don't know why there is such a difference between these and the stock needle & seats. But it worked. Thanks for all the help !!
1995 Jeep Wrangler Sahara 4.0L Poor Idle Quality, Hard Start VIN: 1J4FY49S0S
Well I. started over from scratch. I pulled valve cover, verified valves on compression stroke, ckd marks and stabbed distributor. Vehicle started and ran fine, so not sure what happened the first few times. All is well and running. Thanks to all.
2007 Mazda CX-7 Touring 2.3L timing chain VIN: JM3ER29367
Thank you IATN people for my favorite kind of response,fast and correct.To summarize,The cam and crank holding tools are essential for this job,the tensioner is not an issue, and a special thanks to Keith [...] for providing a link to www.customautorepairtool...
2002 Mercedes-Benz ML320 3.2L starter VIN: 4JGAB54E22
2002 Mercedes-Benz CL500 5.0L battery VIN: WDB2153752
thanks for everyones reply,the problem was in the boot lid opening unit under the battery,had a water leak at some stage and the motor and wireing was corroded,new unit done the job.
2007 Mercury Monterey (Van) Luxury 4.2L Fluid contamination VIN: 2MRDA22207
good job world/ the radiator was bad/ and we rerouted the vent up and over the master cylinder. and were sure to seal up the two piece dip stick tube.
1997 Nissan Pickup 2.4L MIL Lamp on VIN: 1N6SD11S7V
Well, having a little more info on how this system works would have made this easier. According to Alldata the MAP/BARO sensor on this vehicle is only used for diagnostic purposes. Though it never says what it's being used to diagnose. Since we confirmed that ... Trouble codes: P0105 (Absolute Pressure Sensor).
2003 Nissan Murano SE 3.5L a/c cooling fans VIN: JN8AZ08T03
it was hard for me to believe that both fans were bad at same time, but they were
1999 Saab 9-5 SE 2.3L speedometer VIN: YS3EF48E6X
Thanks all of you techs the problem was solved by changing the ABS module.
2008 Smart Fortwo Passion 1.0L Starter VIN: WMEEJ31X88
2008 Subaru Legacy GT Limited 2.5L A/C, Secondary air & codes VIN: 4S3BL67608
The owner of the other shop had connected the green plug under the passenger side carpet when they were putting the car back together. Thank's for the help. You guys rock!
2010 Subaru Outback 2.5i 2.5L unknown VIN: 4S4BRBCC9A
sorry do not know if system is fixed. customer will not use vehicle for now,still using second vehicle, i did install new expansion valve because of temp outlet to high and hope for her fix. new expansion valve installed did very little,low side was 34 psi now...
2002 Volkswagen Beetle GLS 2.0L Compressor VIN: 3VWCK21C22
Unfortunately the customers impatience has led them to lose faith that I can repair their problem.For those who offered help,Thank You.
2005 Volkswagen Jetta 2.5 2.5L Rear View Mirror VIN: 3VWDF71K45
Well I guess I should have emphasized that I know what a rear view mirror kit is. I have the Permetex version. If you read the body of my letter you would see that it isn't a regular mirror button. It is a large square ring that the rain sensor and mirror hang...
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