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Prev Professional Automotive Repair Technical Discussions for February 27, 2012
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Help Request Answers
2004 Audi A4 Cabriolet 1.8L transmission VIN: WAUAC48H84
Good Morning Everyone. We have an A4 that has a shudder on acceleration mostly when cold. Seems to improve after warm up. Customer has been to Audi Dealer. Dealer tech diagnosis is the CVT Clutch is out of tolerence and needs to be replaced. The only problems ...
2007 BMW 335i 3.0L Excessive Emissions, Poor Idle Quality VIN: WBAWL72070
hi all after repairing the hi presure pump complete replacement of tank unite customer states rough idle on full fuel tank use 2 to 3 gallons and idle is good. checked it today no fault codes filled tank drove ok pulled up in shop idle started to lope still no...
2002 Buick LeSabre Custom 3.8L Stall VIN: 1G4HP54K32
Have read through knowledge base, tried other fixes, still continues to die at will. Looking for direction.
1994 Chevrolet Astro CL 4.3L Engine VIN: 1GNDM19Z7R
This van came in as a no start, it cranks but will not fire, i listened for fuel pump and did not hear , check for power , there is none, also the head lights dont work, nor the horn,i am sure it is a electrical issue , but not sure where to start , thought ma...
1998 Chevrolet Blazer 4.3L No Start VIN: 1GNDT13W2W
Used truck - was sold got towed in 3 days later for crank - no start. nitial observation - fuel pressure was 60 psi. Spark was intermittent. Plugs ar eplatinum but fuel fouled. Had a stored code for crankshaft position sensor. Removed sensor and found the tip...
2001 Chevrolet Silverado 2500 HD 6.6L No Start VIN: 1GCHK23191
This is not a help request just wanted to let other techs know. I had a 6.6 duramax was leaking fuel from fuel filter housing at heater connector. Truck shut off would not start. Chevy wants over 500 dollars for new housing so took off housing and took apart. ...
2002 Chevrolet Impala LS 3.8L Turn signals and brake lights VIN: 2G1WH55K72
At very random times and only after sitting a few hours, I can only duplicate the problem with my foot on the brake - hit left OR right turn signal, and all related lights light up but simply don't flash. Left or right makes no difference - either they all wor...
2004 Chevrolet Silverado 1500 5.3L Driveability VIN: 2GCEK19T34
Customer says he was driving truck with no problems. Customer states that he uses the truck to plow his driveway, put the plow on, plowed driveway. While plowing he became stuck and had to put it into 4WD LOW and rock it a few times to get it out of the snow b...
2007 Chevrolet Tahoe LTZ 5.3L Misfire VIN: 1GNFK13067
Thanks in advance,I have this 07 tahoe that has v4 cylinder deactivation and it came in for some front end work and exhaust manifold gasket(r/side).It was here for a few day after work was done drove great.Customer takes it and 2 days later comes back with eng... Trouble codes: P0300, P0306
2008 Chevrolet Uplander LS 3.9L compressor VIN: 1GNDV23178
This vehicle came in with the a/c not cooling well. The high side pressure at idle would quickly go to 450psi and the compressor would shut off. We decided that since the service port was between the condenser and the front expansion valve that it must be rest...
2007 Chrysler Sebring Touring 2.7L p/s pump rack pinion VIN: 1C3LC56R37
I have some problem with this vehicle. This vehicle came with hard steering and some noise. The noise itís not constant. The pump is working. We think that maybe the rack & pinion itís defective. We replace the power steering pump and the problem continues. We...
2009 Chrysler Sebring LX 2.4L intake manifold VIN: 1C3LC46B09
Hello everybody first time user of this site and very excited about the possible help I can give and receive. I have a code p2004 on this sebring and can not seem to find any info about it on all data except what it is. I removed the intake runner motor and tr...
2002 Dodge Intrepid SE 2.7L Surge VIN: 1B3HD46RX2
this vehicle was brought to me after having a used motor put in at another shop. what happens is the motor acts like the rev limiter is kicking. it starts at around 2200 rpms. the customer could live with that but unfortunately it does when its in gear also wh...
2003 Dodge Sprinter 2500 2.7L stuck injector VIN: WD2YD74233
Hi Guys I Can not get one of these injectors out of the hole. When we took off the V/C plastic cover, I found a lava flow of carbon. The flow covered half of the injectors. I had a guy chipping away at it for more than an hour. I know there are special slide ...
2007 Dodge Ram 3500 Truck SLT 6.7L MIL Lamp on VIN: 3D7MX39A87
Thanks in advance for the help. This vehicle has the codes listed in memory after coming from the dealer. The thing that dose not make sense to me is or I need help to understand. How can this system post these code with out the engine running. If I clear the ... Trouble codes: P242F, P0471 (Exhaust pressuer sensor 1 performance), P1451 (Diesel Paticulate filter system performance)
1990 Ford F-350 Custom 7.5L Poor Idle Quality, Stall VIN: 2FDKF38GXL
Sorry in advance for the long post! Truck was towed in with numerous issues. Underhood area has a lot of rust and corrosion. Alternator wasn't charging, had to replace alternator, voltage regulator and correctly wire previously repaired wiring. Engine at first...
1996 Ford F-250 XL 7.3L little heat VIN: 1FTHX26F2T
engine temp only comes up to 105 degrees
1997 Ford F Super Duty 7.5L Oil Cooler VIN: 3FELF47G7V
I am sure I am not the only one who ran into this problem, but any help would be appreciated. This is the square box style oil cooler mounted on top of the oil filter adapter housing. These parts are becoming obsolete and I do not want to take a chance with a...
2003 Ford Windstar LX 3.8L plugs VIN: 2FMZA51473
I am geeting ready to replace spark plugs.whatis the best way to get to the rear plugs?thanks in advance for any and all help.
2003 Ford Ranger Edge 3.0L Misfire VIN: 1FTYR10U03
had dead #5 coil. r&r coil plugs and wires. original running dead miss fixed. after good warm up and at idle it now has a #6 miss. recheck spark good, swapped inj, smoke test for vac leak, r&r valve cover removed springs. aired cyl with no leaks, valves seem ... Trouble codes: 0306 (cyl 6 miss), 0316 (unknown)
2003 Ford F-350 Super Duty XLT 6.0L exhaust VIN: 1FTSF31P83
customer came in with truck and said he heard a loud "pop" and then saw alot of blue smoke out the tailpipe and he couldnt even see any cars behind himself due to the amount of stored codes.not sure what to look for .suspect turbo seal,but I wont thro...
2004 Ford Focus ZX3 2.3L MIL Lamp on, P0171 VIN: 3FAFP31Z34
I have a code P0171 that keeps coming back, It can take a few days or weeks to come back. This problem has been ongoing for about 4 months. I have check for vac leaks none found, check for vac leaks at PCV area, checked MAF sensor with lab scope and check sca... Trouble codes: P0171 (Lean Condition)
2005 Ford Expedition XLT 5.4L brakes VIN: 1FMPU16545
truck has great brake pedal when key is off as soon as you start truck no brake pedal. replaced master still no pedal and brake system has no leaks
2007 Ford F-250 Super Duty XLT 6.0L oil pressure VIN: 1FTSF20P97
Hello all this vehicle came in with a no start condition. Analysis of the vehicle revealed no oil pressure. The high pressure oil pump was replaced along with the ipr and Ipc. While cranking for an extended period of time, the oil pressure guage on the dash wi...
1993 GMC C2500 Suburban 7.4L Cuts out VIN: 1GKGC26N8P
falls off at fuel throttle and slight back fire,lift slightly and runs better,has new tune up all ign parts,fuel injecters and pump and reg kit,egr plugged,new map and tps,intake new and gask,vehicle has had converters romoved and 2.5 dual exhaust installed pr...
2004 GMC Sierra 3500 SLE 6.6L No Start VIN: 1GDJK34194
Truck will not start at all until you add carb cleaner. Even after you have veh. running it will not restart immediately after turning off key.
2008 Infiniti M45 4.5L power window VIN: JNKBY01F88
This car came in the shop with the complaint that the rr window powered down when the ignition was turned on and was then inoperable. Checked for a good power and ground at the switch, and was able to unplug window regulator and power window up. To confirm my ...
1998 Jeep Grand Cherokee Laredo 4.0L Engine stalling VIN: 1J4FX58S2W
I have a 1998 Grand Cherokee Laredo and it stalls while I drive,it starts again in second or third try. I have changed the crank sensor because I found a code one time. I change the ignition coil it had big cracks on it, and I changed the distributor pick up b...
2006 Jeep Commander (Truck) 4.7L Limp In VIN: 1J8HG48N36
Have 45re transmission brought in by another shop. Came in limp in mode check engine lite on. They replaced trs/solenoid pack no change. Scanned vehicle had the following codes p0846,p0869,p0871,p0876,p0882,p0988 having seen this before i new i had no power to...
2007 Kia Rio SX 1.6L P0708-Range Sensor Circuit High VIN: KNADE12387
Customer complain MIL on and transmission slam into gear from park to drive. The indicator on cluster show P,R,N ok, but any position after drive just show N. Once we release the brake pedal, indicator show D but still in limp mode which start in 3rd gear. Sca...
2009 Kia Borrego LX 4.6L MIL Lamp on VIN: KNDJH74229
Trying to help out another tech. All he has explained to me so far is what they have replaced. With all these repairs he can't get rid of the code. Hoping there is another KIA tech out there that may have seen this and can help us out. Trouble codes: P0019
1997 Lexus LS400 4.0L no drive until
Every time i shut car off and restart there is no drive until i rev past 2500 rpm. There is always reverse. once i rev past 2500rpm the works fine, goes thru gears fine. Sounds like a valve stuck somewhere.
2000 Nissan Frontier XE 2.4L tcc solenoid vavle VIN: 1N6DD21S1Y
Thank in advance all tech,have this 2000 frontier coming with complaint trans jumping between 45 & 50 mph,has code p1776 remove vavle body check tcc control vavle is ok(free to move) replace tcc solenoid vavle.Truck running & shifting fine after repair but the...
1989 Oldsmobile 98 Regency 3.8L high idle VIN: 1G3CX54C8K
hello to all and thanks in advance for any help. this car came in with an ittermitant high idle,customer stated that ocasionally at a stop in gear car will increase rpms and try to take off by itself. this may be coincidence but she said it didnt do it till sh...
2004 Porsche Cayenne 3.2L Lighting VIN: WP1AB29PX4
Hello All, we have a vehicle here that warns Check headlight adjustment. When we originally scanned the vehicle we found codes that will not clear in the left headlamp, hence we ordered one from the wreckers, and after install of the same we find no improvem...
2003 Saturn Vue 2.2L odometer VIN: 5GZCZ43D73
I have this 04 vue, vehicle came in with evap vent solenoid non functional. found the pin in the ecm for the vent control circuit broken off. Bought used ecm and when installed i turned the key on and the odometer is clocking miles like crazy, thought i just g...
2004 Toyota Avalon XL 3.0L Battery VIN: 4T1BF28B84
1-2 times a week the battery will go dead overnight on this vehicle. This has been occurring for the last few months. I have tested for parasitic draw(s)and have found no excessive draw; when testing the draw is at .38Ma. We had the car a few days with no occ...
2007 Toyota RAV4 2.4L U-Joint VIN: JTMBD33V37
2007 RAV4 4X4 Rear driveshaft rear u-joint worn out and ready to fall apart, does anyone know if the u-joints are available, I have not been able to locate one. Thanks Gary
2007 Toyota Camry XLE 3.5L Vvt VIN: JTNBK46KX7
[...] bank 1 timimng issue- there is also an high idle about 1200 rpm - oil is in good condition -cleared codes code poo15 returns without staring car -possible pcm ?
2007 Toyota Tundra SR5 5.7L blower speed VIN: 5TFRV54197
This Toyota Tundra was in for replacement of the key transponder. This item is located behind the evaporator case which required compete dash removal. The truck then was towed to Toyota for reprogramming. All works well with the exception for the A/C fan speed...
2000 Volkswagen Beetle GLX 1.8L engine VIN: 3VWDD21C7Y
hi i have this vw with a p0302 cede i did found park plug on cyl #2 with carbon build up i did replace all 4 spark plugs car run good after few days came back same code remove the spark plug and corbon build up again im not the vw expert is there any help it w...
2005 Volkswagen Jetta 2.5 2.5L Timing VIN: 3VWSF71K85
Evening group, Have this '05 VW 2.5 5cyl BGP engine, Jetta. Customer came in due to MIL on and states about 30 hours after light turned on started hearing a noise & running rough. Confirmed MIL retrieved dtc P0011 Cam A intake retard setpoint not reached. Furt...
1998 Volvo S70 T5 2.3L srs light VIN: YV1LS5375W
I removed the dash panel and passenger's side air bag to replaced the dash bulbs, i turned the key back on to test them without reconnecting the air bag not thinking that it would be such a big deal to reset the light. I have found out that our snap on scan to...
2002 Volvo S40 1.9L High Idle Cold VIN: YV1VS29562
Hey techs, This Volvo is giving me a headache. It originally came into the shop a few months ago with a really erratic idle. Sometimes it would idle at 3-4000 RPMs and occasionally it would idle so low that it would die at stop lights. I replaced the IAC and...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1996 Acura TL 2.5L No Start VIN: JH4UA2658T
2004 Acura TL 3.2L Engine block VIN: 19UUA65554
Thank you everybody! The vehicle is still undecided, we did pull piston off sick cylinder, finding uneven surface on the piston itself. Warranty company is Protective Life, and they are not easy. they still want to see some supporting info as for what happened...
2006 BMW 325i 3.0L Oil Leak VIN: WBAVB13506
OK This has been a learning lesson and I hope this helped others who wind up with one of these problematic n52k engines.I discovered that the oil filter housing gasket can leak intermittently, so just plan on changing it every 3-4 years and don't beat your hea...
1997 Buick LeSabre Limited 3.8L MIL Lamp on VIN: 1G4HR52K9V
Thanks to all who responded to my help request. Unfortunately, the customer declined any further diagnostics. Trouble codes: P1406 (EGR Pintle Position Circuit Problem).
2003 Chevrolet Silverado 1500 4.8L Passenger Position Sensor VIN: 2GCEK19V13
After going backwards and forwards with tests of various circuits,I went ahead and replaced the seat. This took care of the problem with the passenger presecne system. The engineers have way too much time on their hands and keep adding things to these vehicles...
2003 Chevrolet Silverado 2500 6.0L Hesitation, MIL Lamp on VIN: 1GCHK24U13
Thanks to all the replies they were all very helpful. This is one of those problems that makes you want to pull your hair out. I talked to a local rebuilder who said the valve seats on some of these 6.0L become out of round and will cause an intermitant misfir... Trouble codes: P0101, P0200.
2004 Chevrolet Corvette 5.7L MIL Lamp on
thank you to everyone who replied to this request, reinstalled origanal air intake set up & replaced the maf (to far gone for cleaning)RESET FUEL TRIMS CAR RUNS GREAT ! Trouble codes: 174 (bank2 lean-[...]-15), 171 (bank 1 lean-lt trim avg 13-15).
2006 Chevrolet Avalanche 1500 Z71 5.3L blower motor
thanks to all that responded. sorry this has not been closed. my problem is almost identical to Scotts. If you turn the controller off before u turn of truck it will work.. My customer has not been back since it is working well enough for him. than...
2006 Chevrolet Silverado 1500 LT 4.8L No Start VIN: 1GCEK14V26
2005 Dodge Magnum SXT 3.5L oxygen sensor VIN: 2D8FV48V35
Well basically it came down to the PCM on this Magnum. The oxygen sensors were changed out (misdiagnosis by another shop) to repair open in oxygen sensor heater circuit. The PCM was not sending the voltage to the rear right oxygen sensor. A new (and reflashed)...
2007 Dodge Grand Caravan SE 3.3L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1D4GP24R87
waiting for customer to return with vehicle when he can afford to fix it..thanks to all who replied..going to tear engine down and look for a valve/valve seat problem Trouble codes: P0302.
1997 Ford F-150 4.2L No Start VIN: 1FTDF1722V
1999 Ford F-250 Super Duty XL 7.3L No clutch pedal
still had some air in the system. pulled slave off of the trans and ran it and out by hand .works great now. thanks for all the feedback
2001 Ford F-150 Lariat 5.4L Electronic VIN: 2FTRX08L71
This one is GONE! The fixed turn out to be replace the fuse box. Jim got me thinking about one of the PID's for the GEM module "clutchlock". Which refers to the clutch being engaged or disengaged. Eventhough this is an automatic it has a jumper in the harness ...
2004 Ford Excursion Eddie Bauer 6.0L Mechanical VIN: 1FMNU44PX4
We ended up removing the right side valve cover (our IDS and manual compression test both showed the problem was on the left side)and found a bent push rod on #3 cyl exhaust,the exhaust valves were not opening on #3 causing excessive compression on #6.WOW that...
2005 Ford F-150 STX 4.6L all VIN: 1FTRX14W35
As I stated in my post, my SnapOn Ultra would not perform the brake bleeding procedure. I borrowed a SnapOn Solus Pro Demo and used its brake bleeding function which really did not help the cause. I changed the pads to OEM and as luck would have it, it snowe...
1992 Honda Civic Si 1.6L fuel pump, check engine light VIN: 2HGEH338XN
Found water entry thru windshield small rust hole. resulting in water damage to pcm have not replaced pcm as of yet but sure this is the place to start thanks for all the replys
2004 Honda Civic EX 1.7L Charging VIN: 2HGES26724
Thanks to everyone who took the time to responed. After rechecking everything agiain we put a Honda reman alternator on the car and have not seen him since, I was still not to pleased with the output of the alternator at idle but we have not seen the car in al...
1998 Jeep Grand Cherokee Laredo 4.0L Cuts out, Stall VIN: 1J4FX48S2W
i want to thank every body for helped me, i checked all what you recommend, also i replaced ignition coil, asd relay, crankshaft position sensor, after all that, vehicle still doing the samething, problem was locate on the pcm, the firts was chryler remanufact... Trouble codes: P0351.
2005 Jeep Wrangler SE 2.4L Hesitation VIN: 1J4FA29135
thanks to all that replied on the jeep. this thing finaly came back with a engine lite and code po420. scan cat and found cat not working so took mallet and hit cat. no rattel sound so took 02 sensor out and stuck my finger in hole, cat broke up. customer took...
2001 Kia Rio 1.5L Poor Idle Quality, Hesitation, Cuts out VIN: KNADC12351
propane enrich.revealed unaccounted for air in induction sys. eng idle was at 1875 rpm with enrich. further thoughts led me to the iac possibly being a problem. so i removed the iac and plugged off ports. retest again idle now at 1100 rpm. i then decided to ch... Trouble codes: P0171 (fuel sys lean B1), P1166 (control adaptations out of limits).
2003 Kia Sedona EX 3.5L MIL Lamp on VIN: KNDUP13173
Thanks for the responses. The problem turned out to be the aftermarket rebuilt MAF sensors we had installed. After performing more diagnostics, we purchased a used MAF, and that fixed the problem. It was AGGRAVATING to say the least. Trouble codes: P0103, P0171, P0174.
2007 Mercury Mountaineer 4.0L Differential VIN: 4M2EU47E07
Thanks for all the help I found the rear diff to de the problem the clutches were smoke and the bearings we're also bad rebuilt it all is good thanks
2000 Mitsubishi Eclipse GT 3.0L Excessive Emissions, Hesitation, Poor Fuel Economy, No power VIN: 4A3AC54L1Y
Unhappy with this sites "one update" rule. Did the tests you guys suggested, thank you! Ive learned alot from this car. When inspecting the timing, i only matched the cams to the balancer marks so I thought i was good. When it was suggested to double check tim...
2002 Nissan Sentra CA 1.8L Srs VIN: 3N1CB51D92
taught i closed this request the car is fixed all the info that was given helped i replaced the clock spring thanks again all
2002 Nissan Frontier SE 3.3L Misfire VIN: 1N6ED29X62
Well ,this truck is fixed.Thanks for all of u guys,i checked all injector connectors,i also did injector balance test & all were ok.The problem was Switched front o2 sensor connectors.B1s1 connector was connected to b2s1 connector & vice versa.Switched the con... Trouble codes: P0300, P0174.
2004 Nissan Quest SL 3.5L airflow from vents, floor, defroster VIN: 5N1BV28U54
this one is blowing hot air!!! it was a tricky fix and we have made it easy for the next guy. the configuration of the heater box is very strange. all the air is sucked in through a pair of outside/recirc vents on either side of the box past the fan down a lo...
2004 Porsche Cayenne 3.2L xenon headlight VIN: WP1AA29P44
Sorry for the long delay, but I wanted to make sure the Cayenne was fixed. Since the blew 2 NEW control units and 1 used one. We ordered a USED headlight unit with USED control unit and replaced his "aftermarket' Chinese bulb with an OEM Osram bulb. Ever since...
2004 Porsche Cayenne 3.2L Poor Idle Quality, Stall VIN: WP1AA29P04
We did an oilchange 5W40 SYNTH. and cleared codes. Engine starts and runs but after 15 seconds it started to run rough. We installed fuel pressure gauge,we saw fuel pressure starting at 55psi and gradually drop to 15psi(engine running rough) then pressure went... Trouble codes: P0016 (Cranksensor/camsensor correlation bank1 sensor 1), P0369 (Camshaft pos sensor b circuit intermittant bank1).
2002 Toyota Tacoma Pre Runner 2.4L Mechanical VIN: 5TEVL52N32
First of I would like to thank everyone here that helped me out with really good information. I performed a Leak Down Test. It comformed exhaust valves not seating properly. I adviced my customer to replace Engine Assembly, as many of you reccommended. Cust...
2011 Toyota Venza 3.5L abs VIN: 4T3BK3BB6B
Thank you for all of the responses. I guess the noise is normal, which is caused by the ABS pump turning on when the wheel speed reaches 6 MPH. Thanks Mike
1991 Volvo 740 2.3L drivetrain VIN: YV1FA8846M
Well, this one is some what better. Not 100%. The mounts did not change any thing. So I sent the drive shaft out they said joints were fine so he balanced it out a little but not enough to cause an issue. I cleaned the rear and trans flanges tourqued the bolts...
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