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Prev Professional Automotive Repair Technical Discussions for January 16, 2012
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1991 Buick Regal Custom 3.8L Battery draw VIN: 2G4WB54L7M
Hello, We have this oldie but a goodie Buick that will go stone dead in a day or so. I tested this vehicle for a parasitic draw with the doors, trunk, etc. closed and most of the time it will be about 3.34 amps!! I noticed that when the doors are closed, the d...
1996 Buick Riviera 3.8L air shocks VIN: 1G4GD22K8T
customer stated that he noticed car got stiff all of a sudden also. probably about 20-30 degrees F. that day. iwould not think that a pump could do that or there would at least be some sort of relief valve.
2004 Buick Rainier CXL 5.3L Master Cylinder VIN: 5GAET13P74
-- Vehicle first came to shop brake fluid sinking to the floor. Replace Master cylinder with reman unit. Bleed system, Pedal was lousy. Ran several ABS bleeds, then manual bleeds, then flush using power unit. Finally got somewhat of a pedal, still not right. ...
1997 Chevrolet Blazer 4.3L 4x4 VIN: 1GNCT18W5V
Customer states when driving in 2 wheel drive,4x4 would engage at times(he noticed when turning,binding action).Customer would hit 4 high switch and back to 2 wheel drive and all ok.Has anyone had this or some possible hints.This happens intermitanty.Your resp...
1999 Chevrolet Silverado 1500 5.3L driveability VIN: 2GCEK19TXX
Hello everyone, I have this 99 K-1500 with a 5.3L that I replaced the crank sensor. I can not read codes or data in the run position, but I could in the accesory position, thich is between run and off. If I go to different modules I can communicate with them i...
2005 Chevrolet Silverado 1500 5.3L No Start VIN: 1GCEK19T35
This truck runs very rich the lt fuel trim is about -17 on both banks but when it is cold the truck will not start sprayed intake for vacuum leaks none found, pickup does not have a fuel pressure regulator to leak fuel pressure is at 62 psi, ran vehicle with m... Trouble codes: P0171 (p0172-), P0172
2007 Chevrolet C4500 Kodiak C4C042 6.6L Engine oil/ DPF VIN: 1GDE4V19X7
Need some help on this one. I have a local bus company that has a fleet of the c4500 chevy busses. They all have the duramax lbz engines. I have three of the busses that are "making oil".On are first bus we have change all the injectors, fuel pump and regulato...
1997 Chrysler Sebring JX 2.5L Stall VIN: 3C3EL48H2V
Vehicle only dies at idle when hot, acts like an IAC shutting off air.
1999 Dodge Grand Caravan SE 3.3L Relay Box VIN: 2B4GP44G9X
Hey guys, I have a 99 caravan here that intermittently stalls, the relay box clicks erratically, and it throws injector and coil codes. It will run fine sometimes but will stall every now and then. The battery terminals were corroded and rigged, so I replace b...
2002 Dodge Ram 1500 SLT 5.9L head lights VIN: 1D7HU18Z72
The truck came back with head lights not working. running lights worked fine, turning on and off like they should. also brake lights not working. I walked out and verified the problem. It took about an hour for me to get back to the truck and when I pulled it ...
2006 Dodge Charger 2.7L Starting VIN: 2B3KA43R16
Hi; 2006 Dodge Charger towed in over the weekend as a "No Crank - No Start". Put key in ignition and turn to crank and nothing. Key is broke and seperated from head. Customer states didnt want to spend 160 for a new key and it has been starting. I check all d...
1999 Ford Taurus SE 3.0L heater VIN: 1FAFP53U4X
HELP! I replaced the water pump and refilled system with 50/50. Now heater blows cool air. It worked fine before I did this work. I burped the system by running with cap off till thermo. opened, topped off, etc. Disconnect core hoses - core has nice flow throu...
1999 Ford F-350 Super Duty XL 6.8L No Start VIN: UNKN0WNV1X
This RV is one of those that has a local reputation for being a head ache. it starts just fine if it has been run within a couple hours or if it is above 50 degrees out side. when it gets below 50 degrees it will crank and not fire. to get it to fire you have ...
2002 Ford Explorer Eddie Bauer 4.0L Mechanical VIN: 1FMZU74E62
hi guys this vehicle came in with 4x4 not working and 4x4 light on dash flashing scan test several codes c1729 p1824 p1867 p1875 p1891 b2105 b2106 p0735 clear all code three codes came back p1824 4x4 clutch relay fail b2105 throttle position ckt b2106 throttle...
2004 Ford F-250 Super Duty Harley-Davidson Edition 6.0L Trailer hitching VIN: 1FTNW21P04
This truck trailerhitches at cruise..No matter what speed...with Speed control on or off...I have watched the RPM on my IDS and they move over alot during the event...I have also watched Cly balance during the event and have seen random misfires... have run ev...
2005 Ford F-150 King Ranch 5.4L valve train VIN: 1FTPW12535
Vehichle came in with check engine light and knocking noise. Codes for multipul cylinder misfire. The engine noise is coming from the right bank and all 4 cylinders on that bank are low on power. Checked compression on all cylinders and that was good. I suspec...
2006 Ford F-150 XLT 5.4L engine VIN: 1FTPW14516
We have this 5.4 with what sounds to be a lifter noise. The noise is definately valve terrain as it is at half the engine rpm. We have replaced both cam phasers and timing chain tensioners and the noise is still present. Has anyone had lifter problems with the...
1997 GMC Yukon SL 5.7L Cuts out VIN: 3GKEK18R2V
Stumper here. Long term fuel trims in high 30's, bogs at wot. Back off and it runs good. Does not miss, starts well. O2's are driven lean under bog conditions indicating fuel delivery problem. Had virtually same truck in Saturday and all readings except fuel t...
2002 GMC Yukon XL 2500 SLT 8.1L Cuts out VIN: 3GKGK26G02
This is a 8.1 liter yukon. The problem the customer is having, and us, is the rear gas tank (8 gallons) does not switch to the front tank (26 or so gallons) when it is low on fuel. GM says that the switch over should happen at 40.2 ohms. We tested his old one ...
2004 GMC Yukon XL 1500 Denali 6.0L Hvac VIN: 1GKFK66U64
Customer states the HVAC blower will not work or respond to speed changes when the vehicle is COLD. Once the vehicle is warm the fan seems to work normally 90% of the time. Sometimes it will continue to run after the vehicle is turned off though. It will not s...
2007 Honda CR-V EX 2.4L MIL Lamp on VIN: JHLRE38767
Hi guys, this crv has an ses lite, we followed mitchell diagnostics and cannot come to any conclusions. can't find a vacuum leak, iac valve not stuck open, no tsb's that ive found, idle seems fine but does raise as soon as code is set. anyone have some ideas f... Trouble codes: P0507 (IAC higher than expected)
2004 Infiniti QX56 5.6L No crank, abs light on, tcs light on, security VIN: 5N3AA08A74
The infinity was towed into the shop for a no start. The customer replaced the battery thinking this was the problem. We checked the ipdm to find low voltage and replaced it. After replacement car started and ran. When customer came to pickup vehicle it would ...
1998 Jeep Cherokee Sport 2.5L No Start, Stall VIN: 1J4FJ67S0W
Hi all, After searching the fix database with no luck I'm going to give this a shot. This jeep came in with multiple problems blown fuses... under hood #15 CHMSL and # 19 Fuel pump and inside #4 left low beam headlamp...replaced all fuses drove it 4 different... Trouble codes: P0700 (Trans. Control system), P1694 (Tach. circuit high voltage)
2008 Jeep Grand Cherokee Laredo 3.7L Steering column VIN: 1J8GR48K98
Customer called dropping vehicle off for tomorrow he stated nothing electrical on the steering column works. No headlights, no directionals,no horn,no wipers etc. Im thinking column control module/clockspring? Sorry for the ask ahead of time but my other compu...
2006 Lexus GS300 3.0L 3 gear not shifting VIN: JTHBH96S26
Hi Guys, I would like to know if any one had this problem, this 2006 GS300 that trans gets stuck on 3rd gear and had a code p0761 for the S3 solenoid on trans, I had it changed and serviced the trans and code comes back, we test drove it the first time and it ...
1988 Lincoln Mark VII LSC 5.0L a/c VIN: 1LNBM93E5J
hi :guys. This car came in with a/c problem , didn`t have all the fanction working. Find bad connectors to climate control swicth. Find two very good used connector and replace the old ones.working nice and good . After three weeks came back with doing noting ...
1996 Nissan Pickup XE 2.4L Stall VIN: 1N6SD11YXT
customer owned 3 months now previous customer said it was stalling intermintantly and distributor fixed that. now 3 months later the truck will stall and start right back up but then run very sluggishly and slightly rough until you shut ignition switch off. re... Trouble codes: 100 (mass air flow problem), 1900 (over heat problem), 110 (air intake sensor problem), 141 (rear o2 heater issue)
2006 Nissan Frontier SE 4.0L oil pressure VIN: 1N6AD07U16
Vehicle came in for timing chain noise. replaced all chains and noise went away. But now after vehicle hits opperating temp. the oil pressure gauge fluctuates between normal and min normal range. hook gauge and its getting 9 psi and floats around that. Replace...
2002 Pontiac Grand Am SE1 2.2L Hesitation VIN: 1G2NF52F02
On cold starts the car will usually start first time. Then when pressing the accelerator the engine will not rev it will either stall or chug then continue idling at WOT. All sensors seem to be reading properly. I replaced the map with a known good one with no...
2008 Smart Fortwo Passion Cabrio 1.0L Thermostat VIN: WMEEK31X18
Was hopin' to see if any members have changed th engine thermostat in one of these vehicles.. Mitchell doesn't give any estimating time, online i found a forum that said 3hours.I want to fairly quote the job. I appreciate everyones time Kevin
2003 Toyota Tacoma DLX 3.4L MIL Lamp on VIN: 5TEWN72N33
Help Toyota techs, I have a very good customer that has a check engine light comes on spuratically. The code is for Cyl. #1 misfire. It comes on after 2 or 3 weeks of driving under any conditions. This customer is very knowledgable about his vehicle and says i... Trouble codes: P0301 (Misfire Cyl. 1)
1999 Volkswagen Jetta GLX 2.8L Fuse #14 VIN: 3VWTE29M9X
Came in for a no start condition. Customers "Mechanic" already replaced the starter and ignition switch on a whim. When it got to me I found that the 10amp fuse #14 was blown. Replace the fuse and it starts and runs for a few minutes then blows the fuse and di...
2000 Volkswagen Golf GLS 1.8L Battery light VIN: WVWGH21J0Y
Battery light comes on while driving, off and on. More so when at idle.
2000 Volkswagen Beetle GLS 1.8L Stall
Hi VW Techs, I have the vin number for the vehicle but for some reason it does not take when i enter it into the vehcile info page ...the vin is [...] we have a 2000 beetle 1.8 turbo engine that came in for an constant stall when coming to a stop... Trouble codes: P1136, P1557
2002 Volkswagen Cabrio GLX 2.0L MIL Lamp on VIN: 3VWDC21V12
this is an interesting one. The car came in on the hook. It would idle all day long but when you would accelerate the car it would do fine but after about 5 seconds it would just shut off, restart just fine and do the same thing over again. It had 4 stored cod... Trouble codes: 16795 (secondary air incorrect flow), 16555 (sys to lean), 16486 (MAF input to low), 16500 (coolant temp malf.)
2004 Volvo XC70 2.5L Horn/Lights VIN: YV1SZ59H44
The car is parked unlocked during the night the outside lights will flash and the horn will blow (not the siren) for 25 seconds then resets itself then will go off again sometimes during the night sometimes three times in a row no codes stored in any system an...
2005 Volvo V70 2.5T 2.5L oil pressure VIN: YV1SW59235
Vehicle came in with oil pressure warning in information window and intermittant low oil pressure. We tested oil pressure and after running till warmed up the oil pressure would drop. We have seen this problem before caused by cracked sump seals so we replaced...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2003 Acura MDX Touring 3.5L Auto HVAC VIN: 2HNYD18953
I still have not gotten back to this, but I will add more info when I do.
2004 BMW 545i 4.4L Misfire, MIL Lamp on VIN: WBANB33574
this one is fixed it end up being bad ingition coils,never seen that before.Thanks to all of you who replied.NO MORE BMW FOR ME. Trouble codes: 10062 (misfire detection sum malfuction above max thehshold), 10057 (misfire detection cyl 2 /above max threshold), 10056 (misfire dection cylinder 7 invalid signal), 10055 (misfire dection cyl 3 above max threshold), 10053 (misfire detection cly4 above max threshold), 10272 (error disa blew max threshold).
2007 BMW 650i 4.8L parking assist VIN: WBAEK13557
thanks everyone for help. trevor from california got me to right direction and this bmw finally fixed and gone. thank you trevor you are the man... i removed the bumper and check all wiring harness and all connectors.all seems be okay..double checked connector...
1991 Cadillac DeVille 4.9L will foul plugs VIN: 1G6CD53B0M
Thanks for all the help. On this modle. i cleaned and ohmed the ground by the starter. In the end I had to remove the stud, and run a tap into the block. this cleaned the ground good enough to cure the problem. although I had ohmed this ground, and ran a jumpe...
1969 Chevrolet Nova 5.7L Engine VIN: 1327WER456
Thank you all for the replies... Ok here we go. Get ready to call me dumba$$... After a couple weeks sitting on my rack I finally had to move it this morning. I figured I would drain the oil before starting and put some fresh in it. I expected to get anti free...
1994 Chevrolet K1500 5.7L Unknown VIN: 2GCEK19K9R
Thanks for so many people helping! I had done additional things that people had suggested: new brake rotors, balancing drums, checked motor mounts, tune-up, reposition torque converter, test with engine off, and more. (No change) Since I had .027 runout at ...
1998 Chevrolet Tracker 1.6L Misfire VIN: 2CNBJ1867W
I appreciate all the replies on this vehicle. Unfortunately it is not fixed at this time. In total this is what I checked and tried: Timing belt inspection and timing marks, all good. Pulled valve cover to inpect cams and rockers, all good. Checked compressi...
2006 Chevrolet Impala LT 3.5L starter VIN: 2G1WT55K06
Well, I could not replicate the problem while the car was in the shop. I checked and cleaned the battery cables/terminals, battery was only two years old and a high quality unit. Cleaned the throttle body/plate, the POS cable at the starter was a slight bit ...
2007 Chevrolet Equinox LS 3.4L MIL Lamp on VIN: 2CNDL13F97
THROTTLE BODY AND RESET MIN IDLE TOOK CARE OF IT, tHANKS! Trouble codes: P0121 (Tp sensor or app sensor 1 problem), P2135 (Tp sensor 1-2 correlation).
2007 Chevrolet Trailblazer LT 4.2L abs module VIN: 1GNDT13S37
Well after fighting with gm to try new ebcm in diag of new one replaced going bad found used ebcm reprogrammed all ok no lights and communication ok send new ebcm back got final word today it was bad out of box. Live and learn.
2004 Dodge Sprinter 2500 2.7L Steering VIN: WD5PD74434
Well its finally gone now. After checking and rechecking the front end and u-joints we were lucky enough to have another sprinter come in. Both my service manager and I jumped in it and drove it. It had the same tightness that we were having. So after a long c...
2005 Dodge Ram 2500 SLT 5.7L Power Window VIN: 3D7KS28DX5
2000 Ford Focus ZX3 2.0L Hesitation, no power VIN: 3FAFP3139Y
I pulled the transmission and found the center of the flexplate had broken out, shifted about 20 degrees, and then wedged itself against the outer piece of the flexplate. This is the first broken flexplate that I have seen that DID NOT make any noise. Not on...
2001 Ford Explorer Sport 4.0L abs,master cylinder VIN: 1FMYU60E81
several people thought that it could be a loose wheel bearing causing speed sensor fault.wheel bearings were adjusted right,I also took the abs fuse out to make sure the abs wasnt causing the low pedal.problem still happened with abs disabled.what I found was ...
2001 Ford F-350 Super Duty Lariat 7.3L No Start VIN: 1FTSW31F11
it took me a long time to post this fix, just because i wanted to make shure truck would not be back, and for what it seems car is still runnning strong, David from Texas had the right advise, i drove the truck for 2 days straight i put about 400 miles, after ...
2004 Ford Escape Limited 3.0L Low Brake Pedal VIN: 1FMCU94154
I'll have to close this request with nothing to report. The customer called and said she will have to wait to reschedule. I have some useful information and have kept the emails from all the techs that responded. If we do get this vehicle back in and reapir i...
2004 Ford Focus SE 2.3L ABS Light VIN: 1FAFP34234
Hello to all. Thank you to all who took the time to reply. I'm gonna call this one fixed (for now) These are known to have issues with the IPC, I also searched some Ford forums and found that many have had success cleaning the cluster circuit board with alcoho...
2006 Ford F-350 Super Duty XLT 6.0L Turbo VIN: 1FTWW31P96
Thanks to everyone who replied. For those who said exhaust leak at rear y-pipe you were correct. I had replaced the pipe when I replaced the turbo & somehow it didn't seal properly. I disconnected everything & started over from turbo to manifolds & problem ...
2008 Ford Escape Limited 3.0L Engine
Customer has decided to hold off on further inspection and tear down.
2005 Honda Civic EX 1.7L No Start
This one went back to the dealer it was purchased at...so their techs could diagnose it. Got a phone call the next day asking us what we found...lol. They said they did compression test and was very low. They are putting a used motor in this thing. Thanks ...
2007 Honda CR-V EX 2.4L Surge VIN: JHLRE38767
i decided the problem was in the trans. Flushed trans and problem seemed to be gone. Cust has driven and also feels problem is gone. thanks for all the input! god bless!
2007 Honda Civic DX 1.8L airbag srs VIN: 2HGFG11387
hi guys thanks for your help i finnaly fix that crapt, the problem was the right curtain was short inside . there was no curtain code. only srs unit internal faillure 55xx very weird,cannot believe!thaks your help is always welcome.
2003 Hyundai Santa Fe 2.4L engine
Well i feel really stupid, i have done a handful of these belts in the past but somehow i missed it. the reluctor wheel was reinstalled backwards causing the spark knock, it did not sound like spark knock to me, but thats what it was. properly installed the wh...
2008 Isuzu Ascender S 4.2L MIL Lamp on VIN: 4NUDS13S38
I knew it. The new secondary air valve was faulty. BTW, I had checked for 5 volts and ground at the sensor and was ok. The voltage on the signal wire stayed at 3 volts weather the the pump was running or not. Sorry, may not have been clear on that. Thanks so m... Trouble codes: P0411, P2432, P2440.
2007 Jeep Grand Cherokee Laredo 4.7L Starter VIN: 1J8HR48P77
We swapped the starter and horn relays. Customer said no more problems after several days so a new OEM relay was permanently installed and all is well. Thanks everyone!!
2004 Kia Sorento EX 3.5L Power Steering VIN: KNDJC73344
Turns out the EPS module was defective. I was told by a local dealer that this vehicle did not have this module.
2007 Kia Sorento EX 3.8L Alternator VIN: KNMB233076
Thanks for the reply's guys it is a plug and play like y'all said! It turned out to be 2 bad reman alts in a row the 3rd one worked. That's pretty sad QC imo but regardless its done and I can move on. The wiring on my car here had white and blue wires to the r...
2002 Mercedes-Benz ML320 3.2L central locking VIN: WDC1631132
Thanks for your input everyone, sorry for the delay in closing ,I had a bit of a health issue over the christmas break.This car has separate opening and locking circuits activated through relays by the AAM.The AAM was not showing any fault codes but the tailga...
1999 Mercury Sable LS 3.0L Stops Running VIN: 1MEFM53S0X
I want to thank everyone for there replies on this problem that I'm having with my wifes car. Since this is a intermittent problem I have had my wife drive my truck so I can get this fixed for her. What do you know? It won't act up for me! Everywhere I go I ma...
2002 Nissan Altima S 2.5L Line pressure VIN: 1N4AL11E12
I will call this one fixed. I'm still waiting on a planetary gear, but am confident that we found the problem. First of all the oil pump was good, but the line pressure problem must have been a valve body issue. With the trans out and the oil pump removed we p...
1997 Pontiac Bonneville SE 3.8L No Start, Stall VIN: 1G2HX52K6V
Sorry to post summary so late. I wanted to give this car several weeks to see if it would act up again. Went approx two weeks, all was fine, then no crank. I have not looked at it again, they have no funds. With car running, I wiggled every underhood harness, ...
1998 Toyota Camry CE 3.0L alignment VIN: 4T1BF28KXW
This vehicle was interesting. This drift left seems to affect the camry from 1995 to 2009. There is no caster adjustment and I can't find any "fix-it" parts to put on. What I ended up doing is loosening the lower ball joints and swinging them in there over siz...
2000 Toyota Camry CE 2.2L MIL Lamp on VIN: JT2BG22K4Y
like to thank everyone for the help im going to try a cansister i will update this after the car has done the 2000 km that it takes for the light to come on Trouble codes: P0440.
2006 Toyota RAV4 3.5L air bag VIN: JTMZK33V26
thanks for all the replies,after duing the testing you all pointed me to it points to the clock spring,but at this time the customer doesnt want to lay the money out to fix it at this time,i will update when they return thanks bud
1993 Volkswagen EuroVan MV 2.5L Front heater VIN: WV2MC0700P
Sorry took so long to close, have been gone. Thanks for all the great replies, after further inspection the problem was the seals & insulation inside the heater box coming apart and not sealing the blend doors Customer did not repair at this time Thank You
1995 Volkswagen EuroVan Camper 2.5L Mechanical VIN: 1WVAE0703S
Thanks for the fedback on this VW engine. It took sometime to find the opening on the bellhousing so I can see the timing marks so I could set the timing. With out your help I would still be looking every where. Thanks again everyone.
2007 Volkswagen Passat 2.0T 2.0L Parking Brake VIN: WVWAK73C07
2007 Volkswagen Passat 2.0T 2.0L Rear Calipers VIN: WVWAK73C07
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