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Prev Professional Automotive Repair Technical Discussions for December 27, 2010
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Help Request Answers
2003 Acura MDX 3.5L Transmission VIN: 2HNYD18623
The vehicle road tests smooth. Trans shifts good and on time. But when you hard brake to a stop and go to accelerate the truck does not move. Just revs up but if you go to park then back to drive the trans shifts perfectly fine until the next hard brake. A nor...
2004 Acura TL 3.2L Wheel Speed Sensor VIN: 19UUA66234
Fellow techs, this car came in with a worn r/front lower ball joint, cust states that she ran over a curb and had to replace wheel and tire. The whole knuckle w/ ball joint was replaced with oem parts further more we pressed in new timken bearing and re-used t...
2004 BMW 745i 4.4L coolant temp warning light VIN: WBAGL63454
I am need of some direction on this E65 I have a overheat light coming on erroneously. I have checked the temps with another E65 and the findings are identical with in a couple degrees here and there. I have also checked the temp readings from the instrument c...
2001 Buick Century Custom 3.1L Mechanical VIN: 2G4WY55J21
Engine like so many other 3.1 's has that famous lifter/cam noise, it does it when cold and now does it at idle when warm also. Mt wife's car also does it and we have seen tens of 3.1's with this noise. Gm has a bulletin out about piston slap??? Has anybody go...
2004 Buick Regal LS 3.8L shift interlock VIN: 2G4WB52K54
Car came in with customer complant of shifter wouldn't come out of park and no shift indicator. Also found no reverse lights,no radio, no comunication with scanner to pcm,bcm,abs,or icp. After testing power at all fuse, ignition switch and modules all good! I ...
2006 Cadillac SRX 3.6L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GYEE637X6
SUV came from another shop after they replaced the left timming chain(the previous chain broke down). They replaced the left secondary timming chain, all three tensioners and all 6 guides but the car was idling rough and check engine light on codes P009, P0018... Trouble codes: P0009 (Engine Position System Performance Bank 2), P0018 (Crankshaft Position CKP/Intake Camshaft Position CMP Correlation Bank 2), P0019 (Crankshaft Position CKP/Exhaust Camshaft Position CMP Correlation Bank 2), P0302 (Cylinder 2 Misfire Detected), P0304 (Cylinder 4 Misfire Detected), P0306 (Cylinder 6 Misfire Detected)
1997 Chevrolet K1500 Suburban 5.7L abs module VIN: 1GNFK16R0V
I have a 1997 Suburban 1500 that the Abs module is almost constantly running. Both front wheel bearings and speed sensors replaced. Rear sensor tests fine. All sensors read the same speed while driving. Abs light doesnt come on and no abs codes set. Any ideas ...
1998 Chevrolet K2500 Silverado 6.5L Mechanical
This vehicle is custom.Its actually an 85 K20 with a 6.5TD and a 4l80e trans with a Tci trans controller so there is no way to hook up diagnostic equipment. This transmission has one cooler line at the back. When vehicle is put into drive truck feels like it i...
2003 Chevrolet Silverado 1500 5.3L t-case VIN: 1GCEK19T73
replaced transfercase last week with a jasper and the new one had no 4wd high did have 4wd auto checked with the scanner and found no output speed test wires and found that the case was missing parts replaced with a new jasper and now have my output speed but ...
1995 Chrysler Cirrus LX 2.5L No Start VIN: 1C3EJ56H2S
I had the car PCM changed because of run on three cylinders after changing the PCM car ran great for (2) days when to start on the third day lights,and horns started flashing and blowing,that put the car in thief -mode car has NO-REMOTE,never had one.return th...
2001 Chrysler Voyager 3.3L cluster VIN: 1C4GJ25381
Wierd one here, just trying to figure out why it's doing what it's doing. Had a speedo problem, another tech put in a cluster immedatly was flashing/pulsing guages, got a second worked fine until customer got nearly home. I test drove this morning verified con...
2005 Chrysler 300 (Car) C 5.7L exhaust valve VIN: 2C3JA63H55
This chrysler came in with a dead miss on cylinder #2 check compression and had 0 psi. I pulled the vavle cover and rocker arm assembly and the number 2 exhaust valve is about half inch down in the head compared to the other cylinders. I tried prying up on the...
2005 Chrysler 300 (Car) 2.7L Stall, MIL Lamp on, no power VIN: 2C3JA53G65
this vehicle came in, intermittent stall problem on decel, and intermittent loss of throttle response, will idle but will not accelerate. ignition can be cycled, will start and run (electronic throttle lamp will be flashing). clear codes, can drive 30 feet or ... Trouble codes: P2110, P2112
1998 Dodge Ram 2500 Truck 5.9L 1st Reverse VIN: 1B7KF23DXW
I do not know where to go at this point . The normal items have been done we have also bleed the clutch hydraulic system with no change.
2007 Dodge Ram 3500 Truck SLT 6.7L No Start VIN: 3D6WG48A77
A Friend has replaced the head gasket. The vehicle would run when it came in an now we are unable to get fuel pressure to come up. all fuses check and recheck good. The cam sensor shows all wires to computer to be good. The sensor also shows a good square wave... Trouble codes: P0341
1997 Ford Taurus G 3.0L torque converter engagement VIN: 1FALP52UXV
Vehicle towed in, no history. Will start and run, but locks down immediately if put into any gear. Locks down even if engine rpm is raised to 1500 or so. Disconnected trans connector, no change. I'm not familiar with ford transmission, but this is a friend of ...
2001 Ford Windstar LX 3.8L MIL Lamp on VIN: 2FMZA51441
Hello all, Looking for parts information. performing an upper/lower intake manifold gasket replacement and noticed that I am missing the IMRC control rod for bank 2-(forward bank). It appears that the only way to obtain this rod is dealer with a new IMRC motor...
2003 Ford F-450 Super Duty XL 7.3L Starting VIN: 1FDXF46F33
Customer brought truck in with rebuilt pcm to be flashed. I flashed pcm, tried to start truck but wouldn't start. check codes - P1670 EF signal not detected. Hook up breakout box, check signal on pin 48 and pin 91, both correct. I cleared codes, and they have ...
2003 Ford F-350 Super Duty XLT 6.0L No Start VIN: 1FTNW21P73
Truck came in no start, oil leaking from rear of engine, very low on coolant. replaced head gaskets and high presure oil pump and icp sensor, truck ran for three days at the shop with no problems. Went to start it prior to customer picking it up, it fired then...
2003 Ford F-150 XL 5.4L MIL Lamp on VIN: 1FTRW08L23
This truck runs noticeably rough at idle with P0172 rich bank 1 , fuel pressure seems ok , regulator responds to WOT ,no leak into vacume line , evap line to intake doesnt show any sign of leaking fuel into intake.The Air filter is not clogged ,Fuel trim is -2... Trouble codes: P0172 (Rich Bank 1)
2005 GMC Yukon XL 2500 SLE 6.0L MIL Lamp on VIN: 3GKGK26U05
OK, right after Christmas and my hair is being pulled out. This vehicle has been here 4 times with this exact same code. The first time the coolant was low due to a leaking water pump. The next time we installed a new coolant temp sensor. Last time we replaced... Trouble codes: P0116 (ECT sensor performance)
2003 Hyundai Elantra GLS 2.0L No Start, Stall VIN: KMHDN45D13
Vehicle was towed to shop and sounded like it needed a timing belt by the way it turned over. Customer said it died on the highway and just quit running. Timing belt was not broken and the chain between the two cams, though not rigidly tight, is in time accord... Trouble codes: P0456 (Evap), P0455 (Evap), P0117 (Coolant temp sensor), P0340 (CMP sensor)
1992 Infiniti Q45 4.5L Excessive Emissions, Poor Idle Quality, Poor Fuel Economy, Very Rich VIN: JNKNG01C5N
Car came in not long after customer purchased from Ebay seller. No history available on previous owners experience. This car came in with a bad miss. Found plugs fouled and replaced. Car also had a code 12 in memory so after research we added the supplemental... Trouble codes: 12 (Mass Air Flow Sensor or Ckt)
2006 Jeep Grand Cherokee Limited 5.7L Misfire, MIL Lamp on VIN: 1J8HR58226
I have an 06 jeep grand cherokee with the 5.7l hemi. The vehicle has a misfire when first fired up in the morning when its cold. Around 15 degrees outside at night lately. It will run fine for a few mins and then cylinder #1 will misfire for 30 to 45 seconds a... Trouble codes: P0301
2007 Jeep Commander (Truck) Limited 4.7L Air bag VIN: 1J8HG58P77
Hi guys. I have an 07 jeep commander that has an air bag light on. It came in with code b1b28-front row driver seat belt pretensioner circuit low and code b1bff which i could not find a code description. Just got the vehicle from the auction so i cleared the c...
1995 Land Rover Discovery 3.9L starter VIN: SALJY1249S
Vehicle came in as intermittent no start. Ignition assembly was bad it just turned 360 degrees. replaced ignition and still no start. no power to solenoid wire. will start when voltage applied. My mitchell system does not give me wiring diagram for this circui...
2005 Land Rover Range Rover HSE 4.4L abs VIN: SALMF11475
Hello Fello Techs.I have a RR 4.4 l322 that is driving me crazy.While driving the steering gets very hard to turn and will begain to apply brake pressure to all four wheels and eventually stop the vehicle and I have to open the brake lines at the abs module to...
1992 Lexus ES300 3.0L All shifts VIN: JTAVK13T3N
Car came in with bad transmission. No reverse or drive. Installed used transmission. Now shifts hard in all gears. Very limited info from Alldata. Line pressure idle spec for drive is 51psi to 60psi, my reading is 120 psi. For reverse spec is 81psi to 94 psi, ...
1993 Lexus LS400 4.0L ele sys. VIN: JT8UF11E9P
hi gang ,thanks for looking this lexas will drain batt overnight.we have tried pulling fuse to factory phone and disconnecting has after market radio but seams to be changer also seams off.any other ideas before i through in the towel.we also put...
2002 Lexus GS300 3.0L Timing Belt VIN: JT8BD69S82
Hey Guys, I am doing a routine Timing Belt and Cam seal job and found the VVT Intake cam sprocket leaking. I am replacing the sprocket and belt but cannot find the data to set up the the timing mark on the intake gear. I know where the mark is on the gear and ...
2006 Lexus LS430 4.3L Door latch VIN: JTHBN36F46
Thanks for taking time to read this. The right rear door has a power closer and will not shut. Has to use a bungy core to keep door closed. Dealer said $1300 to repair. We pulled the lock assembly and found the fork that the outside door handle fits into was ...
2006 Lexus RX330 3.3L Audio VIN: JTJGA31U26
Every time the vehicle is turned on (even if it was just running and the key is cycled) the audio is silent, as if it were being muted. Even the "beeps" from the navigation system as you select items are silent. This will last for anywhere from a few moments t...
2002 Mazda Protege5 2.0L A/C Compressor/Blend Door VIN: JM1BJ24642
This vehicle is experiencing a combination of issues. On a previous visit, the vehicle came in with a flickering A/C on/off light on dash, I replaced switch & cleaned all connections. Issue was resolved. First, Temp Control Blend Door will not function prope...
1983 Mercedes-Benz 300D 3.0L lack of power VIN: WDBAB33A4D
Nobody in town can help us. (believe me I asked) Car will not get out of its own way. VERY under powered. Doesn't seem to spool up (rev up) quickly enough. You can get it up to 90MPH but off the line it is very sluggish. New fuel filter and output side of ...
1995 Mercedes-Benz S420 4.2L Stall VIN: WDBGA43E2S
Car originally came in on the hook with the o2 sensor wiring on fire, after replacing car still ran horrible so we decided to smoke it, upon testing found intake orings leaking. We replaced intake gaskets, orings and while doing that replaced main wiring harne...
2005 Mercedes-Benz E320 CDI 3.2L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Poor Fuel Economy, MIL Lamp on VIN: WDBUF26J85
Hello and Thanks for helping,This E320 cdi came in with low power as if the turbo was not making boosting and the engine makes a loud clacking-pre ignition sound.I scanned with launch and came up with 2359-1 boost pressure too low .I checked hoses and tubes an... Trouble codes: 23591, 25351
2000 Mercury Mystique GS 2.0L Excessive Emissions, No Start, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1MEFM6534Y
Hello all I have the usual problematic Mercury Mistake in the shop. Customer brought the car in stating the only way he could start it was with carb cleaner and after the customer shut the car off would not crank back up at all. Vehicle was towed in and when I... Trouble codes: P0320, P0340
1998 Mitsubishi Eclipse GS 2.0L Poor Idle Quality VIN: 4A3AK34Y0W
thank you for your help.. i installed 2.0L engine runs rough and there is a strong suction in the oil filling hole if remove the cap the idle goes up and the engine sounds a little better and if i put it back its goes rough again.. the vacum lines look ok and ...
2002 Nissan Maxima SE 3.5L Flywheel VIN: JN1DA31A42
I am hoping for a little advise on this Maxima. It is in need of a clutch replacement due to normal wear and is at 116000 mi. The question I have is, apparently the flywheel is not resurfaceable due to the way it was made. I am a firm believer in having a new ...
2004 Nissan Altima SE 3.5L MIL Lamp on VIN: 1N4BL11D65
Hello and Thanks for taking a look at this! Car came in with check engine lite on. I scanned with Snapon Verdict scanner and found code P1273 in history. I put all 4 O2 sensors in grafting mode and went for a 20 mile test drive. Bank1 sensors would go lean af... Trouble codes: P1273 (Air/Fuel Sensor1 Bank1 Lean Condition)
2002 Pontiac Bonneville SE 3.8L charging gauge VIN: 1G2HX54K92
need your help on this one, car has had two new alternator, new battery when car came here, trouble is when you start car up for about 1 minute gauge in dash reads charging 14 volts then drops to zero and check gauge light comes on, but you put test meter at t...
1996 Subaru Legacy Outback 2.5L No Start VIN: 4S3BG6858T
ok subuaru guys i need a hand. I did headgaskets on this outback with a 2.5 dohc simple job right well not this time. i sent the heads to the machine shop to be safe they resurfaced and checked out ok. reinstalled heads and engine and now it wont start. i have...
2000 Toyota Sienna CE 3.0L Speedometer VIN: 4T3ZF19C4Y
Customer stated the speedometer worked fine the first few days after he bought the van, then started reading slower speed the he was actually driving. Also the odometer was reading more miles than he was driving. The odometer started randomly reading 999,999 t...
2007 Toyota Tacoma 4.0L dash warning lights VIN: 5TELU42N17
I know this must be a simple fix, but I'm not familiar with Toyato chrg system. So thanks in advance for the help Guys... ABS/ Brake light indicators on the I/P are on. Batt. volts at the alt, and fuse panel and Batt. cables. also a fluke, power windows A/C co...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1990 Audi 90 Quattro 20v 2.3L Cuts out, Airflow Sensor Wirin VIN: WAUHE58A4L
Well, John from California gets the Gold Star today!! Sure enough, the TPS and MAF plugs are dimensionally the same and will plug in incorrectly. Swapping the connectors from TPS ot MAF has returned life to this Audi. Why did'nt I see that?? Baskets and al...
1998 BMW 740iL 4.4L Excessive Emissions, Poor Idle Quality, Surge, Cuts out, MIL Lamp on VIN: WBAGJ8321W
well its def fixed, there is a plate on the back side of the intake that was sucking air therefore not allowing the iac to work, thanks for all the info! Trouble codes: 00032 (Unknown).
1991 Cadillac Brougham 5.0L high idle VIN: 1G6DW54E6M
The problem with this vehicle was the timing had to be adjusted. I am sorry i took so long to close this request. Thank you for all the great advice.
1994 Chevrolet C1500 5.7L Hesitation, Surge, Stall VIN: 2GCEC19K3R
This truck is out of my shop. Pete from Wisconsin told me to disconnect the map...yes it ran great!checked map wires and vacuum line(new delco sensor) ...fine customer did not want to spend any more money on old work truck...lot of mileson the engine, the onl... Trouble codes: 33 (manifold absolutemap signal voltage high).
1996 Chevrolet C1500 5.7L Misfire, MIL Lamp on VIN: 2GCEC19R3T
this one is done, i liked the idea of blocking the pcv and vent and checking vacume on dip stick, wasent it, but ill use it in the future, it was the dist. cap as several people said, i was looking past it due to the fuel trims, but of course the missfire(s) w... Trouble codes: P0300.
1998 Chevrolet P30 7.4L Poor Idle Quality VIN: 1GBMP37B9W
thanks for all the responses. a couple of guys mentioned fuel volume test. recieved only 8 zo fuel in 15 seconds at idle. should have 16 oz. also found at half trottle fuel gauge would fluctuate alot but not at wot. I restricted the return line to 75 ... Trouble codes: P0131, P0151.
2002 Chevrolet Trailblazer LS 4.2L MIL Lamp on VIN: 1GNES16S22
2004 Chevrolet Cavalier LS 2.2L Poor Idle Quality VIN: 1G1JC52F24
1st off, Thanks to all that replied on this. This car, not 1 time acted up until yesterday morning ( Sunday) and this morning was fine.I had a suspicion about the IAC and had 1 here. I changed it this morning and the original 1 was sticking in the spring and s...
2007 Chevrolet Corvette 6.0L roof
thanks for the replies. we reclearcoated it and we'll just have to wait and see what the fl sun does to it.
2005 Chrysler 300 (Car) 2.7L No Start, Stall VIN: 2C3AA63H05
2001 Dodge Durango 4.7L 2-3,3-4 shift VIN: 1B4HS28N11
Thank you for all the help I recieved for my request. I have not been able to have the vehicle back yet, but here is a summary of what I learned. Change fluid and filter, use only ATF +4, synthetic fluid might not look burned but might lose viscosity. also ...
2007 Dodge Dakota SLT 3.7L low compression VIN: 1D7HE22K27
thanks for the response on this one. after pulling valve covers i found right cam shaft broken between cylinder #2 and #4. i am waiting on customer to decide on replacement of heads or complete engine.
2000 GMC Sierra 1500 SLE 5.3L Hesitation, Surge, Cuts out, Stall VIN: 2GTEK19T3Y
First thanks to all who replied to help. I really appreciate it when you guys get back so soon. I used my 24 hour pass to the full data base and found several MAF sensor posts with the same conditions I was having. Alex from Georgia had it right...but I did'...
2003 Honda Odyssey EX 3.5L MIL Lamp on VIN: 5FNRL18013
thanks to all that replyed.rick and nelson hit the nail on the head with the fillerneck it was leaking under the metal band near the cap.the only way i could see smoke is if the tank was droped down on an angle if tank was in place it would show no signs of sm... Trouble codes: P1456.
2000 Jaguar XJ8 4.0L Heater VIN: SAJDA14C0Y
To everyone, thank you for all of the suggestions. As with most things in life, it ended up being the most simple of all - an air pocket. We bled this vehicle over and over again, used a vacuum filler on it, and finally were able to purge the air out using a f...
2006 Lamborghini Murcielago 6.2L Intake Air Wings VIN: ZHWBU16556
Thanks for all the helpful replies. The airflap-actuators are actual 2 electric motors, which have to be set: Ignition on, engine not running, hold down the flap-button for about 20 seconds, then turn engine on. It worked in my case. Interesting: if the flaps ...
1998 Lexus ES300 3.0L Power Brake Booster VIN: JT8BF28G6W
2003 Mercedes-Benz E500 5.0L Interior VIN: WDBUF70J73
OK guys it fixed. I did end up replacing the cluster and then was able to gain communication to rest of modules. I did have to send this car to the dealer for scn coding. But after we got the car had no problem communicating with all modules. Suspension ha...
2006 Mercedes-Benz ML350 3.5L No Start VIN: 4JGBB86EX6
Unfortunately this vehicle left for MB dealer without us fixing it. I did try a crank sensor, no change in symptoms, re-installed original. Cleaned throttle body, no change. Performed re-initialization of throttle blade. I also checked into the other areas sug...
1998 Mitsubishi Eclipse GS 2.0L No Start VIN: 4A3AK34Y0W
thanks everyone for your help..i did check everything at least 10 times.. i followed "alldata" system instruction and still wasnt sure,any way decided to replace the computer.. the car started without any problem... thank you
1996 Nissan Maxima GLE 3.0L Poor Idle Quality, Hesitation, Stall, Poor Fuel Economy, MIL Lamp on VIN: JN1CA21D6T
The room mate bought a LEMON or she was SOLD a lemon!! The engine has been replaced the looms are a mess. I have made some repairs but Iam going to recommend that she OFF LOAD this to a JUNK DEALER.. What some people do to "try and fix" things AHHH! Thank goo... Trouble codes: P0505 (Iacv), P0150 (O2 b2si), P0325, P0600 (Ecm-tcm), P1400 (EGR solenoid).
2004 Subaru Forester XT 2.5L Turbo? VIN: JF1SG69654
We had our suspicions confirmed with the replies we received. We purchased a new turbo unit from Subaru, 2 gaskets, and 2 water hoses and an oil hose. We had the exhaust off, for about 5 days and left it upright and it drained coolant/oil. (Thus far, no cat...
2004 Toyota 4Runner Sport 4.0L Shocks And Struts VIN: JTEBU14R84
Well everybody thanks for help but we went another route. we just installed regular shocks and left the hydrolic system disabled. Truck drove abosultely fine. Saved the customer about A $1000.00!!
2010 Toyota Camry XLE 3.5L No Start VIN: 4T1BK3DB8A
Two replies said that the motor was likely cooked because of no coolant and that no coolant would cause no temp reading on this vehicle along with no lights on. I went to the body shop to check this out myself. It had spark and pulse and fuel pressure. So I re... Trouble codes: P1604.
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