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Prev Professional Automotive Repair Technical Discussions for August 15, 2012
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1997 BMW 318i 1.9L MIL Lamp on VIN: WBACC0329V
Vehicle came in for state inspection with check engine light on & 3 current codes - replaced front oxygen sensor to correct code p0130 - repaired vacuum line to secondary air injection vent valve to correct p1423 - this leaves code p1174 - i thought this was a... Trouble codes: P1174
2003 BMW 330Ci 3.0L warning light VIN: WBABS53453
When fully warmed up and idling red oil warning will flicker and sometimes stay on.Under these conditions measured oil pressure is not less than 12 psi.Has been checked with couple of gauges.No unusual noises from engine and no codes with Autologic.Warning lam...
2008 BMW 128i 3.0L evap core VIN: WBAUL73568
Hey guys, sorry to post over something so mundane, but we have an 08 BMW 128 convertible in here with a failed evap core (Valeo system). The problem is that our estimating software does not list any times for anything other than evac/recharge on this model (Sn...
1998 Buick Riviera 3.8L No Start, Cuts out, Stall VIN: 1G4GD2217W
Car dies intermittently and will not restart until later. Scan codes , non present
1970 Chevrolet Monte Carlo 5.7L rocker noise
side to movement of rockers is the problem along with the tic the heads are stock the push rods stock the cam is mild the steel rockers are stock all parts new clueless any sugg greatly appreciated from those of u with more experience in this are...of course i...
1995 Chevrolet K1500 5.7L Ac Temperature VIN: 2GCEK19K4S
Hello fellow techs. Have a interesting issue. Have a 95 1500 chevy pu that intermittantly looses cold air. When you turn headlights on. Ac will be cooling fine. Pressures 175/35- center air duct temp 40 degrees. When you turn headlights on goes to full heat. F...
2001 Chevrolet Malibu 3.1L Surge VIN: 1G1ND52J71
Vehicle operates normally until it is up to temp. Once it is up to temp it will surge in 3rd and OD only. Only under light to mid acceleration and until lock up comes on. It actually feels almost like you are sitting in a rocking chair. It is not a miss and al...
2003 Chevrolet Malibu 3.1L alternator VIN: 1G1ND52J23
Got some suspicions on this, but would like some verification. vehicle came into shop with charge light & ABS lights on, only charging 10.8. replaced the alternator and we still have no charge, cleared PCM codes and checked again, still nothing. Do I have a bu...
2005 Chevrolet Silverado 3500 6.6L MIL Lamp on, Hard Start at Times VIN: 1GBJK39215
I have this 2005 Chevy 3500 Duramax 6.6L LLY. It will run perfectly fine and have plenty of power... except for every once in a whial it will set a code P1093 and will go into a "limp" mode not allowing fuel pressure over 11,000 PSI. At that point the RPMS won... Trouble codes: P1093 (Fuel Pressure Low During Power Enrichment)
2005 Chevrolet Trailblazer LS 4.2L blower motor/noise from vents VIN: 1G2NE03915
Greetings, This trailblazer came in with an original complaint of an intermittent noise when driving. I have been able to duplicate the noise in the bay with the blower motor on (a/c on/off doesn't seem to matter), reving engine to 3000 rpm. it makes a high p...
2005 Chevrolet Express 3500 LS 6.0L Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: 1GAHG39U15
Van towed in 2 months ago running poorly. Found cracks in manifold. Sprayed with carb cleaner and engine smoothed out. Van was pulled in and out of shop every day running progressively worse. Boss finally gave me ok to fix 2 days ago. Job went well. Also repla... Trouble codes: P0300
2000 Dodge Ram 3500 5.9L calipers VIN: 3B6MC3666Y
Vehicle presented with RF caliper locked, dust boot damaged as well as rotor badly damaged. Replaced both rotors, pads, and RF caliper and bracket. Front brakes dragging, can turn by hand but difficult. Releasing bleeder and brake line at caliper not helpful. ...
2003 Dodge Durango Sport 5.9L pcm VIN: 1D4HR38ZX3
Hi guys in need help this Durango came from another shop. the customer states that going down the highway as she turned the cruise off the it stalled like the key was turned off. 1st shop diag it as a computer. They put one in and it went up in smoke instantly...
2004 Dodge Dakota SLT 4.7L compressor VIN: 1D7HG48N14
The compressor does not engage. we have a/c request from the control head the pcm does not give ground to coil on relay we suspect evap temperature sensor does anyone know what that should read with a dvom? i have not found a PID for it on my Modis or Genysis
2005 Dodge Magnum R/T 5.7L Stall VIN: 2D8GV58295
After refueling, the engine will die on the first acceleration only.
2005 Dodge Grand Caravan SXT 3.8L Transaxle VIN: 2D4GP44L95
It's always the easy fixes that grind your ax. Had an 05 Grand Caravan dropped off with a "wont move" issue. Owner said she put it in gear, heard a snap and no movement, no warning. Got in a very clean car with 144904 miles on it. Started and ran fine, no MIL...
1992 Ford F-150 Custom 4.9L Stall VIN: 1FTDF15Y5N
Howdy Y'all ! I have this old dinosaur. 1992 F150 4.9 Automatic. At times the truck will stall after it has been warmed up and ya come to a stop. I have cleaned and then replaced the Idle Air Valve and still the stalling. Tps is .92 volts at idle and sweeps go... Trouble codes: 512 (Keep Alive Memory)
1999 Ford F-250 Super Duty Lariat 7.3L Power Locks VIN: 1FTNX21F0X
Power locks work for awhile, then after operating them a few times, they quit working all together. Will work again later. Any help is much appreciated.
2000 Ford F-350 Super Duty XL 7.3L brakes seize VIN: 1FDWF37F5Y
This is one for the books.Customer brought truck saying they barely made it is since the steering and brakes had quit responding but that the brakes were nearly siezed after a couple of applications and truck didn't want to move. I found the plastic dipstick h...
2000 Ford F-150 XL 4.2L overheats VIN: 1FTZX1726Y
brought truck at a used car lot,,,five miles out of the lot with a/c on 100% degree weather over heats temp gauge is peg oil gauge is peg rad boil over at idle all seems well pull a p1299 code...they replace the cats.tstat.rad and are checking water pump close...
2001 Ford Excursion Limited 6.8L A/C & inj. 10 VIN: 1FMNU43S61
All power & ground is there at start up but goes away after 3 to 5 seconds.
2002 Ford Escape XLT 3.0L Misfire VIN: 1FMCU04102
Greetings to all car came from another shop with complaint of misfiring they installed all new coils.cylinder four coil is not getting a signal to fire, wiring checks good i feel the driver for that coil is bad in the pcm due to the coils being bad.shop says t... Trouble codes: P0354
2004 Ford F-350 Super Duty King Ranch 6.0L MIL Lamp on VIN: 1FTWW32P74
We have this power stroke that I have a question about? It has a dummy throttle plate where the throttle motor has a connector and also a TP sensor. However, its empty no throttle plate. Looks like PCM is commanding the actuator but not seeing the TP sensor mo... Trouble codes: P0407 (Exhaust Gas Recirculation Sensor B Circuit Low), P0488 (EGR Throttle Position Range/Performance), P0480 (Fan 1 Control Circuit)
2005 Ford F-550 Super Duty Lariat 6.0L No Start VIN: 1FDAF56P55
Hi guyz need help. We had this truck towed in about a month ago. Crank no start.fault set icp too low.crank rpm 190. Icp 0 psi and ipr at 85%.remove oil filter and crank the engine with holding the valve down housing fills up with in 12sec. So i have base oil....
2006 Ford F-350 Super Duty XLT 6.0L oil pressure VIN: 1FDWF36P76
I have this F350 that stalled and will not start. it has 0 oil pressure at the LPOP. Pulled and replaced oil pump and housing cover. Check the run out and it is .004 so at the end of the line. No oil pressure, no oil drip from the pump, pump only had a trace o...
2006 Ford F-550 Super Duty XLT 6.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FDAF56P26
okay had truck come in originally with cyl 7 misfire and cyl 3 contribution. truck had a definate dead cyl. replaced all injectors on bank 1 and truck ran perfect for about 3 days. now i have a cyl 2 contributon and cyl 3 contribution code and no misfire codes... Trouble codes: P0299, P0266, P0269
1995 GMC W3500 Forward W3S042 5.7L engine VIN: J8DF5A120S
It is a 95 w5500 box truck with the diesel engine, and at about 30 mph it would have a definite decrease in power. Now it wont idle. Will start with accelerator on floor then dies. Any suggestions?
2001 GMC Yukon XL 1500 SLT 5.3L fuel gauge VIN: 3GKFK16T11
local dealer dropped this on me. customer has tried two new fuel sender units and had cluster sent in and tested ok. i can command all other gauges with scanner except for the fuel gauge.it usually stays at one quarter tank but scanner will show 55% fuel in ta...
2004 GMC Envoy SLE 4.2L Gauges VIN: 1GKDT13S24
This is my aunts vehicle and it has been acting up intermittently for a while now. The problem is the gauges quit working some times and the lights all come on when the gauges quit. I have looked around on the internet and have found many failed clusters in th...
2005 GMC Envoy XL SLE 4.2L Drivers side door module VIN: 1GKET16S95
Now the window goes down fine, when going up it goes 2" stops finger off switch and back on another 2". Same from the drivers door switch and passenger switch. The window works fine when operated with the Tech2. I am thinking I may have a bad new module. Also ...
1993 Honda Accord EX 2.2L No Start VIN: 1HGCB7572P
This is my personal car. A couple of days ago I was driving home and the car just stopped running. Got it home and found no spark or fuel pressure. Looking deeper I found the ecu fuse #2 under the dash blown. I replaced the fuse and it fired right up. Wouldn't...
2002 Honda Civic EX 1.7L MIL Lamp on VIN: 2HGES25862
Car came in with crank sensor code and I found corroded terminals on the connector. I couldn't buy a new connector, so I indentified the terminals as Sumitomo HX 040, and I ordered them. I had the connector housing sitting on the bench for days waiting for the... Trouble codes: P0355 (Crank sensor no signal)
2005 Honda Civic Hybrid 1.3L first starting out VIN: JHMES96675
Hi all, A customer of mine brought his vehicle in for a shudder when first taking off from a stop. The shudder is in the drive train when the Eco gauge reads battery usage, around 10 mph and is more pronounced with more aggressive take off. It is there for an ...
2004 Hyundai Elantra GLS 2.0L MIL Lamp on VIN: KMHDN46D24
Has new cam sensor. On Hyundai's website I found out code is for cam/crank corralation. Double checked timing marks on belt and chain to rear cam. Can't seem to find any info on cvvt system. How do i tell if cam actuator is advanced or retarded. The solonoid w... Trouble codes: P0341 (Cam sensor)
2006 Infiniti M35 Sport 3.5L Compressor VIN: JNKAY01E56
This vehicle came in for no a/c, compressor not engaging, checked refrigerant charge, found low, evac and recharged, checked for codes in climate control #25 sunload sensor, replaced sensor, self test now shows OK,with scanner have no command for a/c request, ...
1967 Jeep Jeepster 3.7L Poor Idle Quality, Poor Fuel Economy VIN: 8701016107
Into the way back machine, working on this 1967 jeep jeepster, engine just has a poor idle like a lean misfire, all cyinders on the left of engine contribute to engine proformance all cylinders on right of engine feels like maybe 50% contribution by remove plu...
1999 Jeep Grand Cherokee Laredo 4.0L Hesitation, Cuts out VIN: 1J4G258S2X
Hello all, thanks for your help in advance, we have a 99 jeep Grand Cherokee, straight 6, that has a problem accelerating past 25mph. Feels like the car is starving for gas, it hesitates and buckles but runs fine until you hit about 25 mph. Customer said about...
2001 Jeep Grand Cherokee Limited 4.7L hydraulic fan VIN: 1J4GW58N61
Good afternoon fellow technicians. I am in need of some help with a problematic Jeep. The hydraulic fan is not working and the power steering assist will gradually disappear. We replaced the steering gear for another reason and had the issue with the fan and t...
2007 Kia Spectra SX 2.0L Poor Fuel Economy, MIL Lamp on VIN: KNAFE12197
Thanks in advance for any help. Customer tried to replace his own spark plugs, and broke the front O2 sensor in the process. The car was towed in as a crank-no start. After wiggling the O2 sensor, the car would start. We replaced the sensor and the car started... Trouble codes: P0170 (fuel trim), P2195 (B1S1 biased lean)
2008 Lincoln MKX 3.5L Ignition coils VIN: 2LMDU68C28
Vehicle came into shop because it was driving rough, mechanic found one bad coil. Coil was replaced. After replacing coil vehicle started but still ran rough, then fuse blow (F33)VPWR. After replacing the fuse vehicle started still running rough. vehicle was s...
2003 Mercedes-Benz E55 AMG 5.5L Air Suspension VIN: WDBUF76J93
Test drove car was fine, parked car went to test ride again trans banging into gear, air ride on floor, all kinds of can communication codes, trans fluid leaking into passenger floor.
2005 Mercury Grand Marquis LS 4.6L Stall, Misfire VIN: 2MEFM75W35
this car quit driving in town (SES & wrench light came on) had cam/crank codes + TPS throttle control codes - repaired wiring to cam/crank - replaced t-body - down to 2 pri/sec coil codes above. can watch #1 & #6 injectors being cut off, sometimes together, so... Trouble codes: P0351, P0356
2002 Nissan Altima SE 3.5L Headlamps,wipers,a/c VIN: 1N4BL11E22
Fellow techs. I need some help with this altima. The complaint is intermittent loss of headlamps, wipers, and the a?c clutch will disengage. I have been able to duplicate this once. I do not lose communication to the BCM. I have checked the grounds and have wi...
2002 Nissan Sentra CA 1.8L Hesitation, MIL Lamp on VIN: 3N1CB51D72
Greetings All. I'm having problems with this 2002 nissan sentra with code P0355. I have checked power and ground to the sensor and they are both ok. Very low resistance to ground. Ohmed signal wire to PCM and there very low resistance there. Replaced CKP senso... Trouble codes: P0355
2000 Oldsmobile Intrigue GLS 3.5L Timing Chain VIN: 1G3WX52HXY
Ok this Intrigue came in on a tow truck with a crank no start. The customer had the motor rebuild (allegedly) a few months ago and it came in with the crank shaft turning and the cams not. THIS IS A CHAIN NOT A BELT MOTOR. Does anyone know if this is an interf...
2001 Oldsmobile Silhouette Premiere 3.4L Heater Case VIN: 1GHDX13E11
Customer complant is water on the drivers side floor. So i blew out the drain tube for the heater case. i see no sign of water leaking down the fire wall from the windshield. Has anty one seen this on the olds vans?
2001 Oldsmobile Aurora 3.5L Mode switch VIN: 1G3GR64H41
Thanks for taking the time to help on this, I have this 01 Aurora with the 4t65e transmission. When warm the car will not crank (no starter engagement), if you move the gear shifter to neutral it will crank. We have determined it to be the neutral saftey switc...
2001 Pontiac Grand Am SE 3.4L Security VIN: 1G2NF52E21
Car came in with no start condition. Scan tool will comm with everything but BCM. (body control mudule)Tried pass lock relearn no go. Security light on constantly-not flashing. Replaced Ign switch,no go. Constant codes P1626 (Anti-theft system fuel enable c...
2000 Toyota Tundra SR5 4.7L Brakes VIN: 5TBRT3414Y
Hello everyone, Here we are again trusting in all of the collective knowledge iatn.net has to offer. This customer has a 2000 Toyota Tundra SR5, and the car's brakes don't release. Now, the customer stated that he bled the brakes and that they released, albe...
1999 Volkswagen Jetta GLX 2.8L No Start, MIL Lamp on VIN: 3VWTE29M2X
Replaced first ignition coil pack because two of the six were not firing. a few weeks later, it is back with a crank, no start condition. The computer had coil out put codes in it so we replaced the coil pack again and erased codes. It would spark for a moment...
2002 Volkswagen Jetta GLS 1.8L 1 to 4 gear VIN: 3VWSE69M82
I would appreciate any help with this if there are any volkwagon transmission specialist out there. This vehicle came in shop not shifting at all and noise in transmission. Sold the customer a rebuilt whick I had rebuilt by a local transmission shop that I hav...
2006 Volkswagen Jetta TDI 1.9L rear sealing flange VIN: VWTD1J2006
Replacing a leaking rear seling flange[aka rear main seal on a 2006 jetta tdi pump duece,apparently the only way to perform this operation is with a speacial tool #T10134,does anyone along the front range of Colorado have one of these I can rent to perform thi...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2002 Acura TL Type-S 3.2L VSA System VIN: 19UUA56842
Manual relearn procedures did not take after dozens of attempts. Tried to convice customer that this car needed a honda HDS tool to perform the relearn procedure/software update (if needed). Customer declined.
2001 Audi TT 1.8L Accessories VIN: TRUTX28N71
thanks for all the replies,the fix was a new comfort module,and everything works now,the hardest part was locating it, all data knows nothing about this module,so heres the location so the next guy dont get beat up trying to find it,if you look in the compartm...
1996 Cadillac DeVille 4.6L Misfire VIN: 1G6KD52Y8T
Thanks very much Richard, Tadd, Robert, Michael, and Nathan. All of you were correct. I haven't seen a module die on 1 set. I lived now I learned, and I will remember. I appreciate the explanation as why the ICM could fail. The customer having just a month ... Trouble codes: PC030, PC138.
2007 Chrysler 300 C 5.7L Oil pressure VIN: 2C3KA63H47
Everyone was right main bearings took a shot from the low oil pressure. The customer took it back to the shopthat rebuilt the motor and they put a crank kit in it and no more problem. Thanks for all the responces
1990 Dodge Dakota 3.9L fuel VIN: 1B7GG26X6L
Finally found the problem to be in one of the injectors, didn't have a good spray pattern all the time, replaced them both in the TBI unit, all good now
1991 Dodge Dakota 5.2L Hesitation, Stall, Misfire VIN: 1B7GL23Y4M
well its been 2 months and the hesitation problem has not returned. The only thing we did was run some fuel cleaner through the system gotta love these old ones.
2005 Dodge Durango Limited 5.7L Valve Lifters VIN: 1D4HB58D55
Replaced oil pump and complete valve train. At this point I would consider oil pump the failure item. Yes the maintenace was lacking. But even vehicles with perfect maintenance and half the milage have noisy lifters. I firmly believe the oil pump failure has t...
2001 Ford F-250 Super Duty XL 5.4L Engine Managment VIN: 1FTNF21L41
Great tips everyone ! Thank You! Fuel pressure would remain good and within specs-28 to 45 for hours of driving. Had fuel pressure and exhaust pressure gauges hooked up the whole time only when vehicle parked and still for two hours or more did it finally ac...
2006 Ford E-450 Super Duty 6.0L No Start VIN: 1FDXE45P06
Thanks again to all the replies your help and information is always appreciated.After some needed time off I went back to work on this gem,first i removed turbo and pedistal to take off oil pump cover,then I pressurized oil galley again this time I did hear a ...
2009 Ford Flex SEL 3.5L overheat VIN: 2FMDK52C09
the fix for this vehicle ended up being an ecu,customer just informed me thats what the dealer did to fix overheating problem Trouble codes: P0480 (fan 1 control circuit).
2004 Honda Accord EX 2.4L Blend Doors? VIN: 1HGCM56874
Thank you for the quick replies. The problem was a low charge as most replies stated. The fix was a new condenser, as it had a pin hole in it. Sincerely Mark
2002 Lexus LS430 4.3L power steering VIN: JTHBN30FX2
I just wanted to thank everyone for their help. Many of you hit it right on the dot, the screen in the resevoir was beyond clogged, to the point we did install a new resevoir and the noise was gone. As far as my update, the hard steering went away, an air bubb...
1998 Mazda Protege DX 1.5L Hesitation VIN: JM1BC141XW
Thanks to all who took time to reply. Manny from New Hampshire nailed it. It was the baro sensor. Problem is, that is not what they call it. It's called an egr boost sensor. When I read Manny's post about the baro I looked on my data list and it was only read...
2001 Mazda Protege ES 2.0L Cooling Systems VIN: JM1BJ22541
Customer never retunrned with the car So i was not able to run a second block test on it
2002 Mercedes-Benz S500 5.0L No Start VIN: WDBNG75J32
I appreciate everyones help on this one but I'm sending it on to the dealer. I am swamped with scheduled work and don't have time to spend days on end on this one. It seems that for every hour I spend under the hood of the S class cars I have to study two to...
2003 Mercury Mountaineer 4.6L Oil VIN: 4M2ZU66W53
well no oil cooler so i removed timing cover to inspect plugs but no problem found.we decided to replace engine to solve the problem.thanks to all that replied your sugestions are appreciated.
2002 Nissan Frontier SVE 3.3L Poor Fuel Economy VIN: 1N6MD29Y72
I'm going to call this fixed because the main thing we were after was what should the supercharger output be. There was a TSB about going into fail-safe mode if it detected pinging and then reset when recycled key. This was not in the fail-safe mode. The TSB p... Trouble codes: P0328 (Knock sensor).
1999 Plymouth Prowler 3.5L Steering VIN: 1P3EW65G0X
IATN Rocks. Everybody was right on the money with unhooking the tie rod ends and then trying to turn the wheels on the turntables of the front end machine. The right lower ball joint was bad. We re-installed the customerís original rack and replaced both lower...
2001 Pontiac Grand Prix GT 3.8L no inj pulse VIN: 1G2WP52K71
Techanically I never found the bad connection, but instead I found both wires under the fusebox, (The relay output and the fuse input)I installed a jumper between the two and the car has been runnig fine so far. Sometimes I make life hard for myself, but it re...
1999 Porsche 911 Carrera 3.4L MIL Lamp on VIN: WP0AA2992X
I'm going to call this one fixed, finally. Thanks for all the help, and special thanks to Ron [...] for taking the time to answer some of my questions. It's tough when you have multiple problems. The big issue that was causing the SAI faults, was a c... Trouble codes: P0410 (Secondary air system bank 2), P1411 (Secondary air system bank 1), P1128 (Oxygen sensing adaptation idle range bank 1), P1130 (Oxygen sensing adaptation idle range bank 2), P1123 (Oxygen sensing adaptation upper load range bank 2), P1125 (Oxygen sensing adaptation upper load range bank 1).
2001 Subaru Outback L.L. Bean 3.0L Engine VIN: 4S3BH80631
I hate it when I can't post a firm conclusion to a problem but... First - thanks for the replies - most felt that the specs for the Crankshaft Sensor in the Subaru diagnostic tree were a typo and that my resistance readings of the sensor were close enough to ...
2009 Suzuki SX4 2.0L MIL Lamp on VIN: JS2YA41129
Thanks to both Richards and Angle for the help on this one. I was just smoke testing this unit but after reading the replies I pressure tested the system and found the new part to be defective. The dealership warrantied the part and the customer has had the ve... Trouble codes: P0456.
1995 Volkswagen EuroVan Camper 2.5L Hesitation, Cuts out, Stall VIN: 1VWAE0704S
Thanks to all who have replied. The problem is so intermittent with no consistency whatsoever... The customer has chosen to take the vehicle and keep an eye on this problem. I have had this vehicle for over a week with no progress other than chasing leads w... Trouble codes: 00560 (EGR signal short to ground short to power).
2003 Volkswagen Passat GLX 2.8L Misfire, MIL Lamp on VIN: WVWRH63B13
Thank you all for the input! Cold reboot ended up being the fix. Very happy to have this one out of our hair. This was a first for me to have false misfire codes. Glad we didn't have to tear this one back apart. Trouble codes: P0300, P0301, P0302, P0303.
2007 Volkswagen Jetta Wolfsburg Edition 2.5L Trans VIN: 3VWEF71K27
It was a speed sensor.Thanks to all who replied. Adam
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