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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for June 26, 2012
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2004 Audi Allroad Quattro 2.7L Electronic VIN: WA1YD64B04
Mileage 173,782 Audi Dealer - Requested the owner remove it from their shop - not wanting to make repairs. Towed 80 miles to me - because I was willing and had the heart to take the job on - Ran into more than a simple bargain. Thanks to the membership who ...
2004 Audi S4 Avant 4.2L driver door window VIN: WAUPL68E64
Drivers door window was making a ratcheting sound as it was raised and would stop mid travel and reverse to the bottom of travel. Replaced window regulator and cleaned window channels to be sure there was no obstructions. Installed window glass in channel and ...
2006 Buick Rendezvous CXL 3.5L instrument cluster, fuel gauge, tach, coolant temp VIN: 3G5DA03L16
Customer brought this one in with a no start complaint, found starting fine, but found security light on after start up, then on test drive Trac off light came on, then fuel gauge, tach, and coolant temp gauges dropped off! a couple of seconds later gauges sta...
1997 Cadillac DeVille 4.6L rack VIN: 1G6KD54YXV
I have a 97 Deville that has steering issues, came in with jerky steering in both direstions and sometimes no assist at all, installed an Advance steering pump and only had power steering to the right, no assist at all to the left, with vehicle suspended it wi...
1990 Chevrolet Cavalier Z24 3.1L No Start
hello all, this one kinda given me a fit, well car towed in for start and cut right off, checked had all signals required to start as it was doing the would loose signal to injectors reason cutting off stalling,,,checked to find injectors bad 4 out of 6 well b...
1996 Chevrolet Blazer 4.3L Pedal VIN: 1GNDT13W1T
Hello all. This blazer is driving me up the wall. Customer came in with no pedal what so ever and a red brake light. Found nothing really coming out of master cylinder. Replaced master and then experienced fading pedal to the floor and red brake light still on...
1996 Chevrolet Impala SS 5.7L odometer VIN: 1G1BL52P3T
Does this odometer have an EE Prom or is it incorporated in the PCM? GM Global only goes back to 1998 so I'm counting on one of you fellow iATN mechanics to have a bit of experience with this concern! Thanks Fellas! BAX
1999 Chevrolet K1500 LS 5.7L No Start VIN: 1GNFK16R9X
This truck is new the owner and no history is known. It came in as no start with major grinding going on when trying to start. (stater/flywheel concern) We found 1 starter bolt broken ,flywheel was bent and had missing teeth. We installed flywheel,(flex plate ...
2003 Chevrolet Impala 3.4L compressor VIN: 2G1WF52EX3
there is no power to the compressor at all.also the scanner shows,no a/c command,when the a/c button is push in the dash, the button light up, but a/c does not engage,I checked the pressure switch there is 5 volts, also noticed that fans are not coming on,if I...
2003 Chevrolet Express 3500 6.0L MIL Lamp on VIN: 1GBHG31U93
This high mileage van has a P0300 and shows consistent misfires on cylinders 5 and 8 when accelerating down the road or in neutral, though no misfire is felt or actually occuring. We cannot complete a crankshaft variation relearn procedure, which is our main c... Trouble codes: P0300
2003 Chevrolet Tahoe LS 4.8L Poor Idle Quality VIN: 1GNEC13VX3
this tahoe has a rough idle gone through multiple tests and repairs with no change in idle quality pullin out hair i dont have please help!!!
2003 Chevrolet Silverado 1500 4.8L Misfire VIN: 2GCEC19V63
I hope you guys can steer me in the right direction because I think I've hit a brick wall.This truck has missfires when cold(or after it has sat for 1/2 hour).Only missfires on the right hand cylinders(bank#2).Cylinder #6 is by far the worst.The missfire goes ... Trouble codes: P0300
2003 Chevrolet Impala LS 3.8L high idle VIN: 2G1WH52K43
car came in with high idle. has had intake gaskets,plenimue gaskets, mass,iac,and tps installed. noticed had 2 volts on tps, unpluged and still had 2 volts. removed iac and closed of ports and has min idle speed less then 400 rpm.
2004 Chevrolet Silverado 2500 HD 6.6L MIL Lamp on VIN: 1GCHK29284
hoping for some insight , Trouble codes: P0016
2005 Chevrolet Equinox LS 3.4L Misfire, Poor Fuel Economy, MIL Lamp on VIN: 2CNDL13F95
Car came in last Friday night, customer comkplaint is the vehicle has VERY POOR fuel economy. MIL is Illuminated. Retrieved DTC;s; P0300- Random Multiple Misfire Detected. Used SOLUS-PRO Scanner to read live misfire data. Cylinder #5 is misfiring steadily.(eng... Trouble codes: P0300 (Random Multiple Misfire Detected)
2005 Chevrolet Impala 3.8L Stall VIN: 2G1WF55K55
Vehicle came from another shop, has had everything under the sun replaced with new Delco (MAF,MAP,IAC,Ignition module, and Crankshaft position sensor. Vehicle will stall intermitently at idle, (in or out of drive) after running for 10 minutes or so. No codes a...
2006 Chevrolet Tahoe LS 4.8L all VIN: 1GNEC13V26
hello to all iatn members, I have this 2006 tahoe thats been at my shop over a month. the original issue customer came in complaining of was a binding/push feeling in the front end. found slight play in the tie rods and lower ball joints, customer requested al...
2007 Chevrolet Silverado 2500 HD WT 6.0L Hesitation, MIL Lamp on, Reduced power VIN: 1GCHK24K27
Recurring code P0641 (5 volt ref circuit 1).Have seen the voltage drop out for a split second,down to .75volts. Have not been able to duplicate in the shop.tried wiggle tests of the sensors on that circuit.Inspected wiring best as possible without ripping into... Trouble codes: P0641 (5 Volt Reference circuit)
2006 Chrysler PT Cruiser Limited 2.4L MIL Lamp on, Trans in fail safe VIN: 3A8FY68836
Vehicle was originally brought in for a check engine light. When the vehicle arrived the check engine light was illuminated. Customer was complaining that the vehicle had no power. Once the vehicle was turned off and then restarted the car may have operated co... Trouble codes: P0700 (Transmission Control System), P0218 (Transmission High Operation Temperature Operation Activated), P0882 (TCM Power Input Low)
1997 Dodge Stratus 2.4L Tcm VIN: 1B3EJ46XXV
Well got this car in today and it has no speedo and the range indicator is inop. Tryed to scan for codes but all i get is no communication. have tried the normal things like disconnecting the range sensor,verify ccd bus shorts and opens. i have discon speed se...
2005 Dodge Ram 2500 Laramie 5.9L Poor Idle Quality VIN: 3D7KS28C95
Truck surges at idle, and ONLY at idle. Once above idle all is smooth. Fuel Rail Set Pressure (Commanded high pressure fuel) surges up and down almost 1000psi (about 7000 psi +/- 500 psi) at idle only. Tried a known good FCA (CP3/high pressure regulator) and...
2006 Dodge Grand Caravan SXT 3.8L lifter? piston? VIN: 2D8GP44L16
Customer took about a 100 mile trip and engine started knocking. They check the oil and it did not register on the dip stick. They then added oil, came home and then came in to see me. It sounded more like a lifter or piston slap than a rod bearing. They cha...
1988 Ford Bronco Custom 5.0L starter VIN: 1FMEU15N3J
this week show's up with broken starter mounts customer stated he's installed 3 starters already and they keep breaking off what is causing this? Thanks Scott VERY LITTLE MAINTINANCE ON TRUCK VERY TIGHT CUSTOMER FYI
2000 Ford F-150 Lariat 4.6L No Start, Stall VIN: 2FTRX18W1Y
Try to start vehicle, has normal cranking noticed theft light blinking rapidly and odometer reads ---. No comm with pcm, will comm with all other mods. Originally had codes U1147 and U1262 stored in pats/hec mod. Have since cleared codes with only U1262 return... Trouble codes: U1262
2002 Ford Ranger XL 2.3L Excessive Emissions, Hesitation, MIL Lamp on VIN: 1FTYR10D62
Vehical has no power and smells like raw fuel. The fuel trims are very high. Trouble codes: P1537, P0171 (System lean)
2003 Ford Taurus LX 3.0L battery VIN: 1FAFP552X3
Vehicle came in for dead battery tested and replaced, perform alternator test- failed- no charging replaced. Customer returned day later with dead battery- discovered ignition off draw on fuse 16, B+ to the Gem module. Once this connector is disconnected draw ...
2005 GMC Envoy SLE 4.2L Brake pedal VIN: 1GKDT13S45
Replaced front and rear brake rotors and pads. After they were replaced brake pedal go to the floor when engine is running. Tried bleeding the system several times and tried doing the automated bleed with tech II scan tool and nothing. Has anyone ever seen thi...
1995 Honda Accord LX 2.2L a/c VIN: 1HGCE182XS
This Accord came in for A/C not cooling and low on freon. Checked for leaks and found evaporator covered in oil, replaced with aftermarket evaporator, O.E. expansion valve, and put in O.E. drier. Airflow from vents was dramatically improved and the pressures l...
2004 Hummer H2 6.0L no cool air VIN: 5GRGN23U14
This vehicle is a stretched limousine and came in with no r134a in it. There are no coach builder stickers on it and the coach a/c is operated by the same compressor as the front a/c unit. I need to know how much refrigerant to install in this unit to check fo...
2004 Hyundai Sonata GLS 2.7L A/C Leak VIN: KMHWF35H54
After Multiple Evacuations and Recharging over the Last Month Im at my Wits end with this one. System has been Serviced with Tons of Dye to Locate a Leak that Goes down over the coarse of a week. Customer just recently Informed us that he noticed a mist or vap...
2002 Land Rover Freelander S 2.5L brakes? VIN: SALNM22262
what the vehicle does now is: when backing up, makes weird buzzing/growl noise. if accelerated,and let off pedal, will do it.. found if place foot lightly on brake, can feel pedal juddering, as if ABS is kicking in- even though am not pushing on pedal. if remo...
2003 Lincoln LS 3.0L bangs into reverse VIN: 1LNHM86S63
car came in for banging into reverse. scanded no codes all other gears ok drove fine. sent it to trans shop had trans redone problem still there .has anybody run across this problem please help thank you
1994 Mercedes-Benz C220 2.2L Poor Idle Quality VIN: WDB2020206
This is a C200 fitted with [...] engine. Engine control is PMS Motronic .The car came in with low idling (550-600rpm with air-con on and in "D"). Due to the low idling engine sometimes wanted to stall and was shaky. Otherwise it was running perfectly.... Trouble codes: 021 (Idle speed control in limp home-mode)
2001 Mercedes-Benz E320 3.2L Dlc VIN: WDBJF65J61
Customer bought car from out of state dealer. Obviously in an accident of some sort. My mission was to make it road worthy. Only warning light SRS. Could not get any more sophisticated snap-on scan equipment (used successfully on other MBs) to connect prope...
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
2008 Mercury Milan Premier 2.3L Evaporator VIN: 3MEHM08Z18
2008 MILAN HERE THAT FREEZES UP THE EVAPORATOR AFTER ABOUT 1-TO-1 1/2 HR. DRIVING TIME. GAUGES SHOW THE LOW SIDE @ 17-22 PSI. HIGH SIDE 200-250 PSI. @ IDLE TO 1500 RPM's Scan tool shows evap temp @ 35-33 degrees & the compressor kicks out @ 33 degrees. I chang...
1995 Mitsubishi Montero SR 3.5L Starting VIN: JA4MR51M2S
customer replaced battery and wired backwards. no start. we installed a new battery and replaced the 100 amp alternator fuse that was blown next to the battery. vehicle will still turn over but not start. appears to not be getting spark/fire.
1987 Nissan D21 SE 3.0L Compressor VIN: JN6HD16Y2H
I have a customer with a 1987 Nissan D21 4x4 pickup that has an intermittent problem with the compressor clutch working. Identifix Direct Hit suggested to check the ac relay and clutch itself. I can probe the wires to the pressure switch on the compressor with...
2005 Nissan Altima SE-R 3.5L Timing Chains VIN: 1N4BL11D75
Car came in with a very loud noise from timing chain area, tear down revealed the main shoe on the primary tensioner had broken on the top and slid down, causing the tensioner to fully extend and not rest on its perch. all chains and guides were replaced as wa...
2007 Nissan Altima S 2.5L A/C Compressor VIN: 1N4AL21E37
Need some advise here, we have replaced this clutch 2 times keeps burning each time. Voltage to it 12v+ has anyone gone thrue this before i called the parts dept at nissan and he said to bring it for hes tech to check it and if nothing wrong with the electrica...
1998 Plymouth Grand Voyager Expresso 3.3L starts & dies out VIN: 1P4GP44G2W
Engine starts & emidiatly shuts down 2-3 times & then goes into a no crank condition,,, however it may sit a hour or 2 then come back it starts & runs fine ??? no scan codes present for amy systems. need some advise please
1997 Pontiac Bonneville SE 3.8L Poor Idle Quality VIN: 1G2HX52K9V
this vehicle starts up fine,idles at about 1200 and starts to rise to about 2500 rpm. i can drive the iac down and un plug it. it will idle at 1000. the tps % is at 9 to 10 the 5 volt refrence is at 5.14to5.40 i have change tps,computer,checked wiring to compu...
1995 Subaru Legacy L 2.2L Surge, Cuts out, Stall VIN: 4S3BK6354S
This car is driving me nuts. The vehicle has 2 main problems. 1st problem is the vehicle stalls sometimes coming to a stop sign/light from about 30 mph. This vehicle is a 5 spd, so coming up to a stop light I press in the clutch pedal, throw the trans in neut...
2005 Toyota 4Runner Sport 4.7L Evaporator VIN: JTEBT14R45
a/c works fine but there is a breathing noise inside car when the blower is on low. it happens everytime the compressor kicks on. kind of like fluid rushing in to car. probably does it on other speeds but it is so faint you can't hear it. thanks for any ideas
2001 Volkswagen Jetta TDI 1.9L No Start, Poor Idle Quality VIN: 3VWSP69M91
Removed and cleaned carbon from intake and valves. Runs good after starting has been achieved.2001 jetta tdi long crank cycle glow plug light comes on for 1 sec. And turns off. Engine cranks tell oil light comes on before engine ever tries to run. Have disconn... Trouble codes: P1248 (Manufactors air fuel controlled spec.)
2001 Volkswagen Beetle GLS 2.0L fuses VIN: 3VWCB21C91
The car came in from another shop,cranks no start,I tried to pull codes say check power and grounds. the next thing I checked for is power at the fuses on the left side of the dashand noticed that #28,#32,#34,#43 fuses have no power with key on. Going by the d...
2002 Volkswagen EuroVan GLS 2.8L ABS and Traction light VIN: WV2KB470X2
Customer complaint of ABS and traction light come on and off for 2 weeks, as well as a hissing noise from under dash area that goes away when brakes are applied, which was diagnosed as a bad booster. Pulled codes on vehicle and had a code in brake electronics ...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1997 BMW 740iL 4.4L No Start, Hesitation, Stall, MIL Lamp on, Vehicle has no accel VIN: WBAGJ8326V
well we feel like idiots. our mechanic who installed the rear main installed the flywheel just right that the guide pin pushed injust right that it was completely flush with the crank hole and the edge of the crank face. so there was no way of knowing where t... Trouble codes: P0340.
2000 BMW 323Ci 2.5L Ft Bearing VIN: WBABM334XY
Thank you all for the replies, pretty much all of you were correct as this was a hub assy. Very straight forward, remove wheel, caliper, rotor, spindle nut and remove hub assy, use slide hammer if stuck. Alldata has something to be desired when it comes to the...
2003 BMW 745Li 4.4L Charging VIN: WBAGN63423
I ended up bringing the car to a shop that had an autologic scan tool and we updated all modules, cleared 48 trouble codes (haha) and registered the new battery. all this still leftme with the charging problem. i ended up tossing an alternator in it and all ...
2007 BMW 335i 3.0L all shifts VIN: WBAWL73517
Everyone who replied was in agreement that if fluid is clean and the level is correct, the electrical sleeve is dry, software updates are in place, and adaptations have been reset, then the transmission and torque converter need to be replaced. Jay from Ca...
2005 Cadillac DeVille DHS 4.6L Charging VIN: 1G6KE57Y05
i had no communicaton to all the module i removed each module indivisually to check communication down the data line found wiring at cluster and and wiring under seat for module has water clean and repair ok thank for all your help thank you guys
2004 Chevrolet Classic 2.2L Excessive Emissions, Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1G1ND52FX4
okay, this one is fixed. Bent valves was the problem. I have to say that this is the first time that I had ever seen a leak down test let me down.(8% with good compression) Bill from Georgia got me thinking...vaccum test was a bit inconsistent, but not what yo... Trouble codes: P0107, P0108, P0300, 03014.
2008 Chevrolet C5500 Kodiak C5V042 6.6L engine
Thanks you to all who helped me narrow this one down. It turned out to be the fuel pump leaking in past the seal behind the drive gear. Swapped pump out, been running two weeks now and no oil growth. Just got another one in here for the same problem, looks ...
2004 Chrysler Pacifica 3.5L power seats and pedal controls VIN: 2C8GF68494
After receiving information on this complaint appears most likely cause is a faulty control module. Research on this through several forums indicates the same results. At this time customer does not want to pursuit repair. Thanks for responses received.
2005 Chrysler Town & Country LX 3.8L Missing VIN: ZCBGP54L85
Thanks for all the replys I pulled the heads dident see any issues with the valves or guides. Turns out the camshaft is coming apart. Lots of pitting on lobes and rollers of lifters. I advised on engine replacement so thats the next step. Another one for the b...
1998 Dodge Ram 1500 Laramie 5.9L wipers
Thanks for all your help. Checked all ground at fender, steering column and so forth. All checked well. Went back to the CTM. What was odd was that the input voltage checked between .5v to 1.0v. Then would intermittenly go to zero. This was driving me cr...
2005 Dodge Durango Limited 5.7L Cooling VIN: 1D4HB58D15
This fix was a fluke I disconnected the high pressure switch (to look for corrosion) and reconnected it and the condensor fan started working properly! Thanks to all who replied and Thank you to Larry Goudge for his sage advise.
2006 Dodge Stratus SXT 2.4L compressor/H-block VIN: 1B3EL46X36
The Stratus is now cooling to 41 degres consistantly with pressure around 30 low and 210 high. Thank you for all the responses. One area I was not so clear on was that freezing at the evap was not an option as this thing would pull low side to nothing in les...
2000 Ford Ranger XLT 3.0L Fuse 26 central junction block VIN: 1FTZR15U6Y
Thanks for all the great responses from everyone. I got a used GEM and tried it and the 200ma draw went away after the GEM went to sleep. It wasn't with the old one so I am pretty sure it is fixed. Still starting after 10 days. Keeping my fingers crossed. Than...
2000 Ford Mustang GT 4.6L No Start VIN: 1FAFP42X8Y
fuel pump module was the fix and the only place to get it is the dealer and it still took a day to get. this was my first run in with a pulse modulated fuel pump,very educational. i have to say without my labscope i would have still been second guessing myself...
2003 Ford Crown Victoria LX 4.6L power assist VIN: 2FAHP74W43
A new vaps/air suspension module has fixed this one. This was a giant pain in the butt...
2003 Ford Focus SE 2.3L MIL Lamp on VIN: 1FAFP34Z53
2007 Ford F-250 Super Duty XLT 6.0L Poor Fuel Economy, MIL Lamp on, no power VIN: 1FTSW21P77
Thank you for all who replyed... Found the head gasket pushing boost pressure into the cooling system.. The old man is going to drive it till she blows and get ridd of it, for as its too much money to spend to fix. thanks to all who replyed...
2007 Ford Focus SES 2.0L No Start, Cuts out, Stall, MIL Lamp on VIN: 1FAFP31N97
After the last post i hooked lab scope to monitor fuel pump activity and had no more problems with car..Customer didn't want to leave it over the long weekend so picked it up and was going to return but she hasn't had any problems ...Didn't post sooner waiting... Trouble codes: P0191, P1233.
2000 Honda CR-V EX 2.0L Drive-axles VIN: JHLRD1864Y
Thanks for all the help. The customer interupted this job. So i just got it back today and replaced the left shaft ond all is well. I was in the right spot just the wrong side. Thanks you guys are awsome
2002 Honda Civic EX 1.7L cruise control VIN: 2HGES26762
After the customer opting out for the new module, I found one used module and replaced it and the problem solved. I felt like it was an electronic part issue and some of the replies were correct. Thanks to all who took time to reply. Customer was happy to have...
2007 Honda Civic Hybrid 1.3L Hydraulic VIN: JHMFA36207
Well this one is a FIX, First I would like to thank all who read and replied to our call for help. As I mentionded in my request every intervention was done according to procedure in Mitchell. We again tried to reprogram the pedal stroke sensor,measured brake ...
2002 Hyundai Elantra GLS 2.0L Excessive Emissions, Poor Fuel Economy VIN: KMHDN45D12
this car is fixed with a new computer from the dealer. apparently the one we tried may have been different. the customer was willing to pay for it brand new so we went ahead . thanks to all who took the time out. Trouble codes: P0420.
1995 Jaguar XJ6 4.0L Headlights VIN: SAJHX1746S
The consensus is that this is not a programmable feature on this year and model. Since DRL is a function of the Body Processor Module, it was recommended that I find one from a Canadian car and substitute it. Instead, I realized that all I needed to do was ins...
2003 Jaguar X-Type 3.0L alternator VIN: SAJEA51C33
It was the alternator. I used factory Jag alternator. $712.00 Aftermarkets were 3-4 hundred cheaper but read on the archieves the regulators just won't work and too much labor to change it. Read in archieves about regulator wires under air box, pulled air filt...
2002 Mazda MPV LX 3.0L shft solinoid A VIN: JM3CW28J52
I've replaced shift solenoid A. It had low resistance 3.3 ohms.The new solenoid has 17.4 ohms. Still the transmission is the same. I'm told the problem may be the reverse 3rd gear drum. Too busy to get after this as it is my vehicle for sale,all I can be thank...
2005 Mazda RX-8 1.3L No Start, Hesitation, Misfire VIN: JM1FE17N75
sorry for take so long but the costumer get me a use engine so the day the we got it running was fine but nex day ran bad and when hot was hard the start so i check compression;& was low so they when and got me other use engine ( people dont lern) this one was... Trouble codes: P0300, P0301, P0171, P0174.
1964 Mercedes-Benz 190DC 2.0L No power from idle VIN: 1101101213
2001 Pontiac Grand Am GT 3.4L Power Steering VIN: 1G2NV12E41
Jay from Utah was right on, I replaced the aftermarket pump with a new Delco unit and the problem was solved. I appreciate all the help and suggestions.
2010 Toyota Prius 1.8L No Start VIN: JTDKN3DU9A
Well I replace the tcm for a second time with fully charged battery and was able to program smart key. What I learned was that if you have a smart key module failure and do not have a programed smart key you will have to replace the tcm as well as smart key mo...
2001 Volkswagen Golf GLS 1.9L temp sender VIN: 9BWGP61J11
Well it sounds like there is going to be a bad connection at the dash panel, or a bad guage in the panel. The customer has not come back to let me fix it. The other sugestions said maby coolant has shorted the wires in the harness. That also sounds like a goo...
2006 Volkswagen Jetta TDI 1.9L No Start, Stall VIN: 3VWDT71K66
After the update, on some of your suggestions I removed the forward exhaust pipe with the cat converter in it. Still no start unless I removed the EGR tube. I removed the EGR valve, and the pintle was stuck open about halfway, and had a large amount of carbon ...
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