Join Now
International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for January 29, 2013
International Automotive Technicians' Network (iATN) - Members Only
(Also Available: All, Asian, Chrysler, European, Ford, GM.)
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Open Help Requests for All Makes and Models
Help Request Answers
2003 BMW 745Li 4.4L MIL Lamp on VIN: WBAGN634X3
This car came to us with a bad Chassis ground from engine to frame and the Alternator not charging and the ground was loose and sparking. We repaired the ground wire and replaced the alternator, the alternator intermittently wasn't charging. The vehicle left a... Trouble codes: A158 (Battery disconnection closed circuit current Power Module), 2865 (DME Variable valve gear power limitation in limp home mode), 285F
1997 Cadillac Eldorado ETC 4.6L MIL Lamp on VIN: 1G6ET1299V
Replaced purge valve and tested vehicle for leaks .Vehicle has passed smog with all monitors done ,light will stay off between 70 to 120 miles then comes back on. Trouble codes: P441
2003 Cadillac CTS 3.2L no drive VIN: 1G6DM57N83
Hello all, I am not an internal transmission tech, and when this CTS came to me with a slipping transmission problem, it had no communication with the TCM, and on the engine side it had a P0700, trans control fault code. I reccomended the customer replace the ...
1994 Chevrolet C1500 Cheyenne 4.3L Poor Idle Quality, Stall VIN: 1GCDC14Z5R
OK hot rodders, this one's for you. I've got a '94 Chevy C-1500 that I have swapped a small block 400 into. The engine ran great with a big block throttle body and actually got decent fuel mileage. Recently I have swapped a TPI unit in from an IROC Camaro. I c...
2004 Chevrolet Silverado 1500 LS 5.3L MIL Lamp on VIN: 2GCEK13T94
Bought the truck a couple of weeks ago. They completed the service and detail. Washed the motor. When i picked up the truck it set a code for bank 2 knock sensor. Took the truck back to dealership. They replace both knock sensors and harness. Picked the truck ... Trouble codes: P0327
2007 Chevrolet Silverado 1500 LT 4.8L Ignition VIN: 1GCEK19CX7
The vehicle cranks imediately when turning the ignition to the run position and continues to crank until turned off.
2007 Chevrolet Trailblazer LT 4.2L Instrument lamps VIN: 1GNDT13SX7
We have this Trail Blazer. No isntrument lamps. The dimmer works for the odometer. From what I can see on the wiring diagram the BCM sends the voltage through the brown and white wire there is no voltage at the cluster or the A/C control head. The customer tel...
2007 Chevrolet Silverado 1500 LTZ 5.3L Gauges, Tach., Radio, Starting VIN: 2GCEC13J17
Vehicle came in for loss of gauges and radio intermittently. When this condition occurs I can not communicate with the following modules: IPC, Keyless Entry, Passenger Presence System, Theft deterrent, & TPMS. Also there are the following warning lights illumi...
2009 Chevrolet Cobalt LT 2.2L Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1G1AT58HX9
Hi, This is the wifes car,it will act up in the shop under a light brake tq.1200rpm. It will jerk and misfire and sometimes die out, starts right up, It only starts to act up after it is warm 165deg and up. It will miss and if you throttle hard it will backfir... Trouble codes: P0106, P0138
2011 Chevrolet HHR LT 2.4L Steering VIN: 3GNBACFU7B
good morning this car will pull to the left only if you hit a bump and it dose not have to be a big one if you drive on a flat road the car will go stright for a long time the car has new tires i swaped right to left did not change
2005 Dodge Sprinter 3500 2.7L No Rail Pressure VIN: WD0PD54475
Hi Guys, Inherited this Sprinter after another technician replaced the head gasket for a coolant system problem. The vehicle will crank but not start, eventually throwing only a P2051 - Fuel Pressure Malfunction code. The truck is not building fuel rail pres...
2008 Dodge Grand Caravan SXT 3.8L head control VIN: 1D8HN54P58
The a/c blows nice and strong after awhile it will cut off and come back on. Checked the fuses and relays and everything checks out fine, need some guideance to solve this problem.
1999 Ford F-150 Lariat 4.6L heater VIN: 1FTRX18W8X
we have a truck that had a heater core leaking. we replaced the core, after repairs we now have a girgling noise in dash. we can listen to heater hoses and it appears to be the water passing through core. the noise was not there before the cores replacement. t...
2000 Ford Expedition XLT 5.4L MIL Lamp on VIN: 1FMPU16L8Y
Truck had bad misfire and lean codes. Smoke test cold showed intake seals,iac,egr leak.replaced with oe. Maf was dirty. Replaced it with reman. Oxygen sensors were oe and very sluggish. Replaced with oe. Cleaned injectors twice with motorvac. Intake looked ok ... Trouble codes: P0171 (Bank 1 too lean), P0174
2001 Ford Focus LX 2.0L No Start VIN: 1FAFP33P81
I have this car this is bugging me really bad. Got the car and the customer said that for the past month or so the 15 amp fuel pummp fuse would blow but then they would replace it and the car would start again untill the fues would blow. finally the car just w...
2003 Ford E-450 Super Duty Custom 6.8L engine VIN: 1FDXE45S13
Hi and thanks in advance.This is my first help request.This bus will not accellerate.O2 readings at .800-.900 at idle and drop to .100 when accellerator is applied and enginer sounds like it is running out of gas and quits.With MAF unplugged it will accellerat...
2003 Ford Mustang SVT Cobra 4.6L Engine makes knocking noise VIN: 1FAFP49YX3
Engine makes knocking noise like a lifter When is cold transmission fluid did not help but we replaced all lifters any ways no help we removed valve covers and run engine with out them and we did not see or hear the noise on valve train, I'm ready to remove en...
2005 Ford Freestyle SE 3.0L differential oil pump VIN: 1FMDK04125
Thanks in advance for any help.Freestyle came in with traction light on. Scanned for codes found P1889(oil pressure on active diff).Ford diagnostics are really poor.It tells you do do TSB for pressure/Temp sensor first,if that doesn't work replace the oil pump...
2006 Ford F-150 XLT 5.4L No Start VIN: 1FTPX14VX6
This truck came in no start,found no fuel pressure,pump not running,replaced pump with new ford unit along with new filter.Truck started right up,realesed to customer,good for week and a half towed back in,same problem.R&R pump again,pump growling,no pressure,...
2005 GMC Canyon Z71 SL 2.8L Timing chain VIN: 1GTDT19865
Good afternoon. I'm working on this GMC Canyon 2.8l 4*4. The engine needs a timing chain. I started disassembling it. I removed the air intake, cam cover and varous other parts. I am now on the timing cover and can't seem to get it loose. I am using AllData fo...
2006 GMC Envoy Denali 5.3L speedometer VIN: 1GKET63M46
The speedometer doesn't work 95% of the time. Also the odometer won't move either. Every once in a while the needle will bounce on up and then fall while driving. Actually caught it bounce to 10 and fall back to 0 mph while sitting. Vehicle speed input is good...
2008 GMC Yukon Denali 6.2L rear air ride VIN: 1GKFK63818
service suspension light on dash codes c0590 and c0585 right and left rear actuator circuit I removed connectors at both rear shocks and they were corroded cleaned reinstalled data on scanner looks good i replaced the air pump because it would build pressure b...
2005 Honda Pilot EX 3.5L Vtm VIN: 5FNYF18545
This Pilot has 2 VTM codes set. 44 VTM power relay, and 77 PCM malfunction. Also a P0325 (knock sensor) PCM code. Mitchell diagnostics does not provide much helpful info. It does say though, that if PCM codes are set, deal with those before VTM codes. We have...
1996 Jaguar Vanden Plas 4.0L Brake System VIN: SAJKX624XT
Hi ,guys. This car came from used car dealer, they changed the brake master two times , we checked the brake , goes all the way to floor. And no brake what so ever. We bleed the system which took long time , now we have brake on low speed (10~20 miles)in high...
2004 Jaguar X-Type 2.5L No Start VIN: SAJEA52D24
Long time customer towed in this Jag. Car is clean and has had all service performed as needed. Customer drove the car and had no problems, they parked it Sunday night went to start it Monday and cranks but no start. Towed in car cranks but not start. No spark...
2005 Jaguar XJ8 4.2L No Start, Stall, Misfire VIN: SAJWA79C15
Hello, I have this Jag XJ8 4.2 (non-SC). It will start and run fine but will suddenly start missing and then will stall. It will start back up and run for a few minutes or few seconds and do the same thing again. It initially start misfiring and the restricted...
2007 Jeep Compass 2.4L Starter VIN: 1J8FF47W57
Battery and starter replaced 12/5 after being towed in for a no start, 1/28 car towed in again for no start, found starter burnt out again, burnt like you could smell it same as last time, interview with customer revealed car started cranking by itself, theref...
1988 Lincoln Mark VII LSC 5.0L Brake Booster VIN: 1LNBM93E5J
Hi, guys. I have this car with very hard brake pedal, finding parts is very hard and very expesive!! for this car. Is that posible to turn this hydraulic booster to vacume booter brake? system , is any body don than before? thank in advance for input matt
1998 Mazda MPV ES 3.0L Hesitation, Cuts out VIN: JM3LV5232W
Hello there I have this MPV here and when you acellerate it will not go. It looses power and will throw a random misfire code. I replaced the mass airflow sensor, cap and rotor tested the TP sensor and fuel pressure is 48-58 psi. when you try to rev up the eng... Trouble codes: P0300
1974 Mercedes-Benz 450SL 4.5L water pump VIN: 1070441202
this is old school 1974 mb SL450 i'm replacing the water pump and one bolt is blocked by the distributor body. is there a special procedure or tool to remove distributor. i can't get a repair manual for it. anyone has any info for this. thanks a million in adv...
2003 Mercedes-Benz S500 5.0L Charging
We have a S500 in the shop. Has been here twice. The battery drains when it wants to. Sometimes over night sometimes 3 days later. Pulling fuses does nothing. There is a TSB to replace the battery control module.. same problem! Replaced battery and aux battery...
2004 Mercedes-Benz C230 Kompressor 1.8L battery lamp on VIN: WDBRF40J14
I have a battery lamp that keeps comming on and sets codes 2061-2 and 2062-2. The alternator is showing 14.6v at idle and ive tried moving the harness at the altenator to see if batery light changes and it does not. The 2062-2 keeps setting and says to be alt ...
2001 Mercury Mountaineer 5.0L No Heat VIN: 4M2ZU86P21
Hello Everyone. I have been working with this Mercury for a few days now. I have no heat in the cabin. The engine itself doesnt seem like its getting up to temp. I have only about 185 F on the upper radiator hose and about 100F on the lower. I have replaced th...
2003 Mitsubishi Eclipse GT 3.0L Excessive Emissions, Poor Idle Quality, Surge VIN: 4A3AC84H43
I will try to keep this short, and thank you before hand for taking the time to read my post. I have this 03 Mits, 3.0 power, stick in the shop. It was brought from another shop at their request to repair the engine light and get thru inspection (overdue). Cus... Trouble codes: 172 (rich bank 1), 175 (rich bank 2)
1992 Nissan Pathfinder SE 3.0L drivability VIN: JN8HD17Y7N
vehicle was towed into shop with a no start condition. after finding it had fuel and spark i removed spark plugs and found them to be fuel fouled, cleaned plugs and disabled fuel pump cranked engine to run excess fuel out of system. reinstalled plugs slowly in...
1998 Nissan Maxima GLE 3.0L MIL Lamp on VIN: JN1CA21D6W
Thanks in advance for any help anyone may have. This car came in with check engine light on. It has 2 codes. One related to EGR system problem and one related to knock sensor problem. When testing these systems, no problems show up at all. The egr system works... Trouble codes: P0325 (p1402-), P1402
1999 Nissan Pathfinder LE 3.3L MIL Lamp on
The car came in for a check engine light, code p1440 look at it in IATN help and replaced the cut off valve with a new one from the dealer. We smoked it no leak.Anybody have an idea Trouble codes: P1440
1992 Pontiac Sunbird SE 3.1L Misfire VIN: 1G2JB14T6N
So what I have is this. I have what appears to be a cylinder misfire on #3 near the firewall, I have good solid fuel pressure at 55, I have tested spark with two different spark testers one that can be adjusted to show the spark jumping a gap to test the stre...
1998 Saab 9000 CSE Turbo 2.3L abs VIN: YS3CF68M8W
Customer has had an intermittent ABS light. We pulled codes for 3 out of 4 wheel speed sensors (24252 - rf, 24253 - lr, 24254 - rr). We also had a code 25721 which is a travel sensor fault. Before we start all the testing for each of these codes, I was wonderi...
1999 Saab 9-3 2.0L shifter VIN: YS3DD75N3X
The owner of this car drove it to the Pizza store and all was working fine.When he came out to leave The key would not turn on,and the shifter would not move out of gear.I(have not been able to find much info on this set up at all.Mitchell gives directions on ...
2000 Saturn SL2 1.9L Ignition Lock Cylinder VIN: 1G8ZJ527XY
I am trying to replace the ignition lock cylinder on this Saturn, the old one was worn and binding. The procedure says to install the lock cylinder with the key in it and the ignition switch in the "Accessory" position. The problem I have is with the key in th...
2001 Saturn SL1 1.9L Pcm VIN: 1G8ZG54821
I come from a Jeep Chrysler Dodge dealer, my only other automotive experience so there was a bit of a learning curve picking up the flashing procedure using the Vetronix ES6510 considering there were NO instructions beyond actually hooking everything up. Combi...
2003 Subaru Forester XS 2.5L Excessive Emissions VIN: JF1SG65693
I have spoke to subaru and a tech at identifix, I have never seen this before and I am stumped. somthing is causing the computer to drive the fuel system rich. smoke test shows nothing. when the new af sensor is disconnected the co drops to 0% i have tried two...
2001 Toyota Sequoia SR5 4.7L vsc trac
I see tips on you tube and other resources on shorting pins 4 and 14 of the dlc but it does not work on this sequoia does someone have the info to zero calibrate this vehicle with out needing the factory soft wear or master tech. as you know I don't want to ha...
2002 Volkswagen Jetta TDI 1.9L No Start VIN: WVWSP61J72
Cust. had car towed off freeway, said loss of power then no start. Ckd. power to glow plugs .5 volt split sec. only ,tried new relay ,coolant temp. sen.,still no start. Put back old relay and tried maf sensor,map sen. no start. Unplug the cts and the car will ...
2003 Volkswagen Passat W8 4.0L Mil VIN: WVWUK63B63
Pulled Codes With Both Autel And Launch And Got 17701 (P1293) And 18032 (P1624), Alldata does not show these codes. We suspect that the temp. sender is bad, gage reads normal but radiator fans are blasting full speed. We can't find much info on this car. We wa...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2005 Acura TL 3.2L ABS and TCS VIN: 19UUA66295
Well the fix is in. I replaced the yaw rate sensor (not cheap, either), and the Acura has been trouble free for the last week now. Thanks for all the replies, and all the great insight!
2004 BMW 745i 4.4L valvetronic servo VIN: WBAGL63404
I am in the middle of job. Seth is helping me now. I finially understand removal position . Thanks for all the other help. Has anyone used snap on to do this? It is in the new software for Euro? The motors are turned out and come right out.
2001 Chevrolet Malibu 3.1L No Start VIN: 1G1ND52J01
I,m a little unsure which of two actions repaired this problem. I began by unhooking the battery to allow the BCM to reset. I left the battery unhooked for a day & a half. When I hooked the battery back up the battery had gone dead while unhooked. I charged & ... Trouble codes: B3031 (Security system in learn mode).
2003 Chevrolet Suburban 1500 LS 5.3L Mechanical VIN: 3GNFK16Z33
Most of the replies suggested pulling the pan to check filter and for chunks of metal. I drained the fluid and there is fine metal particles in the fluid, after removing the pan I found a lot of debris and the filter installed correctly. I suggested taking the...
2004 Chevrolet Silverado 2500 6.0L heat
After a drain and flush we picked the front of the vehicle on the lift we ran and filled vehicle all hoses hot now good quick heat.This has been a humbling experience. I appreciate the many responses and much help. I was leaning toward the blend door but half ...
2005 Chevrolet Cobalt LS 2.2L Low Beams VIN: 1G1AL54F45
Well guys Thanks to all of you that have replied !! we have learned a few things about this system. The BCM only controls the High Beams ,the low beams are turned on by the headlamp switch.Asked another one of my Techs to help me with this. We found that I had...
2008 Chevrolet Malibu LT 3.6L timing chains VIN: 1G1ZJ577X8
I had already pulled the starter and checked that it wasn't stuck in the ring gear, it wasn't. I pulled all the plugs to check for hydrolocking. I am going to recommend customer call the dealer they bought the car from to see if it is covered by any warranty.
1999 Chrysler Town & Country (Van) LX 3.8L interior light VIN: 1C4GT54L1X
I have'nt fixed the problem with the luminus lights on the rear wiper switches yet. I did verify that the problem was not the headlight switch or the bcm or any of the connectors by testing the power & ground sources from the hvac module to the bcm. I'am sure ...
2000 Chrysler 300M 3.5L steering VIN: 2C3HE66G7Y
Whew, go with your gut instincts- put old rack back in- supplier was gracious enough to give full credit.We rolled the dice on memory steer and replaced the Monroe quick struts with Raybestos units- immediate improvement in turning ability- however we noticed ...
2004 Chrysler Sebring Limited 2.7L Passenger window VIN: 1C3EL65R84
After confirming there were no broken wires in the door harness, we removed the passenger window switch and confirmed it was ok. After reassembly the vehcile works perfectly, most likely was a bad connection. Thanks
2006 Chrysler 300 (Car) C 5.7L Poor Idle Quality, Stall VIN: 2C3LA63H76
The fuel tank was the problem, the part that fails is molded into the tank and can't be replaced. And surprise suprise...the dealer actually had this tank "in stock".Why would you stock a tank that doesn't have any problems? Its an expensive repair so I wanted...
2001 Dodge Dakota 4.7L Door Locks VIN: 1B7FL26N91
thanks everyone. Repaced BCM and all is well after replacing the module with a good used one. Just had to reprogram the key fobs. The ghost is gone/
2002 Dodge Ram 2500 Truck 5.9L Unknown VIN: 3B7KF23692
Thanks to all. The transducer (Pressure sensor) was also bad on top of the pressure solenoid screen being full of junk.
2004 Ford Expedition Eddie Bauer 5.4L heated driver seat VIN: 1FMFU18L34
Thank You very much, The advice I received was to change the pass seat module into the drivers seat. The heat and cooling now works. A new module was ordered and will be installed into the pass seat. Thanks again! Casey [...]
2004 Ford Taurus SES 3.0L Misfire VIN: 1FAFP55S64
ecm fixed it-thank you everyone for the help-the ecm was loseing voltage so when i unplugged #6 the other coils were getting enough power to them Trouble codes: P0351, P352, P0354.
2005 Ford Escape XLT 3.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FMYU03185
Thanks to all that helped ,I felt this was a vacuum leak because of the LTFT Bank 2 replaced the intake gasket,no change .A friend suggested a crank sensor,replaced the sensor problem gone .I never would have believed a crank sensor would have fix this but it... Trouble codes: P0174 (Lean bank2), P0305 (Misfire cylinder 5), P0316 (Misfire first 1000 rpms).
1998 GMC K2500 Sierra SL 5.7L Hazard lights VIN: 1GTGK24R9W
Closed with fix. OK,, here is story. A guy a work with was working on the switch a few days ago while I was on the road and he was asking my questions. I pointed him to the switch after he told me all fuses were good. He changed switch after 2 from junk yard h...
2001 Honda Civic GX 1.7L No Start VIN: 1HGEN26491
after replacing fuel filters & reseting computer i noticed coolant not flowing through the first stage regulator--causing it to freeze up.cleaned coolant lines & problem went away. test drove & had miss on cyl#1. swaped #1 with #4 and miss went to #4n ordered ...
1998 Jaguar XJ8 4.0L window VIN: SAJHX1248W
This car had a starter problem, we think this is the cause but still waiting to hear back from client to do repair. THanks, Stewart
2003 Jaguar X-Type 2.5L Security VIN: SAJEA51D93
Fixed - the problem turned out to be that when we used the VCM, it was set up for our Ford IDS as that's what we mostly use it for. The first time we tried updating it for Jag, it apparently did not work. We tried it again, and things were different on the scr...
1995 Jeep Cherokee Sport 4.0L Excessive Emissions VIN: 1J4FJ68S5S
Well, The jeep passed the smog test. First let me thank everyone that replied. Almost all replies did not read my complete post. A lot of the advice dealt with entry level stuff ie t-stat, cat replacement, up stream exhaust leaks.etc. well what fixed the probl...
2008 Kia Rondo LX 2.7L MIL Lamp on VIN: KNAFG52668
Thanks to all that replied. With some help from the local dealer we found some restriction in the fuel vapor return line. We replaced the filter and the code returned, we replaced the purge valve and the problem was gone. The fact that we had no code for it w... Trouble codes: P2187, P2189.
2004 Mazda Miata 1.8L No Start, Engine cranks okay VIN: JM1NB353X4
This vehicle is now back on the road. The DTC P1602 turned out to be a "ghost" or false code that led me down the garden path of broken dreams. The real problem was a faulty Crankshaft Position Sensor (no code set). The problem was nailed when I looked at t... Trouble codes: P1602 (Immobilizer Unit-PCM Communication Error).
2008 Mazda 3 i 2.0L engine VIN: JM1BK32G48
I would like to start off by thanking everyone who replied. I will start at the beginning, car appeared on lot sometime over the weekend, customer ran over something, pothole, rock, etc.? Tore A/C compressor off Cracked oil pan, damaged crank pulley, broke mot...
1992 Mercedes-Benz 500SL 5.0L Poor Idle Quality VIN: WDBFA66E0N
Hello Mercedes Techs After performing a air intake induction cleaning with a fuel injection solution and also adding 2 fuel injection system additives to two fuel tanks of gas and driving about 220 miles, there is no more rough idle when you first start the ...
2006 Mini Cooper S 1.6L Hesitation, Cuts out, MIL Lamp on VIN: WMWRE32006
Thanks to all that replied. The fault was to current fault which turned out to be the harmonic balancer. When the vehicle got hot the balancer would slip and cause the vehicle not to charge. This would set the codes previously stated. Changed balancer, problem... Trouble codes: P1688 (Throttle body), P1627.
1992 Nissan 240SX 2.4L Excessive Emissions, Poor Fuel Economy VIN: JN1MS36P5N
thanks to many that told me to run a ground from maf to the engine it did it .thanks again . it still a bit rich at idle but of idle it is great.
1997 Nissan 200SX 1.6L Hesitation, Surge VIN: 1N4AB42D3V
The fix for the rich run and smoking was a seal that was bad that seals the pcv passage though the valve cover to the head. While the PCV valve is located in the valve cover it actually sucks the air from down in the block. The seal being bad allowed the camsh...
2005 Nissan Pathfinder LE 4.0L Lighting VIN: 5N1AR18U75
2006 Nissan Xterra X 4.0L Timing Chain VIN: 5N1AN08U46
Well, we can chalk this up to parts failure. The small spring wire that hold the primary tensioner out had broken and was allowing the tensioner to go in thus allowing way too much slack on the primary chain. Replaced primary tensioner again solved problem.
2004 Toyota 4Runner Sport 4.7L Starting VIN: JTEBT14R74
traced problem back to am2 fuse bad connection. if i put power to the 10 amp ign fuse it would run so that took me back to main power source am2 fuse now i no but looked good but was not making contactfixed that that fixed car thanks for your help
2006 Volkswagen Beetle 2.5 2.5L brake booster
hello everybody, thanks for your input... vehicle was done a few weeks ago and i just replaced master cylinder with reman part form a local part store. before replacing master, checked with dealer old part# and came with the right part# with the new one. repla...
Prev (Also Available: All, Asian, Chrysler, European, Ford, GM.) Next