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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for June 19, 2012
International Automotive Technicians' Network (iATN) - Members Only
(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for All Makes and Models
Help Request Answers
1998 Acura CL 3.0L Hesitation, Surge, Cuts out, Stall VIN: 19UYA2253W
post for archives only-no response necessary. vehicle runs exceptionally well cold. develops stall/severe hesitation/cuts out above 120 degrees with light to moderate throttle from a stop. aggressive throttle you can barely notice it. feels identical to tps dr...
2003 BMW 745Li 4.4L Charging VIN: WBAGN63423
I have a very odd problem (so i believe) with the charging system of this bmw. it first came in for a intermittent no crank / no start, so i checked easy stuff first, battery good, alternator not good. At idle the engine surges a little and the voltage jumps u...
2003 BMW 325Ci 2.5L converter lockup VIN: WBABN73443
Hello all and thanks. Buyer's checked this coupe ten days ago, A/T function OK (I specifically noted that TCC engagement was Ok as I have seen the no-lockup problem and codes P0740 & P0741 with torque converters before). Now the car has several symptoms not pr...
1967 Chevrolet C10 Pickup 5.3L 3-2shift
Customer has installed 200r4 transmission with shift kit and 2500 stall converter. He brought to me when he couldn't get it to shift as he wished. First I adjusted the TV cable on carb by adjusting pivot points and was able to get upshifts nice and crisp and w...
1994 Chevrolet Astro CL 4.3L Excessive Emissions, Poor Idle Quality, Stall, MIL Lamp on VIN: 1GNDM15Z9R
I'm not sure how to word this because I've not seen anything like it. This astro van has been to three shops in the area and all have thrown in the towel on this one. the problem seemed to be that it wouldn't idle. One fellow found that by unplugging the alter...
2007 Chevrolet Express 2500 4.8L Stall
engine stall when shift in reverse and occasionnaly in drive when hot , look at the throttle plate when the problem occur it open but no power at all the only issue to the engine is to stall . Restart is good idle is perfect place in reverse then engine cut in...
2005 Chrysler Sebring 2.4L Compressor VIN: 1C3EL45X55
Car came in with a/c randomly not working. I serviced the A/C system, vacuum, recharged. System was approximately 1 lb low. The compressor would not engage. Using a relay tester, I could complete the clutch circuit, and it would engage, and cool properly. Note...
1999 Dodge Dakota 3.9L MIL Lamp on VIN: 1B7GG26X9X
I got a intermittent p0753 shift solenoid electrical problem code that comes on this dakota. The solenoid was replaced for shift problem a few months ago. When this current code comes on there are no shifting problems with truck, drives normal. I replaced rela... Trouble codes: P0753
2003 Dodge Ram 1500 SLT 5.7L Electronic VIN: 1D7HA18D73
Replaced the TCM and line pressure sensor ,keeps going into nlimp mode and code PO613.
2009 Dodge Journey SXT 3.5L Pads, rotors VIN: 3D4GG57VX9
The inboard and out board pads on the rear are at less than 2 mm thickness. The rotors are not warped and the brake pedal is normal travel. The front pads are at about 10 mm thickness. My question is why are the rear pads worn out before the front pads?
1986 Ford Escort L 1.9L No Start VIN: 1FABP3697G
hey guys and gals, need a little help here. got an 86 ford escort with a carb 1.9 that won't start. it has no spark. checked external coil, it has 12v on one side and no ground pulse on the other. checked module on distributor, no ground pulse coming out of mo...
1998 Ford Mustang GT 4.6L 3rd to overdrive VIN: 1FAFP45X5W
Hello, need help from you transmission techs. Vehicle is a dealer car, and fluid looks good(probally been changed)? Vehicle shifts through all gears well, except from third gear into overdrive. You almost always have to lift off throttle to shift, and sometime...
2007 Ford Five Hundred Limited 3.0L Surge, Stall VIN: 1FAHP25107
when you back up then stop, put in drive it will lunge bad backward and forward. you can't park it without lungging bad. and if you're setting at idel in drive and turn your steering wheel it will lunge. Now it dies going down the road. no codes no tsb. took i...
2001 GMC W4500 Forward W4S042 4.8L blower motor VIN: J8DC4B14X1
Blower motor is inop, no power to it can power the blower motor with power probe it works, there is no power to 3 fuses in glove box when powering these everything works, found relays and what i can tell is the white red wire is the control, heres the issue ha...
2006 Honda Accord EX 2.4L Surge VIN: 1HGCM55876
Customer states engine surges during acceleration when cold. Scan for trouble codes. No codes found. Wasn't able to duplicate concern because by the time it gets here, it drives fine. Just happens when its cold during acceleration.
2003 Jaguar X-Type 3.0L alternator VIN: SAJEA51C33
I have this 03 X type 3.0, the customer was saying it had the battery light come on and all the instrument clusters lights coming on, ac panel going off, etc. he had to keep jumping it because it was dead in the morning. turned out the battery was dead. instal...
2001 Jeep Grand Cherokee Laredo 4.0L rear seal leak VIN: 1J4GW48S31
it was at another dealer 2 rear seals installed still leaking it didnt go back to them because she is very upset with them.i put dye,ran it and confirmed leak. pulled tranny to check plugs in back of block all ok.with tranny out i noticed oil pan gasket slippe...
2002 Jeep Grand Cherokee Limited 4.7L Compressor VIN: 1J4GW58N62
I have a 2002 jeep grand cherokee with auto climate control system. It is not cooling sufficiently. Its output on low is 55 to 60 degrees. The computer is running the system, scanner shows request and shows it being turned on and off. I only have a solus for t...
2005 Jeep Liberty Sport 3.7L Fuel Gauge VIN: 1J4GL48K45
I have a 2005 jeep liberty in the shop, at times the fuel gauge will read and after about 30 min of driving goes to empty, the speedometer also does not work at all. We have replace the i/p cluster and the rear axle speed sensor. I do get a speed reading on th...
2008 Jeep Wrangler X 3.8L Low power, backfires VIN: 1J4FZ24168
Vehicle has optional fuel source (propane carburetor in intake pipe). The propane is not new to the vehicle, its been on for a while. Customer had at another shop for low power, they gutted catalytic converters and installed new muffler. Vehicle came in with s...
1999 Land Rover Range Rover SE 4.0L Ignittion,immobilzer VIN: SALPV1245X
Customer called me from out in the woods basically stating he had drivers door open when had attempted to start vehicle and the alarm began to sound and vehicle went into lock out. Customer tried to hit key remote and it would not disarm and eventually discone...
2000 Mercedes-Benz E320 4Matic 3.2L Misfire VIN: WDBJH82J1Y
This car came in with misfire codes for all three cylinders on the left bank and no other codes. As soon as you accelerate hard all three injectors on that bank go into catalyst save mode and quit firing. The coils continue to fire during this time. As soon as...
2008 Mercedes-Benz R320 CDI 3.0L check engine light VIN: 4JGCB22E08
thanks in advance. vehicle will blow fuse f104 intermittantly. sets codes 2526 y77/1 charge pressure positioner low, 2530 m55 intake port shutoff motor short to gnd, 2527 y27/9 lh egr positioner and 3053 b2/7b1 intake temp sensor. all codes are set when fuse 1...
2001 Nissan Pathfinder LE 3.5L Speedometer VIN: JN8DR07X81
Test drove vehicle with scanner to verify speeds, as well as drove with another vehicle following. Speedometer needle did not move until vehicle reached approximately 15mph on scanner, and after 50 mph (on scanner) the speedometer needle quickly moved to about...
1989 Oldsmobile Cutlass Ciera 3.3L Mechanical VIN: 2G3AJ51N6K
car tow in, customer stated crank but no start. Drove from home to store, parked 10 minutes later came out crank no start. Right after drop off, we start and it run smooth like nothing happen. Took it out for a block, still run fine. Let it run at idle for ano...
2001 Oldsmobile Aurora 4.0L Air Injection VIN: 1G3GS64C01
P1416 Secondary Air Injection Bank 2 Code comes back after a few days
2001 Oldsmobile Intrigue GX 3.5L engine cooling system VIN: 1G3WH52H31
Engine over heats when driving slow or sitting and idleing. also the heater quits heating when sitting and idleing the raditor fans are working. replaced the water pump and used vacuum to fill cooling system so i do not think there is air in system als put air...
1994 Pontiac Firebird Formula 5.7L Srs VIN: 2G2FV22P6R
Have a 94 firebird with airbag light on reads code b1062.need more info on the code as i have no manual.
2004 Pontiac Grand Am SE1 3.4L Svs Light, Air Bag VIN: 1G2NF52E54
I am asking for any help or guidance on this car. The air bag light came on with a code of b1001. Nothing has been changed prior to it coming on. A clockspring was installed recently. I am aware of a module under the passenger seat that is told to communicate ...
2004 Pontiac Grand Am SE1 3.4L Poor Idle Quality VIN: 1G2NF52EX4
Customer complaint car idles very high sometimes, has a new OEM EGR valve installed by another shop. We cleaned the throttle plates and checked for binding, checked for wiring loom isues and scanned it out. Everything seemed normal so we told her to bring it b...
2010 Subaru Outback 2.5i 2.5L unknown VIN: 4S4BRBCC9A
temps in the 80's here.lady drives 100 miles to work,3/4 to work a/c gets warm.goes in work comes home a/c cold 3/4 home a/c gets warm.told her to shut off a/c 5 minutes or so and turn back on she tried and will not get cold again. i ran vehicle here for 1 1/2...
2000 Volkswagen Beetle GLS 2.0L power mirrors VIN: WVWZZZ9CZY
Fuse #1 ok. Only fault code relating to mirrors is the heating circuit. Test B+ and - to switch ok. Data block shows switch movement in scan tool. Test mirror motor, power directly to motor, working. According to WDS no relay. When moving the switch Can ...
2004 Volkswagen Beetle GLS 1.8L Abs VIN: 3VWCD31Y54
Code 01486 (ESP functional test initiated) is in ABS System. Cannot complete ESP functional test. Has a new ABS module from VW dealer. Carried out ABS coding and basic settings for Lateral acceleration sensor, steering wheel sensor and brake pressure sensor. A...
2005 Volkswagen Jetta 2.5 2.5L Rear View Mirror VIN: 3VWDF71K45
Customer had windshield replaced about a year ago. The mirror fell off and for the life of me I cant find a kit to glue it back on. It isn't a normal rear view mirror button. It is a big square that holds mirror and auto light sensor. I call the local VW deal...
1998 Volvo V70 2.4L No Start, Stall VIN: YV1LW5588W
This car keeps blowing fuse 11B/2 which feeds power to these 4 components: MAF Sensor, Fuel Injectors, Idle Air Valve, ECM. I've exhausted all of my technical know how on this. Unplugging each of those components doesn't stop the fuse from blowing until you un...
1998 Volvo V70 X/C AWD 2.4L MIL Lamp on VIN: YV1LZ5649W
i've got a volvo wagon here with the abs light on. however, given that it's a 98, i have no way to pull codes on the abs. i would like your advice on what scan tool to purchase that will do proprietary codes on a volvo 850 or early v70. my snap on solus pro ha...
1999 Volvo S80 2.9 2.9L Hissing Noise VIN: YV1TS97D5X
Vehicle has a noticable "hissing" noise on acceleration only, goes away when backing off the throttle. Is heard at almost all rpms while accelerating. Can also be duplicated in the shop in neutral by quickly depressing the throttle. Noise seems to located at t...
2005 Volvo XC90 2.5T 2.5L ? valve VIN: YV1CY59205
Hey all i have more of a question than a problem. Has anyone used beck/arnley intake and exaust valves??? i have always used oem valves from the dealer or from worldpac,i have no experience with aftermarket valves. Im trying to save my customer some $$$ but my...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1978 BMW 320i 2.0L No Start, Misfire
hello and thanks to all who replied, we isolated and determined pressure drop in fuel distributor, owner could not repair at this time so we gave him a momentary switch to the cold start valve which corrected problem immediately as long as whatever is leaking...
2004 Cadillac SRX 3.6L MIL Lamp on VIN: 1GYDE63704
Well unfortunately the customer came and got the car without any further diagnosis or repairs. A few said to check the actuators (phasers), this would have been our next step had the car been left. We had another 2004 SRX 3.7 liter in the shop for an oil cha... Trouble codes: P0008 (Engine Position Systen Performance Bank 1), P0016 (Intake Camshaft Position Correlation Bank 1), P0017 (Exhaust Camshaft Position Correlation Bank 1).
2002 Chevrolet Silverado 2500 HD 6.6L Poor Idle Quality VIN: 1GCHC231X2
thanks to everyone who took time to help me out. You're right I had a code 89 not 87. I reviewed everything I did and narrowed it down to the injection pump fuel regulator. I had and open in the electrical system that I didn't have before. I took the regulator... Trouble codes: P0087.
2006 Chrysler PT Cruiser Touring 2.4L Charging VIN: 3A4FY58B96
the fix for this car was to reflash the pcm. there is a tsb in power train for ecm updates with include charging system updates that affect warning lamp illumination intermittently occuring. we reflashed the pcm and the vehicle has been driving many miles with...
1994 Dodge Intrepid 3.3L engine VIN: 1B3HD46T9R
Thanks for the help. I was able to get it scaned and found crank sen code. So this point i have not got a go from customer so we are sitting on it.
1998 Dodge Grand Caravan SE 3.3L Electronic VIN: 1B4GP44G6W
Thanks to all who tried, but the customer has picked it up, has not made up his mind what to do with it. We had sent it to a trans shop, they had replaced the computer, had a mobil electrical guru look at [ which turned out to be a friend of the owner] checke...
2004 Dodge Intrepid SE 2.7L compressor VIN: 2B3HD46R84
thanks for all your help it was the connector wire it broke internally. it went to the switch, thanks again all replies were very helpful.
2009 Dodge Journey SXT 3.5L Mechanical
Hello, I have fixed this vehicle, thanks to Willam from Pennsilvania. with it on the hoist and the vehicle in drive you could see the calipers sliding in and out on the slides, just a little. Replaced rotors and noise is gone, so i guess the rotors need to be ...
1987 Ford F-150 Custom 4.9L No Start VIN: 1F1EF15Y8H
Thanks to everyone who replied. Turned out the ignition timing was off and the converters were clogged. Has to pull the timing cover off to set timing, there were no marks on the crank pulley.
1994 Ford Taurus SHO 3.2L Camshaft Synchronizer VIN: 1FALP54P0R
Thank you so much for all your info. rcm had the used part that worked great. Thanks again
1999 Ford F-350 Super Duty Lariat 7.3L Misfire VIN: 1FTSW31F7X
Well have never run across this before the cam sensor we replaced was causing all of this issue, hooked up lab scope to it and about 200 rpm signalwould go flat and come back, so i put the old one back in and it runs great, had the service advisor order one fr... Trouble codes: P0308 (Cyl 8 misfire), P0344 (Cam position sensor), P0603 (Icm kam error).
2002 Ford F-150 XL 4.2L low power VIN: 1FTRF17242
the customer declined to spend the funds to repair all the problems we indicated. Thanks so much for you replies and time spent. I lean to agree that one of the two cats are somewhat restricted along with all the other problems I listed found. No repairs perf... Trouble codes: P0172, P0174.
2004 Ford Thunderbird 3.9L No Start VIN: 1FAHP60A44
2004 GMC Yukon XL 1500 Denali 6.0L Pressures VIN: 1GKFK66U14
Thanks for the help everyone. The answer to this problem was a number of small ones. Recalibrating the control head helped, closing the hood with the guages on the outside helped (helped air flow), understanding that the leak in the bottom of the evaporator ...
2004 Honda Pilot EX 3.5L Compressor VIN: 2HKYF18694
I would like to thank everyone who responded and confirmed what I was thinking. As stated, the vehicle left that day. The customer was told that day that he most likely needed the compressor and drier, which he does not have the funds at this time to replace...
2006 Honda Civic LX 1.8L Abs Rt Wss VIN: 2HGFG12666
thanks for all the help, someone told me the bearings could go in backwards but didn't say why. magnetic strip in seal. brown on one side black on other without strip.if anyone runs into vibration that sounds like wheel bearings and has roof rack on top for bi...
2007 Honda Ridgeline RTL 3.5L cluster dropping out
thanks for all the replies we replaced the instrument cluster and all is well i took the cluster apart and no signs of burnt components,thanks again for all the help
2003 Hyundai Elantra GLS 2.0L MIL Lamp on VIN: KMHDN45D13
ok i got her fixed. i thought a little more about possibly different camshafts/reluctor wheel on camshaft between the engines. so i grabbed the old camshafts and it is basically just a dowell pin for the reluctor... picture of cam: ... Trouble codes: P0340.
2005 Kia Spectra EX 2.0L engine VIN: KNAFE12165
I have replaced both oxygen sensors with OE parts and have replaced terminals as per TSB. This still fails emission test with excessive CO. NoX is low with 18 out of 505, HC is 35 out of 66. CO is 1.23% out of 0.37%.
1999 Land Rover Range Rover SE 4.0L heater core leaks VIN: SALPV1246X
I have fixed this car. I replaced the heater core as well as o rings. I choose the short cut route and it works great and save a lot of trouble and time. Thanks to all for their replies and a short cut tip from a web site www.rangerovers.net. Thanks IATN ! Ch...
2004 Mazda 3 i 2.0L Hesitation, MIL Lamp on, no acceleration VIN: JM1BK12F34
We were not able to fix this one. We tried a used throttle body = no change. We were able to power the original throttle and get it to move off the car. Our wrecking yard supplier was able to locate and supply a used PCM one year newer .. when this was install... Trouble codes: P2108 (Throttle actuator control module performance error), P2107 (Throttle actuator control module performance error).
2008 Mazda MX-5 Miata Grand Touring 2.0L Engine Cover VIN: JM1NC26F78
thanks every one for the answers you gave me, made me feel more comfortable telling the customer that it was proablly the cleaner used on the engine. ordered new cover and will be installing shortly.
2000 Mercedes-Benz C230 Kompressor 2.3L No shift/ Runs bad
Thanks for the replys and giving me somethings to look into. While having vehicle in shop for a few days, I found that if I let engine idle for 2-3 minutes in cold starting car would run fine with no problems. Also found while cold idle in these 2-3 minutes wh...
2011 Mercedes-Benz C250 2.5L temp sensor VIN: WDDFH3EB6B
thanks to Ken (Anthony)from BC. the location and wire colours were correct. I located the wiring and repaired the broken wire at the sensor. Once repaired I cleared codes and the display was reading correctly.
2005 Saab 9-5 Arc 2.3L No Start VIN: YS3ED49A65
We've been short staffed and had to put this on the back burner. We finally fixed it yesterday. We tried running the car on propane as many suggested and for whatever reason couldn't get the car to run. Propane was added to the port with removable plug on the...
2001 Saturn SL1 1.9L first and reverse VIN: 1G8ZH52851
Tightened input shaft nut seems to be good now. Will probably end up replacing the nut with a new one.
2006 Subaru Impreza WRX 2.5L Poor Idle Quality, Cuts out, MIL Lamp on VIN: JF1GG79646
found the problem tight valves on #4 cyl ck clearences all valves tight. need to talk to cust. for repairs Trouble codes: P0304, P0138.
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