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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for March 3, 2015
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
1996 Acura TL 2.5L Poor Idle Quality, Surge, Stall VIN: JH4UA2651T
Hi all got this acura that starts cold and has fast idle 1200 rpm for about 10 seconds then idle drops down, almost stalls then fluctuates up and down almost stalling. engine will not rev or accelerate it just bogs down like no fuel and sometimes pops out the ...
2007 Audi Q7 4.2L MIL Lamp on VIN: WA1AV74L07
Mil on 008569/P2179 Too lean off idle Bank 2. Long term fuel trim Bank 1 = 1.6 Bank 2 = 14.1 Car came in Mil on P2179 but runs well. Smoke tested intake, tested good. Took car with high pressure fuel pressure on graph to see if there was a difference side to s... Trouble codes: P2179 (Too Lean Off Idle Bank 2)
2005 BMW X3 3.0i 3.0L Misfire VIN: WBXPA93425
car came in from other shop they said transmission is slipping. when testing driving car you can feel it bucking. checked codes and found misfire codes . checked fuel trim and numbers are around 13 on bank 2 and 10 on bank 1. So I smoke tested intake system to... Trouble codes: 2742 (not present misfire cylinder 1), 2743 (not present misfire cylinder 5), 274E, 276D, 2747 (not present misfire cylinder 4)
2006 BMW 325i 3.0L long crank VIN: WBAVB13506
this car came in with many codes. we repaired some common vacuum leaks to repair a few. what we are hung up on is a crankshaft position sensor code. code p0335/2a94. we found crankshaft sensor to be broken on the connector end. we installed a new factory bmw p...
2007 BMW 750Li 4.8L Coolant thermostat VIN: WBAHN83587
Hopefully anybody could help me out or more knoledge on this bmw setup
2000 Buick LeSabre Custom 3.8L blower motor VIN: 1G4HP54K6Y
hi guys i have a 2000 LeSabre custom Intermittent blower motor another shop has changed blower motor and fan resistor and check wiring it came to me had 2 codes B2628 Passenger compartment dimming 2 circuit high and B2643 delayed exterior lighting control circ...
2006 Cadillac DTS 4.6L park assist sensor VIN: 1G6KD57YX6
car was brought to us with sensors and harness already replaced, codes 954,955, symptom 08, invalid signal lf outer,lf middle. tested signal wires at 7.8 volts, all the same, front and rear, no shorts to power or ground. replaced module, getting same codes.
2002 Chevrolet Corvette 5.7L Unknown VIN: 1G1YY32GX2
intermmitently all the lights come on on the dashboard, while driving , and it sets the following communication codes,u1000, u1255, u1064. u1096, u1016, and u1301, and c1242 and passenger window stops working , passenger door locks, and passenger mirror, it se...
2005 Chevrolet Suburban 1500 Z71 5.3L Electronic VIN: 3GNFK16Z05
We replaced the ABS module because it was missing with new GM part. We cannot get it to program. We are using the CarDaq-plus and delco tech connect. I've called and talked to the help desk and they say it's a known issue with something to do with the BCM inte...
2009 Chevrolet Express 2500 4.8L steering pull VIN: 1GCGG25C29
Vehicle comes in for an oil change and tire rotation to my shop about 1 week ago. Perform both and go for a test drive. As I am pulling foward out of the stall the steering wheel automatically turns right two turns. As I pull out of the drive it practically st...
2001 Chrysler Town & Country Limited 3.8L Accessories VIN: 2C8GP64L61
Thanks up front for any help. I have this 01 Town & Country that had a dead battery & someone jump started it for them. Supposedly it was all hooked up correctly. Now the instrument cluster is dead, no HVAC, no turn signals, no wipers, no power sliding doors. ...
2006 Chrysler Town & Country Limited 3.8L Automatic VIN: 2A8GP64L66
Automatic sliding doors open on their own over night. lights drain battery. Costumer says that they park the vehicle at night makes sure the doors are closed. when they come out the next morning the sliding door has opened on its own. they claim that this happ...
1999 Dodge Ram 1500 Van 5.2L cruise control VIN: 2B6HB11Y7X
Cruise control inop. Scan no codes. Monitor pid data with verus scan tool found switch voltage reads 4.5 volts with switches at rest. Compared data to same year 1500 truck and found pid data for switch shows 5.0 volts with switches at rest. Also that return vo...
2001 Dodge Ram 1500 ST 5.2L axle VIN: 1B7HF16Y61
Hello people. Thanks in advance for any info or advice you may have on this. This vehicle came in with both a slipping transmission and a t-case that wouldn't hold its range. I don't overhaul these things in house so it went out to my usual trans shop whom I'v...
2005 Ford Escape XLT 3.0L Drive-axles VIN: 1FMYU03185
Customer complains that first thing in the morning right tire will not turn when backing up once it does its fine.Moving forward there is no problem.only backing up. anyone seen this before?
2006 Ford Escape XLS 2.3L Engine Cooling Fan VIN: 1FMYU92Z16
I have this 06 Ford Escape, [...]. The cooling fan relay keeps overheating and sticking on causing the fans to stay on after vehicle is shut off. I replaced the relay the first time, it lasted about a month, It came back, I replaced the fan motor assemblie...
2006 Ford E-250 5.4L MIL Lamp on VIN: 1FTNE24L16
fleet truck was brought to our shop with p0172 and p0175 both banks rich. HO2S data is normal. LTFT is about-18.8 for both banks. STFT is between -2 and -10 for both banks. fuel pressure is 30psi. Fuel rail pressure sensor reads 38.8psi and has no sign of leak... Trouble codes: P0172, P0175
2007 Ford E-250 4.6L Water Pump VIN: 1FTNE24W87
This van came in 2 months ago the water pump was leaking from a soft plug that is in the water pump it did not look that old we replaced it 3 days later came back again leaking from the soft plug it was an after market rebuild so we changed it again with a new...
2007 Ford F-150 XLT 5.4L MIL Lamp on VIN: 1FTPX14527
Customer came in shop with check engine light on P0300. He then told us about the previous repairs done at the dealership. He said this is the 13th time the check engine light has been on since he got the truck in september. Trucks runs perfect, performed powe... Trouble codes: P0300 (Random Misfire)
2007 Ford Expedition Limited 5.4L Indicator VIN: 1FMFU20557
My customer wants their tpms disabled. I was wondering if anyone has ever done this before. If maybe there is a program, special function etc to disable the system. They do not wish to have it on their vehicle.
2008 Ford F-550 Super Duty XL 6.4L Cooling Systems VIN: 1FDAX57R98
Hello Techs, I was hoping someone else had run into this problem with the code PO528 on a 6.4L Ford diesel. I've been researching and seeing that other issues could possibly be tripping this code. I will change the thermostats to be sure they are not causing ...
2008 GMC Acadia SLE 3.6L Windshield Wipers VIN: 1GKEV13728
This vehicles wipers will work normally but every once in a while will just stop working under normal operation. They usually stop on the windshield and then will start working again. I have checked all connections, tried tapping on the wiper motor, etc. Is th...
2001 Hyundai Elantra GLS 2.0L Unknown VIN: KMHDN45D41
This is what I got .no check engine light won't set monitors evap and o2 .i have 3 code when I run evap test though my scanner we changed the vent valve still sets the 3 codes. So we when into functionally test and command the evap vent valve it sounds like it...
2005 Jeep Grand Cherokee Limited 4.7L transmission VIN: 1J4HR58N35
hello, i have a problem with this SUV, i have an otc pegisys scanner, and im getting codes p0700, p0101, and p01603. the problem i have is that im trying to get straight transmision codes, and it says comunication error, tried ABS system, and also says comunic...
2004 Mercedes-Benz CLK55 AMG 5.5L battery drain VIN: WDBTJ76H14
after 1 or 2 days of sitting , the battery goes dead. has a 330 milli amp drain. pulled fuses 1 at a time , no change in amp drain. disconnected alt- no change. disconnected abs computer - no change. no lites are on in vehicle , no visor lites , no cig lighter...
1987 Nissan Maxima GXE 3.0L Speedomotor VIN: JN1HU1111H
Calling all experts on digital dashes .i can drive this vehicle and will show 3 mph and may show zero then may start working and may not. Does anyone have a good test on these digital dash. Thanks for your help
2001 Nissan Maxima GLE 3.0L 2-3 Shift VIN: JN1CA31A61
Have this maxima that came in with surge & shift complaint. On test drive first noticed veh. surged severly untill shifted to second then ran fine but when shift to third felt like went to neutral but watching shift solenoids actually commanded back to first e...
2008 Pontiac G5 2.2L MIL Lamp on VIN: 1G2AL18F28
This car came in because the mil was on and the downstream 02 sensor harness on the vehicle side had been ripped off because it was hanging. The car had multiple codes. I repaired the harness and checked the 02 sensors circuits and they are operating as design... Trouble codes: P0172 (Fuel system rich)
2005 Porsche Cayenne Turbo 4.5L Starting VIN: WP1AC29P45
This vehicle came to me with a slow or no start, without a jump, (very cold conditions--much worse). Still drags even in 90 degree temps. Tested and replaced original battery. Always starts but starter turns slowly after battery replacement. When very cold fi...
2007 Saturn Vue Green Line 2.4L Mechanical VIN: 5GZCZ33ZX7
New customer ; car towed in. Cranks, no start. 12V ok, no codes. When cranking, the "starter" sounds a little fast then slow then fast again. AFAIK the 36V motor/generator does the starting. The HV gauge stays approx in the middle during cranking.
2002 Subaru Outback 2.5L Mechanical VIN: 4S3BH66552
This one was towed in for no-start, pulled the drivers side timing belt cover... the belt was turning the cam, but looks horrible. Pulled the plugs and checked compression - nothing. I'm wondering what's the best resource you have dealt with for reman heads? O...
2007 Suzuki XL-7 3.6L timing chain VIN: 2S3DA41747
hi everyone i have a problem with this car. so we went on shopkeypro to look for info related about timing chain aligmnet and the information there is not clear. it seems like there is two stages for removal on the first stage the crankshaft sproket in point...
2000 Toyota Tacoma DLX 3.4L 4th Gear VIN: 4TAWN72N9Y
Hello Toyota Tech's, We have a missing 4th gear. No codes. We use scanner to actuate solenoids and can gear 4th gear, but only stays in for about 200 yards, then pops back into 3rd. In reading the data the VSS will not go above 22mph, while speed sensor for sp...
2006 Toyota Highlander Hybrid 3.3L No Start VIN: JTEEW21A76
Engine will not start ( no crank ) - towed in, 12 volt battery fully charged, the " ready " light does not come on with the key on. No codes in hybrid system or the pcm and theft modules. Has communication with all modules with mentor scan tool. Any ideas ?
2009 Volkswagen Jetta TDI 2.0L starter VIN: 3VWJL71KX9
Looking for some help from some vw techs out their this jetta has no power at starter. I was hoping to pull the starter relay and make my tests from their but no location in mitchell or identifix. I called the identifix hotline and was given the location. Slot...
2005 Volvo V50 i 2.4L Surge, MIL Lamp on VIN: YV1MW39095
Hello Volvo tech's, This has happened twice, but can't duplicate it other than it blow fuse #35, but not on us . And we clear the codes that come up due to the fuse, and within a two week period installed two fuses..We are either dealing with a Cam solenoid, M... Trouble codes: 6400 (Inlet cam reset), 640A, 1300 (MAF sensor), 4000 (Canister purge valve), 4350 (Leakage detection moduleheater)

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2003 Cadillac CTS 3.2L Poor Idle Quality, Surge, MIL Lamp on VIN: 1G6DM57N53
I'm waiting for this customer to get back to us. Will start with reprogramming. Thanks to all. Trouble codes: P2176 (Min t/p not learned).
2008 Cadillac CTS 3.6L No power VIN: 1G6DV57VX8
Thanks to you guys this is fixed with a new pump. I kind of thought it would but I was wondering about performing any additional tests before replacing it. Thanks for that replied and God Bless. Trouble codes: P0087 (Fuel rail pressure FRP too low), P0089 (Fuel pressure regulator performance).
2008 Chevrolet Impala LS 3.5L No Start VIN: 2G1WB58K28
1996 Ford Probe 2.0L stuck in 2nd gear VIN: 1ZVLT20A3T
Well I appreciate the replies, but the problems was The MLP switch. I tested the voltage from the switch several times and checked resistance, but every test was within service manual specs. I put a new Ford MLP switch on this vehicle to completely eliminate...
1999 Ford F-150 Lariat 5.4L mil lamp VIN: 1FTRX18L1X
Thanks for the help,the problem was someone that has been working on it had change the cluster three time but the pins in the white connector move the color out of wrong hole of connector.I was going by pin configure and find the the gy/ye was one pin over go ...
2003 GMC Sierra 3500 SLE 6.0L No Start VIN: 1GDJC34U53
Thank you everyone for your input, lots of good ideas. I wish iATN had some way of interacting with you, to let you know what progress we've made along the way. This one ended up being a challenge, but here is the story. The previous shop got the truck runnin...
2005 Honda Odyssey EX 3.5L oil in coolant VIN: 5FNRL38435
Although there is no solid proof, we believe that the block is cracked. This vehicle does not have an oil cooler. The customer has decided to trade the vehicle in. Thank you for the replies.
2006 Hyundai Santa Fe GLS 2.7L Power Steering VIN: KM8SC13D66
Yes this vehicle is fixed , the power steering works great, After reading all the replies especially the ones about checking valves I had the tech to retrace his steps piece by piece and we found that the spring and plunger under the pressure switch was inadve...
2006 Land Rover Range Rover Sport Supercharged 4.2L MIL Lamp on VIN: SALSH23436
replaced coolant temp sensor and cleared codes. Duane from Alaska informed me about o2 sensor heater shuts off too soon and Land Rover has a re flash to stop lean codes.as far as the p0455 ,it may have been a loose gas cap at one time, this was this customers ... Trouble codes: P0171, P0455, P0116.
1993 Lexus LS400 4.0L No Start VIN: JT8UF11E1P
Sorry took so long to get back to vehicle, weather been keeping me from getting to do any further diag. as sugested tried adding fuel when no start occured but still no start, talked with several diffent sources & led to beleive problem in security system or e...
1996 Mercedes-Benz SL600 6.0L Ads VIN: WDBFA76FXT
Problem solved. Found loose pin contact in female connector at ADS module along with an internally broken wire. There are no level sensors within the struts on this particular model and the car relies on one axle level senor in the front and one in the rear. T...
2012 Mini Cooper S Clubman 1.6L Instrument Cluster VIN: WMWZG3C56C
2 Of you suggested that the battery could be a problem. So when we got the car back. We put our battery load tester on it. Sure enough the battery had a voltage drop when you hit the auto start button. Replaced the battery and it corrected the issue. Thanks fo...
2005 Nissan Maxima SL 3.5L No Start VIN: 1N4BA41E25
This thing is gone pop open a beer !!! After testing everything possible it was determined the ECM was bad. Steve [...] I learned a lot by scoping & Ohming with components hooked up and not hooked up, thank you for the info. After determined ECM was bad I to... Trouble codes: P1212 (Tcs), U1001 (Can ecm), P0452 (Evap), U1000 (Meter), P1762 (Electric Throttle), U1000 (Meter).
1998 Oldsmobile Cutlass 3.1L No Start VIN: 1G3NB52M9W
Hello all thanks for all the help. First had a lot of replies about the fuel trim and need to change the battery first. Battery was changed first before anything else was done, it was in repair history. Fuel trims I apologize I was to vague. When I said the in... Trouble codes: P0440, P0507, P1404.
2005 Pontiac Grand Prix 3.8L heatre VIN: 2G2WP52235
Finally able to get back to car and started the cylinder leakage test to check for head gasket failure but customer wants the car back.Did put a used radiator in it and finally was able to get engine up to temp and cooling fans coming on at 215 but still loose...
2004 Subaru Outback L.L. Bean 3.0L Misfire, MIL Lamp on VIN: 4S3BH80614
After checking for a plugged catalytic converter on the bank effected, (Less than half pound of back pressure) we test drove the vehicle multiple times with coils for #2 cylinder and #1 cylinder swapped. Engine miss on cylinder #2, or any miss for that matter,... Trouble codes: P0302 (Engine Miss Cylinder 2), P0304 (Engine Miss Cylinder 4), P0306 (Engine Miss Cylinder 6).
2006 Toyota Prius 1.5L Poor Fuel Economy VIN: JTDKB20U86
Thank you all for your informative replies. Most mentioned tires and main battery as big contributors to poor fuel economy. Also plugged cat from oil consumption, MAF sensor,open t'stat,slipping CVT trans,12V battery failing, and refrigerant charge low. One te...
2001 Volkswagen Jetta TDI 1.9L Glow plug curcuit VIN: 3VWSP69M11
The starter and setting the timing fixed this one, thanks for all the info. Sometime back I remember a starter being an issue with stating. won't be forgetting this one.
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