× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for February 11, 2015
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
2004 Acura EL 1.7L Ecm/Pcm VIN: 2HHES36844
Hello Everyone. I am in Canada,so this 2004 ACURA 1.7EL is same as HONDA Civic EX in USA(1.7L w/V-tec). Cust. bought this car 3 mth ago and reports vehicle started no problem in the morning.(usually -7~-8 degree of Celsius here. Driving 20-30min. parked and i...
2008 Buick LaCrosse CXL 3.8L battery VIN: 2G4WD58258
Well here goes, vehicle came in for dead battery after sitting for approx. 5 days. vehicle has current draw of approx. 170ma. what is strange,is it pulses like a heartbeat from approx. 114 to 200 ma. consistently. Have pulled all fuses,relays, and ckt. breaker...
1997 Chevrolet Express 1500 5.7L No Start VIN: 1GBFG15R0V
Van came to shop with a no start condition after the van had been sitting for a few years. We first checked fuses and found the ECM1 fuse blown. We then checked fuel pressure, and spark. Fuel pressure is good- 58 psi with KOEO, 62psi while cranking. Spark- goo...
2012 Chevrolet Silverado 1500 LTZ 5.3L 6-5-3 downshift VIN: 3GCPKTE71C
got a downshift issue. if you gas on it say 45 to 70mph it downshifts and TM takes over and the rpm's drop the transmission locks up as it downshifts and the rear tires will squeal if over 60mph and then it shifts and launches and does fine. It has done this f...
2013 Chevrolet Silverado 1500 LTZ 5.3L MIL Lamp on VIN: 3GCPKTE79D
I have this pesky problem on this 5.3 V8 Silverado. It keeps coming back with this P0128 and will not reach operating temperature as far as I am concerned. It will pass the code test after thermostat replacement - but barely. I did not see anything wrong with ... Trouble codes: P0128 (eng wont reach operating temperature)
1988 Ford F-250 Custom 5.0L No Start, Stall VIN: 1FTEF26N3J
Engine will start some times and have injector pulse (noid light), it will run 3 seconds, injector pulse fades away engine dies then try to restart no injector pulse at all. New distributor with new pickup and ignition module. reman ECM Coil replace 6 months a... Trouble codes: 21 (Ect), 81 (Idle air valve)
2001 Ford Windstar LX 3.8L Hesitation, Surge, Cuts out, Stall VIN: 2FMZA51431
After replacing engine test drove, drove fine first day. Let it sit all weekend. start it up today to test drive again, idles fine but when you go to get on it, it starts surging, misses out and dies. key it off & back on and fires right up and runs. only does... Trouble codes: P0340
2003 Ford F650 7.2L allison controller VIN: 3FDWF65233
truck has a very worn shifter tube.have tried to commnicate with Jpro allison software,MDS,soulus,on heavy truck plug,and obd2 plugs nothing is working. can get into ecm and antilock modules.has active speed sensor codes for axle 1 left and right sides. Has po...
2005 Ford F-150 FX4 5.4L no start VIN: 1FTPW14585
This is my personal truck . It won't either start or crank intermittently when really cold around -20 Celsius or -5 Fahrenheit , when it does crank it don't start.Cluster lights up mileage, outdoor temperature and compass readout are just dashes when this happ...
2006 Ford F-150 XLT 5.4L No Start VIN: 1FTPW14V56
Most of you will probably tell me the motor is bad, camshaft and bearing caps are scored, but the problem is that is was running and now its not, and I am trying to figure a way out of a bad situation with this vehicle. as the story goes it died on the road, w... Trouble codes: P0012
2012 Ford F-150 FX4 3.5L No Start VIN: 1FTFW1ET7C
First Ecoboost no start for me. P00C6 was in memory but does not reset. Had a low battery charge that was delt with. Verirfied with scan tool that fuel rail pressure is low cranking. It will spike up to 800-1200psi as is desired while cranking but doesnt stay ... Trouble codes: P00C6
2007 Hyundai Santa Fe SE 3.3L wINDOW VIN: 5NMSH13E47
The passenger front window will not work. We have removed both door panels & with a power probe can make the window operate from either switch. I can go directly to the motor with both switches plugged in & make the window work. We have check the ground behind...
2004 Infiniti G35 3.5L immobilizer VIN: JNKCV51E94
Hi, replaced defective BCM with new one and looking to see if I could get the 4 digit pin code for the NATS. Have 2 scan tools (Launch and Autoland) that are capable of key programming. BCM pin code is 27091. Help would greatly be appreciated, trying to do thi...
2002 Jaguar X-Type 2.5L Misfire, MIL Lamp on, Limp-home- mode VIN: SAJEB51DX2
To the group, when I first drove this vehicle the Limp-Home- Mode would engage at 3000 rpm to prevent Cat damage,Too many Misfire indications. Actually the vehicle drove and accelerated very well. I cleaned all the grounds in the front of the engine compartmen... Trouble codes: P0300 (P0301 P0303 PO305 cylinder misfires), P0420, P1313 (P1316 Misfire Rate Cat damage), P1647 (Heated O2 malfunction)
2003 Jaguar S-Type 3.0L No Start VIN: SAJEA01T73
Hi folks, This car fails to recognize the PATS key to enable start. I have Jaguar IDS. I can program the instrument cluster and get the car to allow start, but after a few hours it fails again. During key programming I get a "failure to comm with GECM", but it...
2005 Kia Sedona EX 3.5L Hvac VIN: KNDUP13235
2005 Kia Sedona. Problem I am having is I am not getting the ground signal at the a/c compressor relay. I powered up the system manually and brought it to a full charge but it will not come on by itself. Parts replaced by previous mechanic: a/c control unit, c...
2004 Mazda 3 i 2.0L No Start VIN: JM1BK32F94
I have a crank no-start have injector drive for a brief second during the start of crank but goes away no spark also for sure the balancer was removed i lined it up with the ford tools and removed valve cover and found timing off adjusted timing and aligned ba... Trouble codes: P0480 (Cooling fan control 1)
1991 Mercedes-Benz 300SEL 3.0L Unknown VIN: WDBCA25D7M
I hope there is an expert on old mercedes heater controls out there. Here's the situation. The customers complaint is no heat at highway speed. After a lot of driving this car I have a good description of the symptoms. The engine temp is fine comes up normal...
2008 Saturn Astra XR 1.8L MIL Lamp on VIN: W08AT27158
ECM monitors the MAF sensor signal and if not within the specified range/model thats stored it triggers the DTC and it has to be in open loop. Understanding the systems just needing some input of where to go now. Trouble codes: P1101 (Intake air flow system performance)
2007 Subaru Outback 2.5i Basic 2.5L drivers airbag VIN: 4S4BP61C67
Rack and pinion was replaced according to repair guidelines in Mitchell ProDemand. After reconnecting battery and starting vehicle Airbag lite stays on. Scanned vehicle, codes 11 and 71 keep coming up. Reset roll connector according to repair info. Lite contin...
2004 Toyota RAV4 2.4L engine VIN: JTEGD20V74
Got tripped up on this one. Owner brought his low mileage RAV4 to us the other day to listen to the whine under the hood. To any of us who has heard an alternator with a "singing" diode, this was the poster child for that noise. Wasn't bad at all, system was c...
2007 Toyota Camry XLE 3.5L Head Gasket VIN: 4T1BK46K77
Found external coolant leak at firewall head over #5 cyl. Question is: Can one re-torque Head bolts or is this v6 similar to Toyota's 4 cylinders which pull headbolts out of block? Thanks Vern Blair Shop Manager
2000 Volkswagen Beetle GLX 1.8L No commuication VIN: 3VWDD21C7Y
Greetings to all the brave souls who work on the power of German engineering. This little beetle came to me for a smog check and would not communicate with the OIS system. While it does have an aftermarket radio this is NOT the problem. Nor is the ABS module. ...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2005 BMW X5 4.4i 4.4L engine VIN: 5UXFB53535
Thanks to all of you for your replies, We have tried all you suggestions to no avail. When we did an oil change the check valve fell out of the filter housing, I contacted BMW and they did not know what I was talking about and where it is situated, reading an ...
2005 BMW M3 3.2L skips 3rd gear VIN: WBSBL93435
Hey guys sorry for the late fix. So it turned out that we had 2 different problems going on with this car. First the Hydraulic pump was faulty. After extensive driving the hydraulic pressure would drop and cause it not to work in any gear. After replacing the ...
1998 Buick LeSabre Custom 3.8L MIL Lamp on VIN: 1G4HP52KXW
customer had a dorman kit installed for upper intake leaking was not installed properly coolant was getting in to exhaust and contaminting o2 sensor
1997 Chevrolet K3500 Cheyenne 5.7L Poor Idle Quality, Misfire VIN: 1GCHK34R7V
Hello everyone and thank you for all the good helpful hints. What I ended up doing was cleaning the injectors with the motor vac and doing a combustion cleaning. my fuel trims dropped back down where they belong and the truck runs smooth. Thank you for your ... Trouble codes: P0174.
1997 Chevrolet Blazer 4.3L abs
We did replace the master cylinder, and rebled the entire system, including the ABS auto bleed. Brakes are now good, no pulling, no fading, no soft pedal. Thanks all for the help/info!
2005 Chevrolet Avalanche 1500 LT 5.3L Excessive Emissions VIN: 3GNEK12Z35
Wow I dont post often but you guys are awesome.Thanks Jason,Don,Robert and Gordon.You guys hit it on the head even though I could ground vent solenoid at pcm connector and make it work running a new wire enabled the pcm to control solenoid.Im sorry I did not t... Trouble codes: P0449 (Evap vent control solenoid circuit).
2007 Chevrolet Express 3500 6.0L p/s pump VIN: 1GCHG35UX7
Thanks to the five that replied. a longer belt was not available. A new oem pulley was the spoke design. instead of solid. installed new oem pulley and advised customer. thanks again. Bob
2007 Chevrolet Silverado 1500 LTZ 5.3L right front end sensor VIN: 1GCEK19027
The customer left with the vehicle after the post. I was unable to check under the driver seat or replace the sensor. He is an older man that doesn't go out a lot in winter. I am told I need to close this. Sorry I was unable to post a repair. Thank You for...
2010 Chevrolet Malibu LT 2.4L Flooded on starting VIN: 1G1ZC5EB9A
Thanks for all the response to this problem, and we finally got it repaired. Although we tested the Purge Valve with the Scan Tool, we removed it and bench tested it. We could then see it was not closing completely. Replaced it and the vehicle started and ran ... Trouble codes: P0172.
2001 Chrysler PT Cruiser Limited 2.4L timing belt VIN: 3C4FY4BB91
I am going to close this w/a fix. I got LOTS of good advice on this , but I bailed out on this and sent it to someone that has done about 2 dozen of them . My advice is to NOT take one of these in for a timing belt job !
1991 Ford F700 6.6L Mechanical VIN: 1FDWK74P4M
1998 Ford Explorer Eddie Bauer 4.0L Poor Idle Quality VIN: 1FMZU34E6W
Relocating the existing IAT sensor worked fine. The newer air intake duct is the exact same as the old one EXCEPT is doesn't have the hole for the IAT sensor. I just zip tied the old IAT to the harness attachment on the new duct. The intake gaskets were leakin... Trouble codes: P0171 (p0174-), P0174.
2007 Ford F-550 Super Duty XLT 6.0L oil VIN: 1FDAW56PX7
Customer finally authorized us to replace the timing cover gasket. I was able to find a spooge on the high pressure side of the gasket, so that made me feel more confident. If anybody hasnt done one of these before and is in the same place trying to figure o...
2003 Hyundai Elantra GLS 2.0L Won't run monitor VIN: KMHDN45D03
Sorry for taking so long had to wait for the custermer to bring the car back.John from New York got it right, The problem is the fuel tank pressure sensor. If you check the reading with the ignition on you will see the voltage is off.With gas cap off it was st...
2007 Jeep Liberty Limited 3.7L Abs module VIN: 1J4GL58K67
Thanks to everyone who posted. I talked the customer into buying at least a used abs module and connector i found off another jeep in the junkyard that was a year older. Everything matched up fine and the car is fixed. The original harness was corroded right u...
2007 Lincoln Town Car Signature Limited 4.6L Poor Idle Quality, MIL Lamp on VIN: 1LNHM82V17
First Thank you everyone for your insight and ideas for me and this problem.It appears that the wiring failure must have taken out the internal ground on the pcm called the signal return wire (gray/red)colored wire.I did find the battery ground on passenger cy... Trouble codes: P0193 (Fuel rail pressure sensor circuit A high), P0340 (Camshaft position sensor A circuit), P0453 (Evap pressure sensor/switch high), P0533 (AC pressure sensor A high), P0643 (Sensor reference voltage A high), P1289 (Cylinder head sensor circuit high).
1999 Mercedes-Benz C230 Kompressor 2.3L Poor Idle Quality, Surge, Stall VIN: WDBHA24G9X
thank you for all the replies. Sent computer out for repair or replacement . Compression was good, cam sensor wasn't related and super charger was ok. We ruled out all possibilities and that led us to ecm . thanks Trouble codes: P1235, P1236, P1525, P1420, P0446.
2008 Mini Cooper Clubman 1.6L Mechanical VIN: WMWMM33518
Hi every one and thanks for all of your advice! I did found my problem and I posted a tech tip about it. I invite all of you to take a look at it and leave comments!
1984 Pontiac Fiero 2.5L Fuel Tank VIN: 1G2AM37R5E
First off thanks for all the replies. We followed up on all of them. Shipping was the biggest issue. We found one on kijiji.ca and had it picked up down country! Gas tank will likely be worth more than the whole car! Thanks again, Mat
2008 Suzuki Reno 2.0L Tranmission cooler lines VIN: KL5JD66Z78
Customer took car back to selling dealer and they replaced the copper washers again, but somehow they got the leak stopped. I don't know what they did different than I did.
2001 Volkswagen Beetle GLX 1.8L Cooling Systems VIN: 3VWDC21CX1
It seems that this vehicle has been fixed. It was a very intermittent problem but it has been gone from my shop now for over a week. The return tube was not flowing back to the reservoir because the small plastic restrictor in the line was clogged with what ap...
2008 Volvo S60 2.5T 2.5L Drivers blend actuator VIN: YV1RH59248
First off, thank you to all who replied. As I thought, a new Climate Control Module and a reload from VIDA did the trick on this one. All codes are remedied and operation of the drivers side blend door restored.
Prev (Also Available: All, Asian, Chrysler, European, Ford, GM.) Next