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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for March 17, 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
2003 Chevrolet Silverado 2500 6.0L Slow starting VIN: 1GCHK29U53
Truck will not do it every time,runs good no codes,will always start just cranks longer at times,seems to do it more often in warmer temps,teck two shows evverything is ok
2003 Chevrolet Tahoe LT 5.3L Evap[ fail VIN: 1GNEK13Z33
Ok guys, Just need a second opinion. If I am seeing vacuum in the tank and the purge and vent are working fine, commanded and responding per spec. I am suspecting faulty Fuel tank pressure sensor?? Any help is appreciated. Thanks!
2007 Chevrolet Silverado 1500 Classic LS 4.3L engine VIN: 1GCEC19X77
Ok, feel like an idiot here, guys, but Ive got to be missing something. Installed a new jasper engine in this truck, and it refuses to start. Timing is set, timing light verifies #1 plug sparking at 0 degrees TDC, by the upper timing mark. It seems to be getti...
2011 Chevrolet Silverado 2500 HD LT 6.0L Pulles to right VIN: 1GC2KXCG1B
Customer had at dealer, they could not find anything wrong or out of alignment. We swapped front tires side to side, checked alignment, did minor caster adjustment. Road test still pulling to right. Not sure if more caster or less caster would help for road cr...
2005 Chrysler Sebring Limited 2.7L MIL Lamp on VIN: 1C3EL65RX5
LTFT raise to +33 on both banks at idle and under load (cold or warm). Pending codes set within 30 seconds of engine running, check engine light illuminates on second drive cycle. Engine idles smoothly. Very slight hesitation present on acceleration, though po... Trouble codes: P0171 (System too Lean Bank 1), P0174 (System too Lean Bank 2)
2007 Chrysler Town & Country Limited 3.8L brake lights VIN: 2A4GP64L47
Hello all, I have a 2007 chrysler town and country that the rear brake lights do not work. The center brake light however does work which is telling me the brake light switch is working. I thought it could be the turn signal switch. Tried to put a new one in a...
2006 Dodge Ram 1500 ST 3.7L No Start, Wont crank VIN: 1D7HA16K76
Howdy Y'all, This 2006 Dodge Ram 1500 v6 was towed in as wont crank, Customer wanted to replace starter. He had replaced battery. I was able to jump the solenoid on starter and would crank still no start. No codes and NO COMMUNICATION W ecm or tcm. When I test... Trouble codes: B2107 (key not identified found in Instrument cluster codes), U0100 (No communication w/ecm), U0101 (No communication w/tcm)
2007 Dodge Ram 2500 TRX4 5.9L Speed Control VIN: 1D7KS28C77
Cruise surges when truck is on slight down grade. App sensor 1 ok, app sensor 2 shows little noise pattern, torque converter staying locked. Rpm , crank and cam ok, shows wavy pattern when acting up , appears due to surge not causing surge. No bullitins, or re...
2007 Dodge Grand Caravan 3.3L data link VIN: 1D4GP23R07
vehicle was brought in for a new york state inspection we have too hook up to the data link and new york has too run a test for code`s and functions and it comes back that there is no rpm signal.then we checked with a snap on solus scanner and we read rpm data...
2008 Dodge Avenger SXT 2.4L ignition switch VIN: 1B3LC56K28
Hey guys, this car is acting funny. has a huge drain on it, goes dead overnight. starts ok and runs fine, when you try to shut engine off it stays running with key out for about 5 sec until like runs out of fuel. I bet if I was to add propane it would keep run...
2012 Dodge Avenger R/T 3.6L No Start VIN: 1C3CDZBG1C
Customer states the engine will have extended cranking when cold or after the vehicle sits for over one hour. Replaced fuel pump due to low amperage at fuel pump. After replacement of fuel pump engine still has extended cranking. Inspect spark plugs good, no c...
2002 Ford Taurus LX 3.0L MIL Lamp on, high idle VIN: 1FAFP55S42
Car came in for state inspection and of course mil is on. Pulled P1506-IAC overspeed. Car is idling at 1200 rpm. test iac and it is working. Smoke test for vacuum leaks, and found smoke coming from egr valve and rubnber elbow on one of the valve covers. Replac... Trouble codes: 1506 (iac overspeed error)
2002 Ford Focus LX 2.0L Poor Idle Quality, Surge, MIL Lamp on VIN: 1FAFP33P42
high every body, thanks for your time and help, I have this 02 ford focus that customer replaced air flow sensor, and rear O2 sensor, the problem is the engine always is running lean, when I started to check, long ft was on 35. did the computer reset by scanne... Trouble codes: P0171
2004 Ford Taurus SES 3.0L ABS module VIN: 1FAFP55U94
Car came in with code B1342 (and other codes listed), reset code after clearing, manual instructs to replace ABS control module. Searching archives I see that new module must be flashed to match vehicle. What about a used module? Will it work as is (no flashin...
2005 Ford F-150 FX4 5.4L Poor Idle Quality, Hesitation, Sluges VIN: 1FTPW14545
the truck came into us running (really bad) with a blown head gaskets and milk shake oil but no lower end noise and lot of codes. we pulled the heads off sent them in and completed the job after we started truck up after head gasket repair truck running ran go...
2008 Ford Explorer XLT 4.0L engine compression VIN: 1FMEU73E58
customer had vehicle towed in turned engine over no compression sound in engine, engine freewheeling remove cly 5 spark plug no compression. remove valve covers no obvious problem in chain area. turn engine over to check chain action no resistance when turning...
2008 Ford Ranger XLT 4.0L Hesitation, Cuts out VIN: 1FTYR15E78
This pickup truck has me scratching my noodle and i am looking for some direction here. The truck has to be fully warmed up for this to happen and only happens once maybe twice during a drive period. I start the truck let it run for 15 minutes to get warm, the...
2013 Ford Focus SE 2.0L Bcm VIN: 1FADP3F29D
So, this is my stumper for the month: I was called in on this 2013 Ford Focus. The keys do nothing observed - no RKE, no PATS and no key-on response. Cluster stays dark, dome stays off. However, though the IDS, there is function on all the modules other than ...
1995 GMC K2500 Suburban SLE 7.4L Poor Idle Quality, Surge, Cuts out, Stall, Misfire, VIN: 1GKGK26N6S
Hello to all and thanks for any help in advance! What we have here is a very strange situation. The vehicle when started cold will run like crap... spits, coughs, sputters, wont idle. No check engine lamp, no codes stored. If you can keep the engine running lo...
2006 Honda Accord EX 2.4L Poor Idle Quality, VIN: 1HGCM56806
Hi guys have a bit of a head scratcher. This Honda came in with fuel trims up in the +25% short term +11% long term. did all of the standard vacume leak tests with smoke and carb clean. no difference. adjusted the valves, replaced air flow meter, checked the a... Trouble codes: P0171
2006 Honda Civic Hybrid 1.3L No Start, Hesitation, Surge, Cuts out, Stall, MIL Lamp on VIN: JHMFA36286
as driving the check engine light comes on and speed drops to zero and vehicle begins to surge and hesitate, then brake system and iam lights come on than vehicle stalls. usually will not restart unless disconnect battery for a few minutes and reconnect. if ve... Trouble codes: P060A, P16D5, P16D6, B1169, 86 (lost communication with pcm), 2102
2001 Jaguar XKR 4.0L No Start VIN: SAJDA41B71
OK all you Jaguar techs out there. I have two of these that I work on from time to time but nothing other then LOFs and inspections and general stuff. This one appears to need a fuel pump or two. I know these things can be picky about the type of parts you put...
2005 Jaguar Vanden Plas 4.2L MIL Lamp on VIN: SAJWA82C55
Hi need some assistance from the jag techs out there. This car came in for a simple headlight replacement. In the process the tech broke a ground lug behind the pass headlight. Then started the car up and drove it out waiting for parts not realizing that all t... Trouble codes: P1637, U2521, U2523, P1799, P1774
2007 Jeep Wrangler Unlimited X 3.8L wheel speed sensor/circuit VIN: 1J4GA39127
trouble code c1015 ohm tested wheel speed sensor ohms out open replaced sensor 2days later abs light on with same code. second sensor failed. install new sensor /2days later abs light on sensor ohms out at 1.95 data reads 0 mph on scanner. code will not clear ...
2006 Land Rover Range Rover HSE 4.4L MIL Lamp on VIN: SALMF15476
Hi need some assistance from the rover/ jag techs this rover had leaking valve covers we replaced both valve covers and gaskets with Oem parts. After it had the lean codes p0171 p0174. At idle fuel trim spikes to 20% when revved fuel trim drops to 5%. I smoke ... Trouble codes: P0171, P0174
2008 Mercedes-Benz GL320 CDI 3.0L No Start VIN: 4JGBF22E78
This vehicle was brought to us last week with this under boost code, but running fine according to the customer. I followed the diagnostic flow chart on MBstar. We smoke checked the charge system for leaks and none were found. I removed both the catalytic conv... Trouble codes: P2359
2012 Mercedes-Benz Sprinter 2500 3.0L Main Fuse Box VIN: WDYPE8CC3C
Can someone let me know what all is on fuse #16 in main fuse panel under left side of dash. On demand and Mercedes owner manual only states terminal 87 of which realy or module???. No other info about what is on that fuse. It blows the second the key is turned...
2007 Nissan Maxima SL 3.5L abs, VIN: 1N4BA41E87
Need nisson cvt guru. I am the third person on this job. Car came in with no lights and vehicle would not go over 50 with out ten miles of straight road. drove like a pluged cat. Was told first shop "dealer" told him needed abs module. code scan brought up abs...
2009 Nissan Titan PRO-4X 5.6L Misfire VIN: 1N6BA07C89
Checked engine compression & found all cylinders between 165 &170 found compression gauge getting wet on right bank while checking compression vehicle burned 5 gallons of gas in 30 minutes in stall found a massive exhaust leak on right exhaust manifold. Replac... Trouble codes: P1421 (Cold start control)
2000 Plymouth Neon High Line 2.0L No Start VIN: 1P3ES46C0Y
so car runs good and im fixing to go buy some new tires. I decided to go drive it some more, 7 miles into my drive car stalls. no start now and will not attempt to fire. so towed it back checked timing marks-ok compression- 155psi on all cylinders. got good no... Trouble codes: P0340 (Cam sensor not seen by pcm)
2002 Porsche 911 GT2 3.6L Cam timing VIN: WP0AA29982
Was into this vehicle for other issues, and while the engine was out, it was decided to replace the IMS bearing as preventive maintenance. Picked up the Pelican IMS kit along with the LN Engineering tool set. Was going to lock down bank 1 & TDC with tools, but...
2000 Subaru Outback 2.5L Power assist VIN: 4S3BH6657Y
Recurring problem with vehicle. Vehicle was non-runner on drop off, steering untested prior to major repairs. Initially leaking fluid from pinion - both boots ripped. Rack rusted internally. Replaced rack with Maval rebuilt unit - lacked all power assist. Repl...
2000 Toyota Tundra SR5 4.7L Front differential actuator VIN: 5TBBT4416Y
Please help, no more hair left! The 4wd lights blink on the switch and the dash. This has the switch in the dash with 4wd and 4wd lo. Works fine between 4 lo and 4 hi, just won't come out of 4 hi to 2 hi. Replaced front diff actuator and even tried another 4wd...
2000 Toyota Tacoma DLX 3.4L No 4th gear VIN: 4TAWN72N9Y
HELP!!! This one I;m reposting because it looks as though I've been going in the wrong direction. There are 2 speed sensors on this trans, one going to IC and then to trans its fine and one they call an output speed sensor, which test good, but reads in the da...
2005 Volkswagen Jetta 2.5 2.5L fuel pump relay A3/relay 3 VIN: 3VWDF71K85
Hi everyone and thank you for your help.I have this 05 jetta 2.5.The problem i'm having is that the fuel pump relay A3/R3 is not receiving the signal from the ecm.car came in not running and was bought in the auction and the owner has never seen it run.I'm not...
2003 Volvo S40 1.9L MIL Lamp on VIN: YV1VS27573
this car came in with dsa failure codes 61 and 91. initially i could not find a problem. i replaced the dsa solenoid on the top of the valve cover. changed the oil. few days later same codes came back. i could not find an issue. i exersised the solenoid and he... Trouble codes: 91 (dsa failure), 61 (camshaft reset valve faulty signal intermittent)

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2001 BMW X5 4.4i 4.4L MIL Lamp on, trans fail safe VIN: WBAFB33571
Finally after going in circles, That ABS module was the problem. We had diagnosis the ABS right off, sent it out for repair, it came back, they said it was fine, we then got a 3rd scanner still no CAN bus communication, we then disconnected the DME and the C...
2005 Chevrolet Express 1500 LS 4.3L tcc VIN: 1GCFG15X45
Thank you all who offered input. Seeing as the customer is not a "lets try this and hopefully it fixes it" kind of customer, I was not willing to replace the TCC solenoid and PWM TCC solenoid, with the possibility that the bores in the valve body are worn due ...
2000 Chrysler 300M 3.5L Excessive Emissions, Misfire, Long crank time VIN: 2C3HE66GXY
after determining that the computer is most likely candidate I told the customer he said he was going to order and replace the computer himself. after finding the burnt area in the plug to the computer I feel confident that the computer will be the final solut... Trouble codes: P0340, P0112.
2005 Dodge Grand Caravan SE 3.3L no communication VIN: 1D4GP24R25
Well it's been two weeks now without an issue so I'll say we fixed it guys, tried everything I was offered, checked the wireing to slideing doors, [manual], disconnected then pluged in known good IPC, PDC, FCM, checked wireing at ABS modual, checked wireing to...
1999 Ford F-350 Super Duty Lariat 5.4L Cracked Case VIN: 1FTSX31L5X
Well, I returned the truck to the customer and he has driven it for about 200 miles so far. We replaced all the mounts and also the drive shaft. Now the drive shaft was very hard to find but there was a redesigned drive shaft available that we installed and ...
2002 GMC Sierra 2500 HD SL 8.1L MIL Lamp on VIN: 1GTHK23GX2
2001 Hyundai Elantra GLS 2.0L Unknown VIN: KMHDN45D41
Ok this is the deal didn't want to buy a ECM without more testing so I sent the ECM out to be check to bba remanf. Pin 79 turned out to be the cuspid so had them fix the ECM put back in the car and ran the evap self test though my modis ultra and it passed t...
2005 Land Rover Freelander SE 2.5L Surge, Cuts out, Stall, MIL Lamp on VIN: SALNY22245
Iam putting this in the closed section, I know this doesnt help for future repairs, But I would rather tell it like is than to lie to keep a good rating.,Cust sold car. Thanks Mark Trouble codes: P0261 (Injector power stage cylinder 1), P0302 (Missfire cylinder 2), P0301 (Missfire cylinder 1).
2007 Mercedes-Benz R350 4Matic 3.5L Rear Air Ride VIN: 4JGCB65E97
Thank You all On the Great input. We did replace the valve under the right headlight. For some reason my boss would put off replacing it. But its fixed now and gone. Thanks again for all your time. Andy
2007 Mercury Mountaineer Premier 4.6L Converter VIN: 4M2EU48837
We serviced the transmission (new filter, flushed the fluid with our Trans Tech Machine) and it drives perfectly fine now. There has been over 1,000 miles put on the vehicle since we did that and it drives great.. Thanks IATN
1997 Saab 900 S 2.3L Speedometer VIN: YS3DD38B8V
Well guys, this ended up being a chewed up ground wire. I checked the module for power and ground, and found the module did not have ground. I traced the wiring to a chewed up ground cable on the firewall. Lesson, get a compatible scan tool that can pull cod...
2006 Saab 9-3 Aero 2.8L door lock VIN: YS3FH71U06
Thanks guys for the help- we have the Tech 2 and Candi adaptor but as far as we could see it requires access to tis which we didn't have currently. We opted to send it two blocks to the Chevy dealer to assign the switch. Thanks again! Greg and crew
2008 Saturn Astra XR 1.8L MIL Lamp on VIN: W08AT27158
All testing and inspection leads to a bad MAF again going to put on a OEM MAF upon customer approval due to price difference between new and remanded. Trouble codes: P1101 (Intake air flow system performance).
2000 Subaru Outback Limited 2.5L MIL Lamp on VIN: 4S3BH6869Y
2000 Toyota Tacoma DLX 3.4L 4th Gear VIN: 4TAWN72N9Y
I'm going to have to repost this rig, looks as though this VSS signal is for ABS and uses the speedo speed signal for the trans. We tried a new ECM and still no 4th gear. We can induce 4th with scan tool and unplug solenoids at trans and also get 4th gear. So ...
1995 Volvo 960 2.9L Brake Lights VIN: YV1KW9616S
Thanks guys- one of those easy fixes that took too long- the right hand tail lamp housing was the issue- one of the bulb holders had shorted. Greg and crew
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