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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for September 5, 2014
International Automotive Technicians' Network (iATN) - Members Only
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Open Help Requests for All Makes and Models
Help Request Answers
2003 Cadillac CTS 3.2L calipers VIN: 1G6DM57N83
Car came in for wheel bearing noise, howling from Left rear. Easy enough. Noticed it needed pads and rotors all the way around too. Slam dunk. New moog hub bearing assy., quiet as a mouse, new pads and rotors all the way around, only now, all 4 brakes drag all...
1967 Chevrolet Camaro 5.7L shudder not sure
pulling away or backing up only at low rpm about 1500rpm,1st & reverse only , shudder's very bad but not every time , no vibration when driving , u joints ok , engine mounts ok, put a new clutch in it cut the flywheel nothing looked bad but replaced it anyway ...
2006 Chevrolet Tahoe Z71 5.3L Fuel Gauge VIN: 1GNEK13Z16
Hi All, We have this 06 Tahoe in for leaking fuel out of a rotted sending unit but the fuel gauge worked fine. We at first replaced the module with an aftermarket one and transferred the original level sensor over. The gauge read empty. Put 5 gallons of gas in...
2011 Chevrolet Express 3500 6.0L A/C Comp VIN: 1GB3G2BG4B
This is a cutaway bus with a carrier system in it yes i know i should have replaced the expanison valve but couldnt get one at the time now i have a noisy compressor again could a slightly plugged up expanison valve could the compressor to be noisy
2001 Dodge Ram 2500 8.0L MIL Lamp on VIN: 1B7KF23W91
Hello all I have this pickup back again with the original P0442 evaporative emission small leak detected. I have had the fuel tank partially down and smoke tested it separate from the rest of the system. Nothing showing with smoke test, system is showing seal.... Trouble codes: P0442 (Evaporative emission small leak)
2006 Dodge Sprinter 2500 2.7L Hesitation, MIL Lamp on VIN: WD0PD14456
Vehicle Complaint No Acceleration . On Road test, confirmed. First scan pulled 22 codes.. cleard and Reset. 2 codes came back after key cycle P2025 Intake Press Sensor High and P2511 EGR Circut. Check DVOM Intake press sensor KOEO... 5v ref, Grd ok , signal ... Trouble codes: P2025 (Intake Pressure Sensor Too High), P2511 (EGR Circut High)
2008 Dodge Ram 3500 Laramie 6.7L Surge VIN: 3D7MX38A08
R/T and the the TC locks and unlocks rapidly and then trans goes into limp mode then you get 1st and 4th gear. When you shut the truck off it resets until you get up to highway speed. With the scanner it shows the command to the TC changing. When trans goes in... Trouble codes: P1011, P0087, P000F, P113C, C1402
1998 Ford Ranger XLT 3.0L 1-2 &2-3 up shift VIN: 1FTYR14U8W
taking off from stop shifts into 2nd gear under normal acceleration 1/4 to 1/3 throttle in about 50 to 100 feet and into 3rd gear in about another 50 to 100 feet.
2000 Ford F-150 Harley-Davidson Edition 5.4L Poor Idle Quality, Hesitation VIN: 2FTRX07L1Y
I did not have much time on the vehicle, but 171 & 174 codes do appear on the code reader. I have a lean condition on both banks. I am not formiliar on reading fuel trim. I read the MAF could be the problem or a source of vacuum leak. If someone could direct m... Trouble codes: 171 (Lean), 174 (Lean)
2002 Ford Ranger XL 2.3L heater blower VIN: 1FTYR10D92
ok help i have an 02 ford ranger ,came in with no blower op. I found a blown fuse at central fuse box in cab the fuse # is 2,2 i replaced the fuse and blower ran fine. Now is when it gets fun i went to alldata and checked to see what all is on that fuse and di...
2003 Ford F-150 Lariat 5.4L Recirc - Door VIN: 1FTRX18L13
So customers complaint is that on MAX AC the Fan doesn't "kick up" we found that the Recirc. Door is staying open at times and not closing correctly not turning on the recirc. So after pulling down the glove box we confirmed the door moves smoothly so we are ...
2007 Ford Edge SEL 3.5L Misfire VIN: 2FMDK49C67
Vehicle is shorting coils suspect bad coil driver in PCM is there a good place to buy reman or have repairs done, lots of places on the web but have never used any of them. just seeing if any one has a recommendation over new OE Thanks for the info David Trouble codes: P0300, P0301, P0302, P0351, P0352, P0354
2009 Ford Flex SE 3.5L MIL Lamp on VIN: 2FMDK53C89
Hello, Fellow technicians 2009 ford flex has code for the 2nd fuel level sensor. P2068 First time it came on the another shop had cleared the code. a week and 1/2 later it is on.(intermittently). using scan tool operated the fuel gauge-gauge is OK. Replaced th... Trouble codes: P2068 (fuel level sensor circuit high), B2627 (2nd fuel level sensor)
2005 GMC Sierra 2500 HD SLE 6.6L No Start VIN: 1GTHK23205
We have no injector pulse at injectors. We have tried a known good crank sensor with no luck. Voltage 1 circuit(s) into FICM is battery voltage, 12.4v, KOEO. Voltage drop on grounds at FICM is less than .09v. Injector supply voltage from FICM is 3.5v on connec... Trouble codes: P0089, P1093 (Fuel rail pressue low under load.)
2007 Hyundai Azera SE 3.8L low power VIN: KMHFC46F47
I have this 07 azera that has very low power and setting p0101 maf ckt range perf dtc.New maf seems to be reading near double or triple what it should so its pouring the fuel to it and the downstream o2's short term adaptives are going way negative(-25 at time... Trouble codes: P0101
1995 Isuzu Rodeo LS 3.2L Electronic VIN: 4S2CK58V2S
have no power going to a/c compressor. changed triple pressure switch on dryer. no change. not getting single from ecm. test a/c relay and therm. relay. both test good. if I ground therm. relay compressor will come on.don't know how to test evap. temp sensor. ...
2008 Jeep Patriot Sport 2.4L Mechanical VIN: 1J8FF28W08
thanks in advance jeep came from another shop. there is heavy rattle noise coming from inside timing cover more lead to lower side.sound like something broken in side.noise on off on off jeep runs fine no code.my thought possible som in oil pump in pan I remo...
1999 Nissan Pathfinder LE 3.3L Misfire, Poor Fuel Economy VIN: JN8AR05Y5X
Here is a fun one.. The Pathfinder was towed in for a no start condition. Discovered the distributor bearing failed, so I replaced it with a new one. The truck ran well at idle and cruise, but had a part throttle stumble. The customer stated it was doing that ... Trouble codes: P0304 (Cyl 4 misfire)
2011 Nissan Versa SL 1.8L MIL Lamp on VIN: 3N1BC1AP9B
I found and repaired the wiring for the control circuit of the PCM between IPDM and PCM, then had communication with PCM, SRS, and ABS only. Further testing took me to replace BCM, now had everything but TCM. After programming car would start and run but hard ... Trouble codes: P2100 (Throttle Motor Control Relay), P2101 (Electric Throttle Control Function)
1999 Pontiac Firebird Formula 5.7L Speed Sensor VIN: 2G2FV22G8X
First, Thanks to All who will take time to read this. Have Code C0040 R/F speed sensor circuit. Replaced R/F Speed sensor, cleared code. The code immediately returned. I have checked continuity of the harness from the speed sensor up to the EBCM, with both end...
2004 Pontiac Grand Prix GT2 3.8L blower VIN: 2G2WS52254
I have a blower that fails to start from time to time. The bushings are squeaky, and rusty. If I tap on it, or spin it by hand it tends to start running, or runs for a seconds,and turns back off. I have a new motor ready to install, and I know about the bullet...
2006 Pontiac G6 GT 3.5L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G2ZH558X6
This has a slightly rough idle. But at 1200 rpm #2 cylinder misfires with out a load on it. Put it in gear, bring the rpms up and it has no misfire. Anyone have any ideas? Trouble codes: P0300
2003 Saab 9-3 Linear 2.0L CIM Module VIN: YS3FB49S23
Attention Saab Techs!!!This vehicle was towed in with damaged key and it was the only key the customer had. So we ordered a new CIM module and 2 new keys from dealer. While programming the CIM,everything goes ok until we try to program the two new keys. We get...
2006 Saturn Vue 2.2L engine VIN: 5GZCZ33D36
Car came in with what the customer described as a misfire, engine noise, and shaking. I could only duplicate the engine noise. It sounds like a diesel after it gets hot. Noise sounds like it's coming from the timing chain area. I took the valve cover off and t...
1997 Toyota Tacoma DLX 2.7L Engine VIN: 4TAPM62N8V
Failed block test so did head gasket.head was resurfaced n pressure checked.also new thermostat and truck still runs hot at expressway speeds.is this a vehicle that is hard to bleed air from cooling system? does this waterpump have a platic propellor?
2008 Toyota Corolla S 1.8L MIL Lamp on VIN: 2T1BR32E68
car came in three weeks ago with the MIL on code p0456 (very small EVAP leak). I advised customer to go to the dealer to update pcm to start per TSB. Customer went to dealer and they sold her a canister and gas cap. A few days later the MIL came back on so the... Trouble codes: P0456
2012 Toyota Camry LE 2.5L Hesitation, Misfire VIN: 4T1BF1FK7C
this vehicle acts up intermittently usually worse when cold, accelerating, it feels like and ignition misfire or a trans shift problem, a vibration or chuggle, fairly then settles if you accelerate harder
1976 Volkswagen Super Beetle 1.6L Excessive Emissions, Hesitation
Vehicle died while driving, fuel tank plugged with massive amounts of rust. Replaced tank, multiple filters. Fuel pressure/volume good. Compression 150 psi on all, valve lash set. Engine will not rev past 3000 rpm w/o cutting out. Air flow meter passed prescri...
2005 Volvo XC70 2.5L 3-4 VIN: YV1SZ592X5
Hello volvo guru's. I am having difficulty locating pressure ports to test line pressure. This vehicle runs and drives fine. once car sits for couple minutes and is restarted it will slip into 4th gear. trans temp must exceed 70 c . no codes in any of the modu...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2000 Audi A6 Quattro 2.7L Poor Idle Quality, Misfire VIN: WAUED24B8Y
thanks for the help guys- this is a [...] to it. We will be testing the wire harness the good old fashioned way as most suggested- not worrying about the factory break out box. Thanks, ...
2003 Audi A6 Quattro Avant 3.0L Fans VIN: WAUVT54BX3
To clarify power was only supplied to the main battery source input of the module as it would be plugged in, not applied to the pulse width signal from ECM. Anyway with all of the wiring diagram discrepancies it was difficult to accurately trace the wire from ...
2011 Buick Enclave CXL 3.6L driver seat heater VIN: 5GAKVBEDXB
you guys are right and confirmed my thought, though when i sent it to the dealer they said i needed a window switch, told'em if that is so they can warranty the one i just put in,,,changed the mind real quick and got it programmed and sent back to me right way...
1957 Chevrolet Bel Air 4.6L Differential
Thanks to everyone who replied all of it was very helpful. Big special thanks to Arnie (who provided all info sent by, fax) and Jake who also sent detailed info in his replay. Thank you IATN. Now all I have to do is see if customer wants us to install a 700R4 ...
1996 Chrysler Sebring JXi 2.5L Hard to fill fuel VIN: 3C3EL55H6T
Thanks to all who helped. OE filler neck fixed it. The 1/2" vent tube in the aftermarket neck was flimsy enough that, once installed, the force from being trapped between the top of the neck and the stop in the tank was compressing it. After a month or so, it ...
2008 Chrysler 300 Limited 3.5L timing cover VIN: 2C3KA33G58
thanks for the help. quoted a water pump job, customer found car was still under warranty so the took it to the dealer.
2006 Dodge Grand Caravan SE 3.3L Engine VIN: 1D4GP24R36
I tired new plugs switching the injector around new wires a coil pack and the customer told me yesterday by the way a few months back it blew the rad out noow I am wondering if it has the start of a blown head gasket I didn't check for that because of the low ...
2007 Dodge Caliber SE 2.0L Ac Operation VIN: 1B3HB28B37
Used car dealer decided to send this one back to wholesale. I will not being seeing this one again. Wish I would have found out the cause of this issue.
1988 Ford F-150 Custom 5.8L No Start VIN: 1FTEF14H5J
Rechecked system had to replace coil and module at same time, didn't think both parts would be bad at same time. Thanks for all the help
2004 Ford F-350 Super Duty King Ranch 6.0L No Start VIN: 1FTWW33P94
First off thanks for all the replies, this truck is fixed and runs great. After getting access to ICP and air charging the oil system with my "homemade" fitting we found no leaks so decided to go with a new ford high pressure oil pump which took care of thee n...
2001 GMC Sierra 1500 SL 4.3L Misfire, MIL Lamp on VIN: 1GTEC14W11
I want to thank each one of you that offered help in my request. This vehicle is partly fixed. Like I mentioned before, all the injectors had been replaced with the upgrade unit. Ignition coil, crankshaft sensor with shims (4) distributor, maf sensor, map sens... Trouble codes: P0300, P0301, P0304.
1996 Honda Odyssey EX 2.2L horn VIN: JHMRA1871T
Thanks to all who offered help. It confirmed my suspicions of where the problem lay, but unfortunately none of the suggestions reawakened the horn. I verified that the rack was indeed attached to the body through rubber mounts, but installing a jumper groun...
2003 Honda Accord EX 3.0L Lighting VIN: 1HGCM66503
After going over the TSB in Alldata I sent the vehicle to Honda for repairs. My friend at the Dealer said "thanks" He'd never seen the TSB before but I sent it to him and said to me they were going to swap a known good before calling it failed.
2003 Honda Accord LX 2.4L Poor Idle Quality, Surge VIN: 1HGCM55313
Thank you to Sam for answering the question. We thought this thread would be a useful FYI for anyone with a no code, no vacuum leak, no cold idle valve fast idle issue. Thanx for taking time to read the post and respond, but please read the post. Yes, a "new... Trouble codes: P0341 (Cam/crank correlation).
2008 Honda Accord EX 2.4L A/C Clutch VIN: JHMCP26838
Okay fellas. It appears that the throttle body cleaning fixed the original problem. I guess the actuating throttle body is more precise in measuring and carbon build up makes it unhappy. Later days guys. Thanks for all the great knowledge.
2006 Land Rover Range Rover Sport HSE 4.4L unknown VIN: SALSF25416
I don't know of a easier fix that I've had in 45 years. but the battery fixed.. check charging system it was good. thare were no codes. thanks
2004 Mini Cooper 1.6L Ignition system VIN: WMWRC334X4
This car has been sitting for the last 2+ weeks. The shop owner has decided to spend no more time (not that I had a lot before)and is letting the vehicle owner take it. I know there is a wiring issue and possibly a DME as well. Both coil and injectors have p...
1997 Nissan Altima GLE 2.4L MIL Lamp on VIN: 1N4BU31D7V
You guys right it had two codes EGR Solenoid & Knock Sensor. Replace Thermostat Drive Monitors Between 55 Mph & 65 Mph , Do Not Drive Below 55 Or Over 70.It Only CAT Monitor Not complete But It Pass Smog Inspections. Thank You All You Guys replies to Me Very ...
2005 Nissan Altima S 2.5L Pressures VIN: 1N4AL11DX5
Ok, well it is finally fixed, we had done several of suggestions that we recieved in emails and one post i had read basically got us going and it has been out now for over a week without any issues, we performed a normal vacuum and instead of charging like nor...
2002 Oldsmobile Bravada 4.2L No Start, Misfire VIN: 1GHDT13SX2
Calling this one fixed. I ended up replacing all the coils, although the failure pattern seemed to be a little abrupt, it has not returned. I still am somehow hoping the coil failure did blow the fuse. I have checked, double checked and triple checked the ...
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