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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for June 27, 2013
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
2007 Audi Q7 Premium 3.6L MIL Lamp on VIN: WA1BY94L97
Thank you for reading this and any input you may have in advance. The car was dropped off at the body shop to have the front bumper cover painted.After the job the car run poorly and the check engine light was on with code p0088.The body shop took the car to ... Trouble codes: P0088
2003 BMW 330Ci 3.0L Electronic
This is a first time customer, after driving for about 60 miles the EML and TRAC, and BRAKE light will come on. Scanned brake controller and got code 5E19-can I data error from DME/DDE, of course there is no info on all data for this code. Check other posts no...
2004 BMW 545i 4.4L MIL Lamp on VIN: WBANB33564
Code coming after 2nd trip air pump works we check flow ok. Also flow air to heads Trouble codes: P0491 (Secondary air pump bank 1)
2006 Buick Allure CX 3.8L No Start, Stall VIN: 2G4WF58206
Calling all GM techs this one has me stumped! Going back about 2 months this car came in as a no start. The powertrain relay wasn't working. I found a broken brown wire by the valve cover and was good until recently. Now the car at times will stall, sometimes ... Trouble codes: U1016
2006 Cadillac CTS V 6.0L Unknown VIN: 1G6DX67D16
This is a supercharged northstar STS-V, the decoder got it wrong. New purchase and car will show reduced engine power and then starter locked, throttle problem. Customer got out and unhooked battery and all is well, has done this several time lately so i got t...
1999 Chevrolet K1500 Suburban 5.7L No Start VIN: 3GNFK16R8X
This vehicle came in for a no start, I check for spark at coil spark ok, check for spark at plugs spark ok. Check for fuel pressure 65psi and 60 cranking. Check for injector pulse, pulse ok and power feed wire ok. Check vacuum while cranking has some vacuum. R...
2000 Chevrolet Impala LS 3.8L Poor Idle Quality, MIL Lamp on VIN: 2G1WH55K4Y
I don't know which to tackle first. I have the misfire issue and also cooling system pressure pegs the scale on my stant raditor pressure tester, only after it warms up though. It takes about 5 minutes or less for the pressure to hit danger zone. Used co detec... Trouble codes: P0306 (Cyl. 6 misfire)
2003 Chevrolet Silverado 1500 4.8L fuel VIN: 1GCEK19V13
Good evening to all This is my personal truck it used to get 16 to 18 mpg around town 20 to 21 on highway.I went from 245/75r/16 to 265/75r/16 had computer reprogammed for the different size tires and now I,m only getting 10 to 11 mpg its hard to believe just ...
2004 Chevrolet W4500 Tiltmaster W4S042 6.0L starter VIN: 4KBC4B1U14
hello This thing is driving me nuts please help.. Just replace engine with thrown rod.. do not know if would turn over prior to install..can start engine with power probe at wire at relay.. have start power at ignition switch when key is turned. relay is good ...
2004 Chevrolet Express 2500 4.8L Flex plate VIN: 1GCGG24V14
This one has had the Flex plate (flywheel) replaced twice. First one was aftermarket and the second one from the dealer. The coveter bushing looks fine and the engine end play is not excessive. I'm thinking a bad converter? Has anyone seen this before? Thanks ...
2005 Chevrolet Colorado Z85 LS 3.5L wheel bearing VIN: 1GCDT14625
Looking for some input on this, at our shop we do not do wheel bearings or rotors on the chevy Colorado or canyon, I guess at our other shop they attempted to do this and it cost the shop money. I am just wondering if I should start taking them or just stay aw...
2008 Chrysler Town & Country Touring 3.8L gauges VIN: 2A8HR54P88
this van will intermittently light all the indicators on the cluster, chime will go off and wipers come on all by them selves think i might have a bcm issue any chrysler techs had this issue please help some times it will set u0010 u0141 u0230
1966 Dodge Charger 6.3L Pads And Rotors VIN: XP29G61254
For the life of me I am having trouble finding the proper parts for this car. It was stored for over 30 years and appears to have the factory brake system. They are 4 piston calipers but the Bendix ones from parts stores do not match up. Also everyone keeps se...
2003 Dodge Grand Caravan Sport 3.3L no 1-2 shift or od VIN: 1D4GP45323
after fixing no start, now transmission has developed no low gear or overdrive, went over everything to see if anything was unplugged or grounds were off, unplugged every switch and connector to see if any prongs were bent,broken or plug terminals looked good,...
1999 Ford Expedition Eddie Bauer 4.6L Misfire VIN: 1FMRU1768X
original tps low volts . no other problem. traced to ecm . replaced and had reprogrammed(by a outside source). now dead misfires on cylinders 4,5,6and 8. has plug wires, not coil on plug. has spark and injector pulse. could a bad programming do this. any other...
2000 Ford Ranger XL 3.0L Cooling Systems VIN: 1FTZR15V7Y
We installed a new engine in this Ranger about a month ago and it runs good, but when you sit in traffic for a extended time the temp guage goes to hot especially if the AC is on. It does not lose coolant and a new radiator was installed about a year ago. When...
2002 Ford F-350 Super Duty Lariat 7.3L Stall VIN: 1FTSW31F92
i will start out by saying i dont know much about deisel but thought with some help here on iatn, i would give it a shot, this truck stalls when hot restsrts about 15-30 minutes later, never has a low power complaint, when it got here first thing i saw the was... Trouble codes: P1211, P0476, P0340
2003 Ford Explorer XLT 4.0L Unknown VIN: 1FMZU63KX3
i wasnt here when this was installed the notes go brake light ok shifter wont go into park or release from park my question is this this truck intermitenly only on inclines wont shift out of park i thought it was the switch so i pulled the cable off the prndl...
2003 Ford Mustang GT 4.6L oil gauge VIN: 1FAFP42X33
the engine runs fine- no noises or smoking.. very smooth and plenty of power.. complaint of oil gauge drops to 'zero' after warms up.. installed mechanical gauge, and holds steady at 20 PSI while idling. spec is 25 @1500.. replaced sender with aftermarket, sti...
2003 Ford Focus SE 2.3L Suspension VIN: 1FAFP34Z93
The owner had her boy friend r&r the front struts for a loud "tapping/thumping" whenever she drove on rough roads, slight curb lips in and out of parking lots, r.r. tracks etc. Came to me with situation much improved, 80% noise reduction according to her but s...
2005 Ford Explorer XLS 4.0L Trans Not Engaging VIN: 1FMZU62E55
I have been trans builder for 20 years, this one is stumping me Guys,,Car towed in, stated after 3.5 hr drive, then a shut down got back in vehicle and wont go into any gear, tested line pressure there was none,pulled pan saw some debris on magnet, not a lot, ...
2007 Ford Focus SES 2.0L Hesitation, Surge, Cuts out, Misfire VIN: 1FAFP34N07
Complaint from customer jerks in and out of gear going uphill. Vehicle inspection was done. No codes engine or transmission. under a load light acceleration feels like a misfire it will get quit sever sometimes, and holding a steady throttle light acceleration...
2007 Ford Freestyle Limited 3.0L ac compressor
This also applies to Lincoln LS,Chev Equinox and others. I don't post often. Usally after I fix problem. This vehicle is very well maintained and suddenly developed no cooling at idle and some cooling at highway speeds. We changed the expansion valve and attem...
2001 GMC Sonoma SLS 4.3L MIL Lamp on VIN: 1GTDT13W11
The lower intake let go, unknown how far it was driven before repair, never had a check engine light until intake repair. We believe the customer. After intake repair, they got a crank sensor code. Replaced sensor, still got a code after driving, replaced sens... Trouble codes: P0300 (p0304-), P0304 (testing and results)
2003 GMC Sierra 1500 Denali 6.0L Service 4 wheel steering VIN: 2GTFK69U43
Thank you in advance, we have a code CO455 Service 4 Wheel Steering System. We found the TSB to reflash the BCM. Reflashed and code and problem still present. Followed the tree and concluded the sensor was faulty. Installed a new postion sensor and still have ...
1991 Honda Civic DX 1.5L air control valve VIN: 2HGED6350M
Following the advice I received from several Honda techs on iATN I removed and thoroughly cleaned the idle air control valve. It can not be disassembled but I filled the valve with the cleaner, allowed it to soak overnight and reinstalled the valve. During sho...
2004 Honda Civic LX 1.7L Poor Idle Quality, Hesitation, MIL Lamp on VIN: 2HGES16554
Vehicle came to shop no power, check engine light on and theft light flashing. Starts and runs but feels like limp in mode. Install multiple scan tools in both generic and manufacturer specific and get no communication with PCM. (Can communicate with air bag m...
2012 Honda Civic EX 1.8L SRS system VIN: 2HGFB2F86C
To all Honda techs please help! I have a 2012 civic ex at shop that will not stop flashing airbag system ! Car came from body shop w/ light front hit(bumper & support -rad & condenser) & airbag lights on. After initial scan found codes F1-11 drivers airbag and...
2008 Hyundai Sonata GLS 2.4L Poor Idle Quality, Hesitation, Cuts out, Stall, MIL Lamp on VIN: 5NPET46C38
Removed valve cover, visually check cams look ok. Did tsb on ocv and tested ok. Dealer suggested common problem and replaced with now change. Looking for test guide lines for the cvvt. Has top engine noise that will come and go with throttle increase. Trouble codes: P0011 (Cmp-timing over advanced or perf.)
2003 Infiniti G35 3.5L E8 and E9 Connectors to the IPDM VIN: JNKCV54E83
Now I have 16 wires (E8) and 12 wires (E9) respectively. I checked the shop manual and electrical diagrams and was able to get 12 of the 16 and missing Terminals 34, 39, 40 and 41 and 8 of 12 terminals for the 12 pin switch missing terminals 47, 52, 55, and 56...
1988 Jeep Wrangler Sahara 4.2L Hard Start Cold VIN: 2BCCV8125J
HELP!!! This Jeep is killing me! It's been in 3 different shops so far. The first time you go to start the jeep in the morning it cranks like the timing is way over advanced. It cranks and binds up then repeats the cycle.It goes from drawing 190amps cranking t...
2003 Jeep Grand Cherokee Limited 4.7L oil pressure gauge VIN: 1J4GX58N23
thanks in advance for any help!!! this vehicle was driven about 50 miles from auction to our shop with zero oil pressure shown on gauge. check engine light on, oil pressure circuit code P0523 oil pressure circuit high. no noise in engine. checked wire to senso...
2004 Jeep Grand Cherokee Limited 4.7L rear axle VIN: 1J8GW58N84
do left or right turns at slow speeds there is a binding or rubber noise coming from the rear of the car
2005 Kia Sedona EX 3.5L Mechanical VIN: KNDUP13205
evening techs Have this Sedonna kicking my butt, started out with the ac line leaking that goes from the compressor to the condenser.After replacement it came back with the compressor not building pressure. Replaced the compressor, the expansion valve,dryer an...
1997 Lincoln Continental Spinnaker Edition 4.6L steering
I have put a pump in it and tomorrow will flush. most of the time has enough pressure as it steers beautifully. other times hard to steer. Im wondering if a switch or a rack or a filter could be at fault.I used motorcraft pump reman pump
2003 Mazda Protege ES 2.0L Poor Idle Quality, MIL Lamp on VIN: JM1BJ22573
Brought this in the shop setting multiple codes, P0300 (random cylinder misfire) and P0134 (heated 02 1 bank 1 no cativity), checked the spark plugs and replaced, but there was no problem other than them being old. The problem is that it's idle is poor and die... Trouble codes: P0300 (random/multiple cylinders misfire detected), P0134 (heated oxygen sensor 1 bank 1 no activity)
2002 Mercedes-Benz SLK320 3.2L MIL Lamp on VIN: WDBKK65FX2
I have this nice bens in for a mil on. Runs perfect. generic codes are p0134 p0154. Mercedes codes are p200f p2082 the 134 and 200f have to do with the right upstream sensor. The 154 and 2082 have to do with the left up stream sensor. They seem to be switching... Trouble codes: P0134 (Right o2 malfunction), P200F, P0154 (Left o2 malfuntion), P2082 (Left 02)
2006 Mercedes-Benz C230 Sport 2.5L Hesitation VIN: WDBRF52H86
This 2006 Mercedes c230 has a check engine light on, dtc are p0016,p0017 and intake tumble flap codes. Seems like it lags a little power as well. The intake needs replacing due to tumble flap codes, I have heard and read about the balance shaft sprocket wearin...
1998 Mercury Sable LS 3.0L Excessive Emissions VIN: 1MEFM58S9W
good morning to you all. any help would be greatly appreciated. this vehicle failed a smog check test. the emissions readigs below idle are 15 mph. and cruise 25 mph. the o2 sensors get stuck at .9 to 1.0 volts during the test.i am running out of ideas.cts is ...
2003 Mini Cooper S 1.6L Cluster VIN: WMWRE33493
Veh came to us from body shop, had sunroof leak and filled bottom of floor with water. they had repaired leak, but now veh wont start. We have no display on info center or gauge cluster. have checked all fuses & grounds,and everything else seems to work but ha...
2007 Mini Cooper 1.6L fuel mixture VIN: WMWMF33567
i feel i have two issues here or three. i think my valve cover is bad. i think my air mass meter is bad. and with the engine running i remove the oil filler cap and it is really noisy inside the cover not the normal clatter more like grinding. to all you mini ...
2005 Nissan Maxima SL 3.5L Engine VIN: 1N4BA41E85
When the customer shuts off the key everything but the engine shuts down. This does it intermittently. The engine will start right back up without a problem. Has any Nissan Techs run into this before and if so what was the problem? Thanks Everyone!
2000 Oldsmobile Alero GL 3.4L Misfire VIN: 1G3NL12E1Y
We have this Alero that has been giving us fits for at least a year now, employee owned vehicle so we bring it in when were slow. It has a cylinder #2 missfire under load only. car idles fine in shop, you can even put it in gear and load the motor with no prob... Trouble codes: P0302 (Cylinder 2 missfire)
1999 Plymouth Voyager 3.0L Stall VIN: 2P4FP2534X
Ok guys, I am stuck and could use the help of the collective. I have this Voyager that has been driving me nuts for over a month now. Here is the breakdown: This thing will stall every time on acceleration when hot. It always stalls about 2 seconds after the ...
2002 Subaru Outback Limited 2.5L a/c VIN: 4S3BH68602
Subaru or a/c techs please help. The ac system high side goes too high and cuts out. Its 95 degrees out today and i get 40 low side and 300 hi side w/ engine at idle hot. With engine hot and at 1500 rpm i get about 25 low side and 400 high side. If i leave idl...
2006 Subaru B9 Tribeca Limited 3.0L cooling VIN: 4S4WX83C56
Hello Everyone, I need some help. I have this Subaru that overheats only at idle. We have replace the radiator, water pump and thermostat. This seem to help but it still overheats at idle. We have bleed the air at the heater hose valve and radiator valve. The ...
1994 Toyota 4Runner SR5 3.0L No Start, Poor Idle Quality VIN: JT3VN39W8R
Hello everybody, I have a 1994 Toyota 4 Runner here that is not running. Found that it has spark but no injector pulse. Comes up with a code 14, no IGF or IGT signal at ECM. Found a bad body ground and repaired it. It ran poorly for about 5 minutes then died a... Trouble codes: 14 (ECM not recieving IGF or IGT signal.)
2006 Toyota Tacoma 2.7L programming VIN: 5TETX22NX6
this vehicle had 3 broken valve stems from previous repair. installed 'redi sensors' and attempted to program vehicle to accept, with no success.. removed and replaced with GENUINE TOYOTA sensors, and retried.. no success.. Am using a Autel tool to read code#s...
2010 Volkswagen Jetta S 2.5L airbags VIN: 3VWJZ7AJ2A
Hello, We have a 2010 Jetta which has been in a wreck and all required airbag sensors etc have been fitted and a new module. We have cleared all codes and have 2 remaining, passenger air bag cut off switch, signal redundant, and passenger seat control module, ...
2000 Volvo S80 2.9 2.9L engine VIN: YV1TS94D4Y
We just replaced the engine in a 2000 Volvo s80 2.9 non turbo. The engine went in fine. Everything is plugged in correctly, but the car will not start. Will will crank but will not turn over. Battery is low on voltage, we tried with a portable jumper. We also ...
2001 Volvo S60 2.4T 2.4L Mechanical VIN: YV1RS58DX1
Need some help from the Volvo guys. We have this S60 with a blown head gasket. Have done many head gaskets but not on Volvos. The book shows some special tool to remove the valve cover. I don't have it. We have removed all the 10mm bolts from the cover. We hav...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1999 Audi A4 1.8L scan tool VIN: WAUCB28D9X
I was not able to fix the communication problem. I was able to get other modules to communicate eventually by unplugging the engine computer. I tried this early in the process before starting this help request and at that point it didn't make other modules c...
2001 Audi A6 Quattro 2.7L oil pressure warning light VIN: WAUED64B71
Thanks for all the advice and tips everybody. We finally got this one nailed down. After grounding the sensor harness from the cluster we found that the light no longer came on. With that established I knew we had an electrical issue outside of the cluster....
2001 BMW X5 4.4i 4.4L MIL Lamp on VIN: WBAFB33561
Frank from Georgia and Victor from NJ where on th money. Someone was inside the timing chain cover and tried to repair what was probably a noises chain. Appearantly they did not have the set up tools for the chains and the Vanos. I reset the valve timing a... Trouble codes: 33 (Vanos over/under advanced or position actuator bank 1), 34 (Vanos over/under advanced or position actuator bank 2).
1995 Chevrolet Corvette 5.7L battery VIN: 1G1YY32P5S
Thanks to everyone that helped me out. In the end I explained the customer that due to the lack of use of the vehicle, it would be near impossible to keep the battery charged, i recommend she have a battery tender installed or use the car more often. thanks ag...
2003 Chrysler Town & Country Limited 3.8L Starting VIN: 2C8GP64L13
Ended up starting with the skim and that didn't fix so replaced the pdm. Hasn't came back so she seems fixed. thanks for the replies guys.
2005 Chrysler PT Cruiser Touring 2.4L Radio VIN: 3CHFY58B75
Thanks for the replies. Most thought that it is an amplifier or door wiring problem. My car does not have an amplifier (also no hands free which seems to be an option). I also forgot to mention that I checked the battery and alternator (for voltage and ac ripp...
2006 Dodge Stratus SXT 2.7L MIL Lamp on VIN: 1B3AL46T86
TIME TO CLOSE THIS POST,with harvest going on just haven't taken the time.Not a whole to report,fallowed the advice of Simon from Illinois and told the costumer to take it and see if it acts up again,so far I haven,t heard from him.The problem was the MIL came... Trouble codes: P0300, P0454.
2004 Ford E-350 Super Duty 5.4L Stall VIN: 1FTSE34L94
Dan from Texas gets the gold star for this one. I was given this vehicle to work om after another tech had but 7.5hrs and a lot of parts on it. The original complaint was "after the radiator was replaced it would stall when shifted into reverse" Thus Dan's "ch...
1993 GMC K1500 Sierra SLE 5.7L Pump gear breaks VIN: 2GTEK19K4P
First off I would like to thank all that responded to this help request. I replaced the flywheel with a new flywheel, I replaced the torque converter making sure it was of original quality, and the transmission failed again. Keep in mind the reason for the r...
2000 GMC Sierra 1500 SL 5.3L Solenoid A VIN: 1GTEK19T5Y
Thanks to all that replied. Replaced PCM to resolve solenoid A signal issue and higher than expected line pressure. FYI - pressure was 110psi and jumpy in non tow mode. Tow mode the pressure dropped to 75psi and stable. New PCM - pressure 75psi and stable ...
2006 GMC Envoy Denali 5.3L No Start VIN: 1GKET63M26
Motor has wrong crankshaft in it. Found a good running 06 envoy. Got a couple scope captures of it. Also removed starter and checked tone ring on crank. It is supposed to have dual tone rings.
2007 Jeep Liberty Sport 3.7L Misfire, MIL Lamp on VIN: 1J4GL48K97
Well this thing is still sitting here at our dealership! I did pull the timing cover to check cam timing, all looks good... I just don't know why it is showing me - 6 degrees for cam/crank difference, and is the even enough to cause this problem! Sorry I am be... Trouble codes: P0300 (Multiple cyl missfire).
2001 Lexus ES300 3.0L Engine VIN: JT8BF28G71
after looking furthur into it.even though the piston is not damage,but does have more play than other piston when piston at tdc.instead wasting any more time i found low mileage engine for the customer and he is happy with it
2003 Lincoln Navigator 5.4L fuel pump VIN: 5LMFU27R13
Wayne was right it was the relay that was serviceable. slap mechanic on wrist. pcm relay
2006 Nissan Altima SE 3.5L Coolant VIN: 1N4BL11E06
Hey everyone. Thank you very much for all your input. The suggestions I received mentioned head gaskets, and cracks in the heads or block. There was a suggestion that maybe the cooler only leaks one way, or when hot. It's an expensive gamble ($400) and the cus...
1990 Porsche 911 Carrera 2 3.6L ignition electrical VIN: WP0AB2969L
I got a few very good replies ,, did first check for a bad module staying on ,, also I have power at the diagnostic plug but no data stream from any module ,, I did find that relay #21 for the alternator was causing the back feed ,, ...
2002 Volvo V70 2.4L p0171 VIN: YV1SW61R22
the fix to this vehicle was a faulty air mass meter when you drive the vehicle fuel trims would go up to 25% replaced sensor everything ok now. thanks for the help guys!
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