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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for August 22, 2009
International Automotive Technicians' Network (iATN) - Members Only
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for All Makes and Models
Help Request Answers
2000 Audi A4 Quattro 2.8L Poor Idle Quality, Cuts out, Stall VIN: WAUDH28D9Y
When the car is sitting at idle, and hot the RPM's will drop out intermittently. When driving the car the engine will cut out hard enough to feel it shutter throughout the drivetrain, feels like the brakes were applied full force!! I've watch the data with lau...
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1981 Chevrolet C10 Deluxe 5.0L Hesitation, Choking out VIN: 2GCDC14G5B
My good customer decided to restore his 81 chevy pickup, the usual 305, 3speed combo. Delivered truck to customer to get exhaust (header/sidepipes) installed with final tune to follow. Ran good for a week and then the motor started puking out. What's happening...
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1999 Chevrolet K2500 Suburban 6.5L No Start, Hesitation, Surge, Cuts out, Stall, MIL Lamp on VIN: 3GN5756347
Has- PMD relocated to intake manifold before I got truck, SS Diesel ecu, Marine injectors, running home brew b100 that is in about 5 other cars as we speak with no issues, so should be good fuel. So a few months ago I drive 75 miles and park it. Several hours... Trouble codes: P0251, P0335, P0606
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1999 Chevrolet Silverado 1500 4.3L Ignition coil VIN: 2GCEC19W1X
Hi every one. I am working on silverado for no start. Vehicle towed in. Try to start it just crank wont run. Fuel pressure at 60 psi. Found no spark and any spark plug wire. No spark out of ignition coil. Done the ALL data flow chart :- Apply B+ to the C termi...
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2006 Chevrolet Silverado 2500 HD LT 6.6L crank time VIN: 1GCHK29D46
Duramax techs, This one developed long crank time, worse cold. This developed suddenly. 3-4 second crank time warm, longer cold. Important: glow plug light only stays on for a split second now. No glow plug codes. Where do I go from here? Thank you,
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1997 Dodge Caravan SE 3.3L low fuel light VIN: 1B4GP54R2V
This 97' Caravan has a low fuel light that comes on and off whenever it wants and chimes every time driving the customer nuts. Does anyone know is this light controlled by the sender or is this an instrument panel problem? Thanks, Randy.
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2002 Dodge Dakota SLT 4.7L Poor Idle Quality, Surge VIN: 1B7HG38N42
This Dakota has a surge at idle. It doesn't happen every time and it doesn't surge while driving. Customer said it doesn't seem as though it has lost power. I have checked for codes and for vacuum leaks and found neither. I replaced the idle control solenoid b...
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1989 Ford F-250 XLT Lariat 7.3L Cuts out VIN: 1FTHF25M6K
Hi All Thanks for taking a minute to look at this post. What I have is an 89 f250 7.3l diesel. This vechicle will intermintally down shift from 4th to third then back up to 4th. When this happens the tach cuts out and drops to 0 rpm. Then starts working again...
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1999 Ford Taurus SE 3.0L Alternator VIN: 1FAFP58U6X
Put in new alternator still not charging. The charging light on dash does not come on even with key on. I have checked all fuses I cold find
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2000 Ford Mustang GT 4.6L e-brake VIN: 1FAFP42X1Y
Silly question, I don't usually work on domestic stuff, but I'm trying to help out my neighbor's step son ... Anyway, I'm putting rear calipers, pads, and rotors on this POS and can't seem to figure out how to release the tension on the e-brake cable(s) to g...
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2004 Ford Taurus SE 3.0L Excessive Emissions VIN: 1FAFP55UX4
We have an 04 Taurus in here keeps on throwing bank 1 catalyic converter effeciency code. Short term & long term fuel trim look good, runs good, had a tune up about 5k ago. Mass air flow sensor looks good. Our computer shows effeciency at about 62%. We insta... Trouble codes: P0330
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2003 GMC C4500 Topkick C4E042 6.6L No Start VIN: 1GDE4E1193
Truck will not start after long drives. have to let truck sit for hours until it will start. when problem occurred I primed system until primer was hard to push & attempted to start while watching fuel rail pressure. pressure never got above 6 mpa. desired was...
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2004 Hyundai Accent GL 1.6L Misfire, ign. spark noise VIN: KMHCG45C84
Gentlemen, this little car is exhibiting a spark leak snap noise that comes from the area around the crank pulley. I have verified and seen it by causing it to jump from/to a long screwdriver grounded to the block. I normally would think this is from bad plug ...
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1996 Jeep Grand Cherokee Limited 4.0L sunroof VIN: 1J4GZ78S8T
took sunroof out of car trying to see what is stuck does anyone out there run into this
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2005 Jeep Grand Cherokee Limited 5.7L fuel odor VIN: 1J4HR58205
Hello, This Jeep at stop lights has a slight gasoline smell coming through the vents when the A/C is on. No leaks observed. The canister appears to be in working order. No TSB's were found. If you have observed/repaired this let me know. Thanks for taking the ...
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2006 Mazda 6 S 3.0L No Start VIN: 1YVHP80DX6
This Mazda cranks fine, but the ignition only fires once each time I crank it. It also has a hard code for cam sensor bank one. I found in the archives older models with four cylinder engines with the same symptems. Those had timing chain problems, but I found... Trouble codes: P0340
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1996 Mitsubishi Galant S 2.4L Charging system only VIN: 4A3AJ46G4T
96 Mitsubishi Galant: Does anybody know why this thing will charge when I unplug the 4 wire harness? seems to me the alternator is shorted internally, I have already replaced the alternator,gound wire and still have the same problem PLEASE HELP!!! Thanks
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1995 Nissan Altima XE 2.4L Poor Idle Quality, Hesitation, Cuts out, Stall VIN: 1N4BU31D4S
When cold the car drives and runs PERFECT up until you hit 95 degrees Celcius. After this the car falls flat on its face with a lean condition. Computer is showing proper injector pulse width for TPS/MAF conditions. Tried intoducing propane into the intake whi...
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2003 Pontiac Sunfire SE 2.2L battery dead VIN: 1G2JB12F73
main problem: customer states vehicle will not start after setting 1 to 2 hours. They jump started it twice yesterday. I get into vehicle with my jumper box near by...car starts fine. I tested the battery with a midtronics tester-tests good, engine cranks at n...
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2003 Volkswagen Passat GLX 4 Motion 2.8L Misfire, MIL Lamp on VIN: WVWYH63B53
this customer came in with misfire concern and cel flashing, checked plugs and wires all found to be good. Prevouisly replaced plugs and ignition module for a misfire an cylinder #5, while on a trip they went to a dealed and they completed a motor flush for a ... Trouble codes: P1393, P0300, P0306, P0301
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Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2003 BMW 325xi 2.5L hill descent VIN: WBAEU33443
Thank you for all of the helpful replies.The car is not yet fixed as the funds are not available.Brent from Nova Scotia was spot on in his recommendation. It turned out to be a faulty ABS module.The way the system is wired it affects tach performance also.T...
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2006 Cadillac SRX 3.6L timing chain VIN: 1GYEE637X6
With how new the vehicle was, the special tools involved, and limited places to get an engine, we finally convinced the customer to take it to a dealer we recommended, and was willing to help. I am curious why there would be a failure with this low of miles t...
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2002 Chevrolet Impala 3.8L Cuts out, Misfire VIN: 2G1WH55K22
thanks to everyone who replied. As almost all of you sugested the maf was bad . replaced it today and the thing runs like a new one. Cust is happy and I am still wondering why it did not trip a code? I reroad test and maf hz run in the 2400 range now and t...
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1994 Chrysler New Yorker 3.5L No Start VIN: 2C3ED46F2R
Thanks to all who read my post and donated their valuable time to respond. It is truly appreciated and I will return the favor to other fellow techs. As for this car (which happens to be my personal car),The worse possible thing has happened with this short. I...
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2000 Chrysler LHS 3.5L No Start VIN: 2C3HC56G7Y
Thanks to everybody that took the time to respond, after I've installed the timing belt with new water pump and new spark plugs car started wright-up. And as far as the no communication to PCM. customer did not want to spend more money to diagnose, also there ...
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1995 Dodge Avenger ES 2.5L Cuts out, Stall VIN: 483AU52N5S
On this year avenger has both the data link and a second white plastic link. When hooking up solus scanner must use a cable with 2 ends that goes into both plugs at the same time or you get link errors. Once in found a bad crank sensor cuasing the intermitant ...
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1994 Ford E-350 Econoline 7.5L Excessive Emissions, Hesitation, Cuts out, Misfire VIN: 1FDKE30G4R
Thanks for the replies. The Pcm was sent in for repair and was sent back with nothing wrong. There is none to be found for replacement. The pcm was installed and di electric was applied and the thing runs great? Pulled pcm out and took it apart end found the ...
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2001 Ford F-150 XL 4.6L Misfire VIN: 1FTRW07W81
BOY DID I GET SOME GREAT INFO ON THIS ONE-WENT IN TO MODE 6 LIKE I WAS TOLD TO DO AND BINGO IT NARROWED IT DOWN SOLID #5 cylinder coil pack-the customer opted for complete tune up SO IT TURNED INTO A GREAT JOB-THANX FOR ALL THE HELP-BRIAN Trouble codes: P0355 (ignition coil fault and or circuit).
12
2006 Ford Expedition XLT 5.4L noise VIN: 1FMFU16537
found plugs we installed 2 monthes ago tight but not tight enough. tighten freaken tight and now noise gone. Patrick in wyoming solved the puzzel. anyway, tighten the f*%k out ofem.
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1995 Jeep Wrangler Rio Grande 2.5L Bucks VIN: 1J4FY19P2S
After eliminating all the easy stuff it was widdled down the PCM .Installed a loaner from another vehicle and it ran fine. Customer still doesn't have the green for a replacement but at least we know what will fix it. Trouble codes: P0ASS.
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2000 Jeep Grand Cherokee Limited 4.7L No Start VIN: 1J4GW58N9Y
first i want to thank bruce,dave,and timothy for responding so quickly.first thing i did was to double check my communication line to pcm,no problem found.after that i went back and tracked down all of my 5.0volt sensor circuits,no problem found.the third thin...
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2001 Land Rover Discovery Series II LE 4.0L Poor Idle Quality, Hesitation, Cuts out, Misfire VIN: SALTY12421
I had a lot of sugestions to replace the MAF senser. I was kinda leaning that way from the begining. I replaced that MAF and everything was back to normal. Thanks to everyone that replied!!
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1994 Mercury Villager LS 3.0L Hesitation, Cuts out VIN: 4M2DV11W5R
It is fixed! Sorry, I forgot to mention that I cleaned the MAF. Determined it is losing 12V, which is battery voltage. Can blip throttle while in gear and will lose 12V. there are 3 connectors on top of trans, the rear one has a yellow wire that comes from a f...
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2004 Mini Cooper S 1.6L braking performance VIN: WMWRE33444
I have had the opportunity to drive the car for a day and could not get the car to act up in the manner that the customer was describing .Its Sat. and the customer is leaving on Sun. for S.C..I have checked rear brakes and they function perfectly,the cust. use...
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