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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for April 6, 2008
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
1989 Chevrolet Camaro Iroc-Z 5.7L engine
Got a bad nightmare here. This camaro came in on a tow truck.Complaint was: running rough,sluggish on accel,backfiring through intake. Started diagnosing and found the following problems: intake leaking coolant,plugs & wires worn out,secondary air injection st...
2000 Chevrolet Blazer LS 4.3L Misfire VIN: 1GNDT13W2Y
This problem is difficult to explain but here is a brief overview of what is going on. When turning into a parking space with the steering wheel turned max{either right or left} and MOVING SLOWLY FORWARD I can feel what appears to be a missfire/vibration. Ther...
1996 Dodge Intrepid 3.5L Starting VIN: 1B3HD46F5T
this ones got us,, intermitent no start and once died on the road ,always starts for us except the other day when the cust.came to pick up car . then no start. i get in it starts runs poorly and no tach. then go to shut off and stays running but poorly and eve...
2000 Dodge Ram 1500 Laramie 5.9L low power VIN: 3B7KF26Z7Y
This vehicle starts and runs fine in the shop. Both o2s read normal in the service bay. I adjusted dist synch signal as it was 8 degrees advanced. The problem is when driving the truck has low power , but is better after setting the timing. It sets a p0171 cod... Trouble codes: P0171
1993 Ford Explorer Eddie Bauer 4.0L Suspension VIN: 1FMCU24X3P
This will be a bit long but. This is my vehicle, I got it with 138000 km's and since I've owned it there has been a vibration in the right front like a wheel out of balance. I've balanced the wheels several times, I've rotated and have changed the tires to new...
1996 Ford Ranger Splash 2.3L KOER Gets stuck VIN: 1FTCR10A0T
Hi folks, Got me a Ford Ranger that won't leave. Started with failed emmissions test. Codes were P1000 incompleet system checks, Lean, PS switch, EGR low flow and purge control. In testing the Cat was leaking on top, PS switch was open and leaking, DPFE volts... Trouble codes: P1000 (System checks incompleet)
2000 GMC Jimmy Diamond Edition 4.3L Poor Idle Quality, Hesitation, Stall, MIL Lamp on VIN: 1GKDT13W7Y
Looks like my time to get headaches! This Jimmy came in with a loss of power and stalling problem. It had 56 psi and no volume from the fuel pump when running; no brainer replace pump and filter and send it on its way right, WRONG. Took it out to test drive ... Trouble codes: P1122 (TP sensor circuit intermittant low voltage)
1992 Honda Accord EX 2.2L cv joint noise VIN: 1HGCB7179N
Hey guys, I have a 92 honda accord that came in for cv shafts. This was recommended from a local tire shop. Boots were torn on both shafts. Replaced both shafts and sent the car on its way. Two weeks later, customer calls to complain about same noise. I drove ...
2007 Infiniti M35 3.5L wanders VIN: JNKAYOIF77
Owner says this car will suddenly dart left or right with no warning. It happens on any road surface. When I checked the alignment I found it was toed out quite a bit so I corrected that. Owner says it's much better but still does it sometimes. I suspect that ...
2005 Lexus RX330 3.3L cooling fan VIN: LEXUSRX330
Hi, all techs I got a 2005 Lexus RX330 which cooling fan was not working properly. The cooling fan control module is triggered by Engine control module with a PWM signal. I want to know some information about that PWM signal: 1. What is the fixed frequency (...
2000 Pontiac Grand Am SE 3.4L valve train noise VIN: 1G2NG52E0Y
Ticking noise at cam speed (like one lifter gone bad) no engine miss Noise starts after engine warms up. When engine is cold, quiet as a church mouse. First we tried oil change with a qt of marvel- no luck. Opened both rocker covers, all roller rocker arms wer...
2000 Toyota Corolla VE 1.8L timing VIN: 2T1BR12EXY
how do you release lock pin in new intake timing gear? any help would be greatly appreciated!!!
2002 Toyota 4Runner Limited 3.4L Master Cylinder or Abs VIN: JT3HN87R92
vehicle shakes like the abs system is pulsating like when on slippery roads but insteading of doing it right it shakes the front dash and steering wheel out of your hands when lightly braking.If you hit them hard it doesnt seem so bad.After checking all brakes...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1995 BMW M3 3.0L no fifth gear VIN: WBSBF0322S
Well this one was caused by a tech in to big of a hurry . Idle Air valve was partially unplugged probally durring heater valve replacement.Thanks for your replies. Scott
2000 Chevrolet Cavalier 2.2L Convertor VIN: 1G1JC5249Y
We decided that the customer would be better off with a used transmission which was only $300.00, because we couldn't confirm that the valve body was bad, plus a new Valve body from GM was $385.00. Thank you IATN members for the good advice..
2003 Chevrolet Silverado 1500 5.3L master cyl VIN: 1GCEK19T13
Sorry for the late reply to the brake problem. I did the Run automated bleed procedure a number of times and bled the entire brake system several times. Did not help the problem at all. Customer is saving up some money to replace the ABS modulator valve. Hope ...
2004 Chevrolet Trailblazer EXT LT 4.2L 4hi/4low VIN: 1GNET16S84
Customer hasn't returned as of yet. Had a few suggestions for problem areas: harness around transfer case, decoder motor in transfer case, a couple mentioned front diff. Thanks for the suggestions folks-will keep you up to date if vehicle returns.
1995 Eagle Talon TSi 2.0L Cuts out VIN: 4E3AL54F3S
Ok here goes, first thankyou for you input guys, especially a couple of you, who were right on the money, and a special thanks to Tyler for your ongoing input, thanks Mate. I have not yet been able to carry out the couple of tests suggested, but have talked wi...
2002 Ford Explorer Eddie Bauer 4.6L auto 4x4 VIN: 1FMDU74W22
Thanks to everyone that has responded! This has to be the best network available for techs. Like most of you said this explorer had no clutches left in the rear end. When I got it apart they fell out in pieces (friction material that is). Replaced all clut...
2003 Ford Windstar SE 3.8L interior turn signal indicators, fuel guage and do VIN: 2FMZA52443
well a ford shop foreman told me to open rem module up and look for green stuff. he said people leave the rear 1/4 window open and it rains in and soaks the module. we took module out and opened it and it looked like new inside. it was probably a 1/2 hour befo...
1967 Mercedes-Benz 250SE 2.5L poor supply to pump VIN: W108014027
First off, thanks to all who have replied. Many of you have said that by removing the drain plug and cleaning/replacing the screen I should get good flow. I should have mentioned that I have done this several times over my tenure with this car (this is not a...
2000 Mercedes-Benz A190 1.9L fuel leaks VIN: WDB1680322
Thanks to those who replied I again pulled tank out low enough to see any fuel leaks whilst engine running - - again leaking at hose to plastic connection pressure side of fuel tank outlet - this time wasn't able to tighten connection and stop leaks - pressure...
2002 Mercedes-Benz C320 3.2L instrument VIN: WDBRF64J02
Like anything after you do it you see how easy it is. The mercedes manual tells you to install there tool 80mm and rotate 90 degrees. I originally thought there was a mechanism which needed to be rotated. this isn't the case. There just a latch which moves ...
2003 Mitsubishi Galant DE 2.4L brake pulsation VIN: 4A3AA36G33
first i want to thank everyone who responded.i wasn't the one who worked on it first so i took the word of another tech who said yeah i check that[you know what i mean].so i took everything apart to check myself.there was rust on the hub,plus the slides weren'...
2008 Toyota Highlander 3.5L Alarm VIN: MULTIPLE V
One of the replies suggested that the glass breakage sensor may be adjusted too sensitive. That is a good suggestion as i have seen that a couple of times, however, most of the vehicles that seem to have this problem are not equipped with the optional glass br...
2000 Volkswagen Jetta GLS 2.8L Hesitation VIN: 3VWSE29M3X
I did relearn the throtle acuator with a snap on tester, each time i tried to relearn the throtle acuator an error would occur,, after i tried to relearn the throtle,and when driving the car the mil came on for fault for the maf sensor. cleint refused replacem... Trouble codes: 1545 (Throttle Position Control Malfunction).
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