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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for January 16, 2005
International Automotive Technicians' Network (iATN) - Members Only
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Open Help Requests for All Makes and Models
Help Request Answers
1998 Audi A4 2.8L Poor Idle Quality, Poor Fuel Economy VIN: WAUGD28DXW
No MIL on, but this car has a very rough idle. Does not seem to miss at speed, but customer does feel that the car has poor fuel economy. Has had timing belt and 90K service carried (ran poorly before). You can watch the tach hunt up and down at idle, but no...
2000 Audi A6 2.8L No Start, hard start VIN: WAUBH64B6Y
We have been going at this for a while. Good communication with customer is difficult as he doesn't speak english fluently. After going around and around with him, customer stated no start for 10 minutes or so after filling tank. I went with him to gas station... Trouble codes: 16825 (P0441 Evap emission control system flow faulty), 17521 (P1113 Bank 1 sensor 1 resistance too high - intermittant)
1991 BMW 750iL 5.0L Cuts out
need help Trouble codes: 16 (no references signal 6 and 12 cyl)
2001 BMW 740i 4.4L Hesitation, Misfire, MIL Lamp on VIN: WBAGG83451
Vehicle has a misfire problem that is intermitant. We recently performed the intake reseal and seperator plate repair and the car was fine for two weeks then it came back with two codes P0301B &P1343. We cleared the codes and drove the car for two days with no... Trouble codes: P0301, P1343 (Ignition misfire with fuel cut)
1997 Chevrolet Astro 4.3L slip VIN: 1GNEL19W0V
Thanks for any help at all. P1870 keeps coming back, very intermittent, I have never felt a slip. Transmission was serviced and was very clean. Recording shows code is usally set about 100Kms at 2100rpm, no other data seems to be useful. Code has been on and o...
1998 Chevrolet S10 LS 4.3L No Start VIN: 1GCCT19W5W
Fellow Tech's I need help. I've got a "98" S-10 P/U that will crank good cold but will not start. F/P replaced within last month due to low volume. New F/P has 61 p.s.i koeo with 56 p.s.i. engine running but will only draw 7.5 amps but has good waveform on sc...
1999 Chevrolet S10 2.2L Surge VIN: 1GCCS1440X
This truck idles fine and runs fine on road test for 3 miles or so. Then it will start surging as if it is running out of gas.shot a movie and when this happens the O2 sensor goes below 100mv and the short term fuel goes to -55 while the long term stays normal...
1999 Chevrolet K1500 Suburban 5.7L No Start VIN: 3GNFK16R4X
i have a no start condition that is driving me crazy. customer stated that he parked truck and came back 3days and would not start. stated that ran good up till this point with a little extened crank. i have check for spark, pulse, fuelpresure,compresion 180 a...
1990 Chrysler Town & Country 3.3L No Start
this mini van came to our place after the timing chain was replaced y ignition switch. Ww open the timing cover to rechectk timing marks. the was okey. note) This is a no start condition . no spark and no fuel injector pulse.) I replaced cam and crank sensors....
1989 Ford Tempo GL 2.3L All VIN: 1FAPP36X5K
The customer came in with leaking brake lines. I replaced all brake lines, both rear cylinders, both front calipers. All brake lines are new. I replaced the master cylindar twice (They were bench bled). Replaced the control valves that screw into the master cy...
1996 Ford Windstar GL 3.8L intake manifold gaskets VIN: 2FMDA514XT
I am familiar with the problems that the 3.8L Windstars have with coolant loss. So I am confident that the problem with this engine is with bad intake manifold gaskets. I have searched the Felpro web site, only to find out that there are two different gasket l...
2002 Ford Econoline E350 Super Duty 7.3L hard start VIN: 1FT5S34F6Y
Hello Fellow Tech's, I have a problem a with hard start on a 7.3 litre turbo diesel, hot or cold. If vehicle sits for approx. 10-15 minutes I have an extended crank before vehicle fires. I checked for codes and had several codes appear. I cleared the codes and... Trouble codes: P0562, P1212, P0541, P1670
1992 GMC Jimmy SLE 4.3L idle flair up VIN: 1GKCS13W9N
good afternoon techs. this vehicle came in with a complait a real fast idle on start up 3000 rpm then goes to normal idle 750 in park we have a another truck just like this one in the shop it does not do this any suggestions thanks paul
1990 Mazda 626 DX 2.2L Stall VIN: JM1GD2228L
Engine stalled in heavy rain one week ago, no restart, waited a few minutes, started and ran OK several days. Then stalled again, restarted OK, runs fine now. Both times were on decel. I checked for moisture in dist cap, found none. I srayed cap, wires with wa...
1996 Mazda 626 DX 2.0L MIL Lamp on VIN: 1YVGE22C7T
Good Evening We have the above listed 1996 Mazda 626 with a reocurring code P1506 (IAC overspeed error). We have been through the trouble shooting flow chart for this code a half dozen times. We'll go through the chart, find no fault, clear the code. In the r... Trouble codes: P1506 (IAC over speed error)
1999 Oldsmobile Bravada 4.3L Cooling System VIN: 1GHDT13W16
O.K. Welcome to my nightmare. A month ago a customer brought in a vechicle with a problem with no heat. I checked the Heater hose going into the heater core was 142 degrees F. The return hose was a 100 Degrees F. I suspected the heater core was blocked. I then...
2000 Plymouth Neon High Line 2.0L Stall VIN: 1P3ES46CXY
car stalls no warning sometimes while at stop sign or turning into parking spots i can not make it happen no codes are found does not always happen fuel press,fuel trim are ok o/2 switching fine tune up and motor vac was done and every time she drops off car i...
1993 Subaru Legacy L 2.2L No Start VIN: JF1BJ6327N
Hello folks, Well another day in paradise!!! I have a Suburu Legacy that will not start on cold wet mornings- not cold mornings- not wet mornings, just cold (35 and under) wet???So I did the basic checks to see what I am loosing,have spark, fuel, compression-a...
1996 Subaru Legacy Outback 2.5L radiator & overflow VIN: 4S3BG6854T
this outback was sent to us by a quickie oil change shop, the customer wanted a coolant flush,when they saw oil in the overflow,they called us. it does not appear to be tranny fluid,so I ruled out trans cooler leaking, it looks & smells like oil,cooling system...
2001 Toyota RAV4 2.0L Cuts out, Stall VIN: JTEHH20V31
does not loose spark, fuel or injector pulse when it stalls. Checked all computer grounds & voltages at computer, does not loose voltage when stalls. Does not loose cam or crank signal when stalls. Looses comunication with scanner and looses memory when stalls...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1993 Chevrolet K3500 Cheyenne 5.7L Hesitation VIN: 1GCHK34K5P
Several replies mentioned EGR problem - replaced valve with a new GM unit and that took care of the problem - thanks for the help!
1999 Chevrolet Tahoe LS 5.7L air bag VIN: 1GNEK13R2X
thanks to all who replied when we plugged in the connetor at the air bag (3 times) the pronged piece of the connector at the air bag was not plugged in correctly and made a bad connection even when you check and recheck something you can always overlook someth...
2001 Dodge Dakota 3.9L master cyl. boost VIN: 1B7GG36XX2
Thanks for all who replied. I have been unable to get the vehicle back in for the check but he is scheduled tomorrow for some control arm bushings. I plan to use the advice that came from almost everyone on checking the effectiveness of the booster. I will pro...
1995 Ford B700 5.9L Engine oil VIN: 1FDXB80C0S
We put pressure on the cooling system and removed the rocker cover again and there was a drop of coolant by the valve spring on #4 cylinder. We removed the head and took to an engine machine shop. He magnafluxed the head with the #4 valves out and it showed no...
1997 Ford F-350 7.3L l rear brake VIN: 1FDJW35F4V
Thanks for all the help. It was 2 things ,frist the arm was not real free, the other thing was the spring on the cable seemed ok cable was free, but changed anyway. The spring on the new cable was about an inch and half longer then the old one .this was more t...
1996 GMC C3500 HD 7.4L Excessive Emissions, Poor Idle Quality VIN: 1GBKC34J9T
Thanx for all the replies. A couple replies nailed it. A faulty fuel pressure regulator along with 3 leaky injectors. I went ahead and changed all injectors and regulator now the truck idles great with no emissions. I thank all the expert help from IATN member...
1993 Jeep Grand Cherokee 5.2L No Start VIN: 1J4GZ58YOP
vehicle came back in & never failed to start--rechecked fuel pr.& o/k.replies i recieved were about the cam/crank sensor-i never lost power to pump-even did a volt.drop test.thanks anyway
1998 Kia Sportage 2.0L front axle VIN: KNDJA7231W
Hi Alex had the correct fix for this. Replace the vacumm lines with rubber hose. Corrosion from the metal lines get into vacumm switch causing it to leak vacumm to hubs. Maybe a better fix for this would be a filter between switch and hubs. It has a filter...
1996 Oldsmobile 88 Royale 3.8L temperature VIN: 1G3HN52K8T
Hello After replacing the thermostat on this car with a factory part and still having no results we found that the vent tube on the blower motor was missing and was sucking cold air in from under the hood(we were experiencing extremely cold weather in our area...
1988 Plymouth Sundance 2.5L Hesitation, Cuts out, Stall VIN: 1P3BS48K1J
Thanks to all who responded. The responses were swift, plentiful, and nearly unanimous. Just about everyone said these cars have problems with the fuel injector. My testing had led me in that direction but I couldn't prove it. Based on the advice of the grea...
2000 Toyota Sienna LE 3.0L door locks VIN: 4T3ZF13C6Y
Thanks! The key cylinder switch in the liftgate was the culprit. Of course, it was the last one I tried! We are just going to leave it disconnected. Thanks again for the help on a real hair puller.
2003 Toyota Prius 1.5L tires
Ok, to close and relate what I believe to have fixed the problem with these cars which are not addressed by Toyota. Air preasure on the p175/65/14 Extra Load tire (i boo booed on rim size in post)run the fronts at 45psi cold,35-38 psi in rrear depending on tru...
1996 Volvo 850 2.4L blower motor
thanks to all of you who replied. it turned out to be the blower motor was drawing to high amps. replaced with oe blower motor at the tune of $238.00 + tax, good job guys
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