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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for March 5, 2005
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
1996 Buick Park Avenue 3.8L Intake Manifold VIN: 1G4CW52K2T
Members, I have removed upper intake manifold to locate coolant leak. The area around the EGR tube is melted and warped. The EGR stove pipe is missing from the lower manifold. I have checked with two GM parts dept. I am told you must buy new lower manifold. Yo...
1994 Chevrolet Camaro 3.4L lifters VIN: 2G1FP22S8R
Snap ring came out of two lifters. one of the lifters the cup came out. What is the problem with this car. What should I do? Will it happen again? Can I replace the lifters and forget about it? Thanks in advance for your help.
1999 Chevrolet Tahoe LS 5.7L intake,water pump VIN: 1GNEK13R5X
i'm on my 3rd intake manifold gasket, 1st water pump, corrosion every were. im now going to use fel pro's new [...] set. big deal right! my question is for a differant antifreeze. prestone has a new gold antifreeze, is this better than reusing dex-cool. d...
2001 Chevrolet Silverado 1500 5.3L cruise/tow haul switch VIN: 2GCEK19T61
customer connected a trailer to vehicle(it had electric brakes) the truck did not have the electric brake control intalled yet (still does not) trailer brakes locked up, turn signals stopped working.After trailer was disconnected,turn signals work but, now we ...
1991 Dodge Shadow High Line 2.5L sudden acceleration VIN: 3B3XP45K9M
This is strange one. I cannot duplicate it but the customer said that on several occasions the engine would continue at speed when he let off the accelerator, and once the engine accelerated from idle and would not idle down. He put the transmission in neutral...
1999 Dodge Ram 1500 Van 5.2L Hesitation, Poor Fuel Economy VIN: 1B7HF13Y5X
this truck is suffering from a big lack of power and poor fuel mileage as wells as slight bucking and surging feels similiar to a restricted exhaust. on top off the test listed above we also checked the fuel syncro signal and found it to be out by 20 degrees. ...
2000 Ford F-250 Super Duty Lariat 7.3L No Start VIN: 3FTNX20F3Y
Why am I working on a diesel? Because my boss took it in and I have to. Otherwise I wouldn't be working on it. Anyway, I know very little about diesel and I'm not sure I really want to. I been reading alot and slowly learning but can't seem to figure out one t... Trouble codes: 1668 (PCM - IDM communication error)
2000 Ford Windstar SEL 3.8L Poor Fuel Economy, MIL Lamp on VIN: 2FMZA5346Y
hi guys i need help with this windstar. it runs lean at idle only but runs good. fuel trims are at the rich stop 25 % b1 and b2. i have replaced all the intake gaskets,front valve cover per tsb the fuel pressure regulator hose the pcv hose. these are the thing... Trouble codes: P0171, P0174
2003 Ford Ranger Edge 3.0L Poor Idle Quality, Hesitation, Cuts out VIN: 1FTYR10U83
this may be obvoius but itried another maf sensor ( 99 3.0 ranger) the vehicle runs rough at idle and hits the rpm limter at 2500. fuel pressure 65psi and good spark at all plugs. a ford tech said check the baro reading but my scan tool doesnt show this on the...
1995 GMC K2500 Sierra SL 5.7L Poor Idle Quality, Stall VIN: 1GTGK24K5S
This pick-up has an intermittant problem when hot. The idle speed will hunt up and down from approx 800 to 550rpm's and back again, most times it will stall out.This may happen when you are coming to a stop or may start acting up after it has been idling awhil...
1997 GMC C2500 Sierra SL 5.7L chuggle VIN: 1GCGC29ROV
vehicle has a surge/ chuggle especially at 8o kph at cruise in 3rd gear. feels like tcc locking up and then releasing and relocking over and over. also, exhaust pop is evident.still there in od but not as evident. suspected tcc lock-up problems. commanded tcc ...
1998 GMC C1500 Sierra SL 5.7L abs pump VIN: 2GTEK19RW1
After repairing brakes I went to bleed abs using my scan tool onlt to find that it has been broken and I cant turn on abs pump to bleed . Does anyone know a procedure for bleeding abs without scan tool as I dont know how long for OTC to repair it. thanks for y...
1992 Lexus LS400 4.0L air bag VIN: JT8UF11E9N
Hi every one, i have a Air bag code 14 which is open in squib circuit. I bought a new clock spring assembly as the diagnostic trouble tree led me in that direction, when i removed the old clock spring it did appear broken but when i install the new clock sprin...
1995 Mercury Tracer 1.9L piston, rings VIN: 3MASM10J7S
hi guys, i have this 95 tracer in the shop , that had no compression in the # 4 cylinder. i pulled the head and found the intake valve seat came out and dinged the head and piston up pretty good . i sent the head out to a local machine shop and the cut the hea...
1993 Mitsubishi Eclipse GS 1.8L Caliper(s) VIN: 4A3CF44B7P
The customer says that after extended driving while warm, the brakes locked up at a stop light and the car wouldnt move. I do remember noticing that the right caliper piston wanted to extend by itself after compressing it. We opened the bleeder valve to get it...
2000 Mitsubishi Diamante LS 3.5L Battery VIN: 6MMAP67P4Y
I have this 2000 Diamante going dead over nite traced down draw to fuse #11 in under hood fuse box alldata is not correct on what is on that fuse line! with fuse out draw is gone! Radio and interior lites seem to be the only things not working with fuse out! u...
2000 Nissan Altima GLE 2.4L Misfire VIN: 1N4DL01DXY
Hi, Nissan Tech, this vehicle is my sister have a code P0304 cylinder #4 misfire. I checked intake manifold leak near the cylinder 4. I just want to know is it the dealer have recall for this vehicle ? If no recall, does someone has the easy way or short cut t... Trouble codes: P0304 (cylinder 4 misfire)
1996 Oldsmobile Cutlass Ciera 3.1L Oil in coolant reservoir VIN: 1G3AJ55MXT
This vehicle has black gook in the coolant reservoir and radiator fill area. No coolant in oil. Have pulled intake; oil/coolant "butterscotch" at coolant passages in manifold at passenger side, not at drivers' side. The intake gaskets look bad where the gook ...
1972 Toyota corolla? 2.0L No Start VIN: TE27404558
posting this for starter/alt shop next door, his customer installed japan import engine into 72 toy corolla. customer bought engine harness and computer from importer in california. importer only sells engines has no idea of anything else. the engine has 3S-GE...
1990 Toyota Supra 3.0L Surge, Stall VIN: JT2MA71J5L
Hello iATNers, I have here a Supra with a 7M-GTE turbocharged engine. All intake ducts and the throttle body are soaked with oil. We are sourcing a new turbo unit for this. Having not much experience with turbos, I ask does anyone have advice for pitfalls in ...
1990 Toyota Supra 3.0L Unknown VIN: JT2MA71J5L
Hello fellow iATNers, After sending out this Supra for trans OH and R/R, I now have it back for an (unrelated?) complaint of surging and stalling. This is an electronic trans from what I can see, but my observation is that the TV cable was routed very much in...
1993 Toyota Land Cruiser 4.5L ABS System
Test drive only indicated pedal pulsation. No pull when I drove or another tech drove. The customer did indicate the pedal fade and pull were intermittent BUT pronounced. The basics were checked and found that the front rotors needed turning and pads replaci...
1994 Toyota Land Cruiser 4.5L Poor Idle Quality, Cuts out VIN: JT3DJ81W7R
hi there techs the problem i am having on this toyota is that when accel at 2250 it starts shuting the injectors off till it drops a couple hundred rpm then it picks up till 2250 then drops off again does not matter after half throttle it does the same all the...
1997 Toyota Camry CE 2.2L dtc p0770 VIN: 4T1BG22K6V
We change transmission with used transm. because was leaking from CV shaft seal in Originally was not other problems with old transmission or DTC codes. It is shifting Ok; everything looks Ok except after 2 days driving 100km/h shows MIL light , check codes, g...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2001 BMW X5 4.4i 4.4L Master cylinder VIN: WBAFB33571
Hey Guys: Sorry for the late reply.. I was on a skiing trip. The fix after all the great suggestions was replacing the new master cylinder ( we did all the test by blocking hoses,, plugging the master, pressure bleeding several times ETC). The OE master was ...
1996 Chevrolet Cavalier LS 2.2L speedometer VIN: 1G1JF5247T
thanks to iatn and the input from javier [...]. we send the costumer to the dealer to reprogram the pcm and the cluster the speedometer is working now! ! ! ! !
1986 Ford F-150 XL 4.9L No Start, Surge VIN: 2FTEF15Y3G
Well vehicle seems to be starting good now -thanks for all the replies but most were things we already checked -christopher had it right -we put 5 gallons of new fuel in it and it is starting ok -customer is a farmer with his own fuel tanks -fuel was dropped l...
1999 Ford F-350 Super Duty Lariat 7.3L Excessive Emissions, Cuts out, Misfire, MIL Lamp on VIN: 1FTWW33FXX
Hey Guys Sorry it took so long for the post. I honestly forgot to post. Removed #5 Inj. and found that the o rings were bad. The buzz test on the Inj were all equal in noise and duration. Veh runs like a Ford and plenty of power. Once again sorry for the d... Trouble codes: P0275, P1282, P0476.
2000 Kia Sportage 2.0L hub/seal VIN: KNDJA7230Y
with only one responce, i'm guessing that this one has not been seen much out there yet (at least by the aftermarket repair). there is a bearing (not wheel bearing) inside the hub that the axle rides on. when this bearing fails (and it did on both sides), the ...
1995 Lincoln Town Car 4.6L air ride VIN: 1LNLM81W9S
checked pins 1 & 15 as william suggested for voltage key on/off, hooked up snap on scanner although i dont think something is working just right with it. however light is out last few days. appreciate everyones help
2002 Lincoln Navigator 5.4L steering VIN: 5LMEU27R42
It turned out the vehicle is under factory warranty. I was not able to flush the power steering so I don't know if it would help. I checked other Expeditions and Navigators the last few weeks and none made this noise. I'll post more when I find out what happen...
1998 Nissan Maxima SE 3.0L No Start VIN: JN1CA21A7W
guys i hang my head in humble defeat, hate to admit it but i just ran out of patience with this car. i have to thank bob [...] fig. 8 great jarri iliari , and rick [...], for your input.i borrowed, replaced cms , ckp r...
1991 Plymouth Voyager LE 3.3L No Start VIN: 2P4GH55R8M
1999 Pontiac Grand Prix GT 3.8L Unknown VIN: 1G2WP12K3X
STARTER! Thanks to Dave from Penn. for 'nailing' the problem, and Steve and Scott for reinforcing it. Thanks to the rest of the responces too (not easy to find a noise without actually hearing it). What happens is the starter pinion breaks loose from starter d...
1996 Volkswagen Jetta GL 2.0L spark VIN: 3VWRL81H9T
thanks for all the replies received,culprit was a faulty ecm which was thought to be in operating condition
1998 Volkswagen Passat GLS 1.8L No Start VIN: WVWMA63BXW
I didn't expect so many different answers on this problem because I've seen it happen on so many different Passats. But we have a fix. Three agreed cleaning the throttle housing is very important even as a routine maintance item. I've see dirty housings cause ...
2001 Volkswagen Beetle GL 2.0L MIL Lamp on VIN: 3VWBK21C71
thanks to all who replied.. the customer called and said he was having trouble every 10 minutes, and he had to cut the switch off and back on and it would be fixed for another 10 minutes, then wendesday, he said he heard a click, and the ck engine light and th... Trouble codes: 16610 (pedal sensor), 18554 (not sure of this code has something to do with the pedal), 16725 (cam positon sensor), 16705 (engine speed sensor).
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