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Professional Automotive Repair Technical Discussions for July 17, 2004 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for All Makes and Models
| Help Request | Answers | |
| 1992 Acura Vigor GS 2.5L No Start, Stall VIN: JH4CC2652N Vehicle towed in with no start compaint, went out and cranked on it for a bit and it started and drove into shop, once in shop I tapped the throttle lightly and it died and would only try to restart a few times with throttle held wide open. After trying awhile... |
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| 2001 BMW 740i 4.4L MIL Lamp on VIN: VBAGG83441 Hi BMW Techs the reading for bank 2 are additive mixture adaption(idle) bank 2 = - 6.89ms , multiplicative mixture adaption(part load) bank 2 =5.67%. The readings for the coolant sensor, shows that the thermostat should be replaced, when checking the camshaft ... Trouble codes: 114 (signal camshaft position sensor), 028 (additive mixture adaption bank 1 control limit reached), 029 (additive mixture adaption bank 2 control limit reached), 140 (activation map cooling), 021 (oxygen sensor ageing before cat. converter bank 2), 059 (transmission stall speed) |
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| 1995 Buick Skylark Custom 2.3L Timing Chain VIN: 1G4NV15D35 Hi guys, I have this quad four in my shop with a rubbing noise in the front of the engine. I removed the timing cover and noticed that the chain was rubbing on the front housing. I can't see any wear on the chain,sprockets,or guides. I'm assuming that the pr... |
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| 1986 Chevrolet Camaro Z28 5.0L no injector pulse VIN: 1G1FP87F1G vehicle has no injector pulse, tested all ecm grounds, power to injectors, has good spark, will run if you tap into injector ground wire at ecm and tap to ground. but will not ground injectors by it self. |
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| 1993 Ford Aerostar XL 3.0L mis-shift VIN: 1FMCA11U6P This has been an intermittent & chronic problem with this vehicle for the last two years. It shifts out of 4th gear at 70 - 75 mph. I've replaced the V.s.s. several times & the problem went away for 6-12 months. Last friday my customer had the vehicle towed i... |
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| 1994 Ford F-350 XL 7.3L shifting Help! i've inherited this F-350 that shifts in and out of over drive.Another tech checked it out and decided it needed a pcm.He said it had a code 62.Anyway pcm was replaced.All was well with the shifting until customer pulled his trailer loaded with a car.Aft... |
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| 1992 Honda Accord EX 2.2L starting VIN: ER47856FD7 Customer has to crank car for a couple of seconds, stop then crank and car starts. No codes, ocassional no start just needs the two start process or a long one start crank to get engine running. I replaced plugs, wires, cap, rotor,air filter, oil, did the egr ... |
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| 2000 Jeep Grand Cherokee Laredo 4.7L Poor Idle Quality, Hesitation, Cuts out, Stall VIN: 1J4GW48N3Y Hi Techs,this car is my nephew's jeep and he ask me to check it at his house. I checked the fuel pressure because it runs poorly and has no power. It has only 31 Lbs. of pressure, and it has no pressure until you crank it,also it looses what pressure it has as... |
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| 2001 Mercedes-Benz SLK230 Kompressor 2.3L Unknown VIN: WDBKK49F81 We have a weird problem with an 01 SLK 230. The car has about 15K on it and the owner reports that the brakes have "failed" on 3 seperate occasions. The last time, he ran into his garage. He has told us that he does not want the car back until we have fixed ... |
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| 1989 Pontiac Grand Prix LE 3.1L radio VIN: 1G2WK14TXK have alt whine in radio , change alt 3 differant alt's. Same results. Diconnected plug on alt. and whine is gone. OEM radio no add ons.Tryed capasitor on alt. still has whine.. Please advise...Joe |
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| 1998 Pontiac Grand Prix SE 3.8L blower and compressor and drl The blower,compressor and daytime running lights only work in blower speeds 1 and max.Speeds 2,3 and 4 lights go off,compressor clutch and blower inop.Checked wiring diagram and found 20 amp fuse for hvac/dic.Had 12v through the fuse in speed 1,switch to 2,3 &... |
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| 1999 Pontiac Grand Am SE 3.4L Excessive Emissions, Poor Fuel Economy, MIL Lamp on VIN: 1G2NE52E2X this one looked simple cel on constantly. code for ect out of range. scan tool show engine temp -38f .all wiring and sensor test ok up to junction near alternater. im having a real hard time checking out the connector at the pcm. the mitchell diagram doesnt sh... |
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| 2002 Pontiac Grand Prix GT 3.8L ps pump VIN: 1G2WP52K02 hi to all. this grand prix is breaking the center shaft internally in the pump.replaced pump 4 months ago with same problem.replaced high pressure line at same time.not sure what is causing shaft to break.pulley is still on shaft and is in good shape. |
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| 1986 Toyota Pickup 2.4L Poor Idle Quality, Stall VIN: JT4RN63R9G the customer said that the truck ran fine before the wire that feeds a circuit breaker broke and the truck died he found the wire and repaired it but the idle is bad the truck surges like a lean fuel mixture and even runs if air supply is restricted or more fu... |
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| 1995 Toyota T100 3.4L Poor Idle Quality, Stall, MIL Lamp on VIN: JT4VD22E9S Customer has attempted to diagnose/repair this vehicle. It starts,then immediately shuts down each & every time,with closed throttle. If the throttle is opened & then immediately released to a very slight opening after starting,the vehicle will sometimes keep ... |
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| 1997 Volkswagen Golf GL 2.0L Harsh shit delay 2 3 Sorry for no VIN I can get it ..Im not a auto tranny person.Im the only 1 that can run our ross-tech scnner but not sure what im looking at ...The boss & the other mechnic took this auto tranny in that would back up but not go forwad. he put in a new forward o... |
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Fixes & Summaries for All Makes and Models
| Fix/Summary | Answers | |
| 1988 Buick Riviera Luxury 3.8L crt display VIN: 1G4EZ11C8J Hi Everyone I finally have this Riviera repaired and out the door!! After several used displays, centeral power supplies, and crtc modules I have a display that works. The display was bad and every used display I got to replace it was also bad in some way. A... |
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| 1997 Buick Riviera 3.8L horn VIN: 1G4GD22K0V Thanks George, it effects everyone's premiums when the insurance carrier pays for the inherent engineering flaws created by the manufacturer. I thank everyone for the help. |
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| 1988 Chevrolet Corvette 35th Anniversary Edition 5.7L Poor Idle Quality, Surge, MIL Lamp on VIN: 1G1YY2181J Well, it's fixed! It ended up being a faulty ECM as two responses suggested. I verified all powers and grounds at ECM. All tested good. Fuel pressure and volume were within spec. Upon replacing the ECM, I noticed right away that the O2 voltage was instantly di... Trouble codes: 44 (lean exhaust), 33 (maf signal high). |
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| 1998 Chevrolet C1500 Cheyenne 4.3L noise/noisy VIN: 1GCEC14W8W I recieved some great tips, especially those pertaining to voltage & ground loss, etc. The owner of the truck has been unable to bring it back, or wont, Maybe he is tired of me installing free fuel pumps in his truck |
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| 2003 Chevrolet Silverado 1500 SS 6.0L No Start VIN: 2GCEK19N83 i began by trying to start the truck. truck failed to start, so i proceeded with email fix i had recieved. i attempted to start the truck, it failed to start again. i left the key on, approx. 10 minutes the telltale light turned off. i turned key off for 5 sec... |
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| 1994 Ford F-150 XL 5.0L Hesitation, Surge, Stall VIN: 1FTEF14N7R Well, due to the time limitations placed upon us users of this medium of exchange of ideas, I'm sorry to say that there were lots of suggestions that didn't make any difference in getting rid of this problem. Several suggestions were TFI module (located on d... Trouble codes: 565 (KOEO Canister Purge Failure), 542 (KOEO Fuel Pump Secondary), 556 (KOEO Fuel Pump Primary), N0NE. |
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| 1999 Ford Explorer Sport 4.0L gem module VIN: 1FMYU22EXX Tim from Florida hit it on the head with his answer. I unpluged the modules and as soon as I plugged in the Air Bag module they all quit communicating. This is the greatest group in the world. I get more info from here than from MOD. Thanks Again. Below is T... |
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| 2000 Ford Focus SE 2.0L MIL Lamp on VIN: 1FAFP34P8Y The majority of you answered the real question about the baro reading by saying it was calculated from the MAF sensor and slowly updated each time it reached WOT.I had cleaned the MAF after replacing the PCV and hose however, it seems 5 miles was not enough fo... Trouble codes: P0171. |
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| 1992 Geo Metro 1.0L seat belt VIN: 2C1MR2467N I installed a Canadian seat belt (on the pillar) - perfect fit, the mounting provisions were there from the factory (it is an 'ac/dc' vehicle)...thanks for your responses... |
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| 1994 Lincoln Continental 3.8L trans VIN: 1LNLM974XR Most of the replies said trans range switch or foward clutch piston cracked. We noticed problem does not occur in D3, only D4. We ended up replacing trans range switch first. Still same problem. VSS code never returned. We then installed Ford reman trans. All ... |
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| 1999 Mercedes-Benz ML320 3.2L Engine MIL VIN: 4JGAB54E3X The check engine light is controlled by the can data bus, the can is good. and the ground comes from the sefi ecm, this client has not returned, the car was 4 days out of warranty when the problem occured and was encouraged by our shop to contact MBZNA for ass... |
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| 1992 Mercury Topaz GS 2.3L Poor Idle Quality First off, I would like to thank all of those that took the time to help. Many suggested a MAF sensor, and it was replaced, but did not fix the vehicle. A couple replies mentioned carbon deposits on the intake valves as causing this condition. While a 'motorva... |
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| 1994 Pontiac Grand Am SE 3.1L Hesitation Hello everyone: At this time (7/17/04) this vehicle has NOT been fixed. I don't want to close this post, however, I am only allowed one update and I have used it and besides there really isn't much new. I want to thank everyone who took the time to reply and I... |
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| 1999 Pontiac Grand Am SE 2.4L traction VIN: 1G2NE12E6X Sorry for the late reply had too be sure it was 100% ok The problem ended up being a oversized pin on the rf harness connector, it took just the right twist for the connection to open.replaced both pins and all is fine now,and was never able to spot it with th... |
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| 1994 Saab 900 S 2.3L AC Comp VIN: YS3DM35B5R After all the great replies, I'm calling it a FIX. I took the replies received and showed them to the customer and he was satisfied. Special thanks to Anders at swedecar who emailed the specific testing procedure from Saab. IATN is the best tool in my toolbox!... |
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| 1992 Saturn SL1 1.9L Idles too high VIN: 1G8ZH5497N Sorry about the late fix posting, we had to special order a reman PCM for the vehicle. A number of responses pointed to pattern failures in either the coolant temp sensor or it's connector. Several mentioned finding issues with the throttle position sensor. A ... |
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| 1995 Toyota Camry LE 2.2L evap. VIN: 4T1SK12E5S After speaking with teck. he told me he had replaced the expansion valve with aftermarket and again with dealer unit. He also bent the sensor closer to the evaporator, like a few had suggested. The customer has not brought the car back but I am sure it is not ... |
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| 2001 Toyota Camry CE 2.2L Poor Idle Quality, Stall VIN: 4T1BG22K81 Customer has had no more stalling on cold start, after replacing coolant temp.sensor. Tho' he states it still has a slow idle, trying to get him back so I can check the Idle control motor. Thanks for the replies & the help!! Ron [...] Trouble codes: P0128 (Undocumented Code on Snap On Scanner). |
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| 1987 Volkswagen Cabriolet 1.8L no electrical power to a/c clutch VIN: WVWCAO155H all where very help full.. information from vw parts in alabama, very specific and wonderfully helpfull...finally found wrong relay!!! vw kept sending same relay, also.. probably how it got there in the first place... finally followed direct wire from fourth s... |
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