Automotive Technicians Technical Discussion and Fixes for Aug 12, 2006 - iATN (Members Only)

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Open Help Requests for All Makes and Models

	Help Request	Answers
	1994 Chevrolet S10 Blazer 4.3L Excessive Emissions, Poor Idle Quality, Surge, BLACK SMOKE VIN: 13NUO12W1R HI ALL History: Replace fuel pump (for long cold start) back in first part of July this year. 2 weeks later customer comes back with runs rough symptom, had a code for EGR and signs of EGR stuck open (rough running, black smoke, bad smell).Replaced EGR valve ...	View
	1995 Chevrolet Astro 4.3L Unknown VIN: 1GCDM19WOS Hello, Techs!! I need some help on this monster. You start the van, brake is good and firm. Then while driving and braking, pedal sinks to half way to the floor. At the stop, pedal feel OK. I found that pedal sinks more often when I drive on rough road. It nev...	View
	1997 Chevrolet K2500 Suburban LS 7.4L hard start VIN: 3GNGK26J2V After a hot soak it takes a little longer to crank and runs rough when it starts for a few seconds. A little black smoke on startup. Took upper plenum off and didn't see a fuel leak. Thanks in advance for any help on this one. It's not real bad but customer is...	View
	2001 Chevrolet Monte Carlo SS 3.8L Cuts out, Stall VIN: 2G1WX15K31 This one is driving the customer nuts (and us). It will intermittently stall when driving. It will restart right away (while coasting). Sometimes it will just stumble while driving and not stall out. It can happen at 80 MPH or at 10 MPH, no rhime or reason. Sh...	View
	2000 Chrysler Concorde LXi 3.2L starting and instruments VIN: 2C3HD36J4Y Good think I keep my hair short.. I'd probably have pulled some out.. This car when you are trying to start will only run for about 10 seconds, only light on is oil. After it cuts off it will turn the starter over again until the key is cycled off and the gaug...	View
	2001 Chrysler PT Cruiser 2.4L Poor Fuel Economy VIN: 3C8FY4BB51 HELP! Thanks for taking time to read this one. We did a maintence tune up to this car at 67200 miles. Ever since then the customer has complained of bad gas milage. We rechecked all the new parts, i.e. Plugs / Wire Set was all that was needed and replaced at t...	View
	1997 Dodge Intrepid 3.3L Surge, Cuts out, MIL Lamp on VIN: 2B3HD46T7V I would greatly appeciate any help and thanks in advance.. Customer came in with the complaint of the wipers turn on, the speedo fluctuates up and down, and engine looses power/surges all at the same time several times a day. Test drove for miles but never act...	View
	1999 Dodge Ram 1500 Laramie 3.9L Misfire VIN: 1B7HC16X9X Well, I'm stumped. This truck actually has two problems, the customer's complaint is that after a warm start within a block of driving the truck will start to miss on acceleration, it may idle rough, the misfire is so bad that the engine pops through the intak...	View
	1997 Ford Taurus GL 3.0L cooling system VIN: 1FA2P5353V please help. this car came from another shop . most of the usuall has been done but the car still overheats. you can hear the hoses boiling but temp needle is below half, fans come on @ between 220f to 240f .with heater on full blast and still boiling I read a...	View
	1999 Ford Mustang 3.8L 1-2 shift VIN: 1FAFP4442X Vehicle has harsh 1-2 upshift and downshift. And only 1-2, all other gears feel normal. Related repairs are above. Checked for codes, none were found. I am not a transmission shop but this is a family members car and she's asking for help. Any assistance would...	View
	2002 Ford E-150 Econoline 5.4L MIL Lamp on VIN: 1FMRE112HB Ok I have searched Arcives on this one and have found nothing. I suspect that the computer requires re-flashed but have not found anything to support this info. I have a rich condition happening and mabey it is related to fuel pressure. I have 53 psi running @... Trouble codes: P0172 (system too rich b1), P0175 (system too rich b2), P1000 (obd 2 monitor test/drive cycle not complete), P1132 (lack of ho2s b1s1 sw indicates rich), P1152 (lack of ho2s b2s1 sw indicates rich)	View
	1998 Isuzu Rodeo LS 3.2L 1-2 shift VIN: 4S2CK58W9W Hi fellow, the problem seem to be hard downshift(clunking noise when come to a stop)it happen more when the engine is cold, and also happen sometime when u let go the brake pedal and start accel. No code was found, i check the trans. fluild was ok and no sight...	View
	1992 Jeep Cherokee Sport 4.0L a/c and blower motor VIN: 1J4FJ88S4N Blower moter fuse will blow after one to five minutes of a/c operation. Will not blow fuse on the vent setting, only when the a/c is on. Have replaced blower motor and blower moter resistor but did not solve the problem. I noticed that the a/c vent air would s...	View
	1999 Land Rover Range Rover SE 4.0L Unknown VIN: SALPV1244X Hello, I have a 99 Land Rover-Range Rover with a transmission code P0741. Customer states loss of power. Alldata has limited info on this this vehicle to diagnose this code. Has anyone come across this code and knows how to find to the problem. Dose the transm...	View
	1990 Lexus LS400 4.0L power steering VIN: JT8UF11E7L we replaced the rack and pump because of leaks,after each replacement the steering would be fine for about 5 to 10 minutes and then would get hard.if we raise the idle up over 1500 rpm,assist comes back but at an idle we have no power steering.alldata says we ...	View
	2003 Nissan Murano SE 3.5L highway speeds - lag in shift VIN: JN8AZ08W93 Please Help - NISSAN TECHS Hi, Thanks for reading. I own this car. Nissan and a trans shop has not been able to help with this one. I have a problem with shift lag at highway speeds on hot days (90+) when engine is at normal temp. 1 to 2 seconds after a accelo...	View
	2002 Toyota RAV4 2.0L shifting VIN: JTEHH20V02 This vehicle came in for a transmission filter change on customers request. Filter was changed and fluid topped off. Fuild was very dark. Test drove vehicle and everything seemed good. Two days later vehicle came back in with complaints of harsh shifting. Drov...	View
	1983 Volkswagen Vanagon GL 1.9L head gasket VIN: VW2ZB0258D hi volks elite-i've replaced rt side head gasket twice,left side once-no problem there.heads are new-what am i missing-are there supposed to be shims below jugs-ie crank end??help me-at a loss,canada	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	1997 Audi A4 2.8L compressor inop VIN: WAUDD68D7W The car is fixed ! Thanks to Mark,Rolando,Alex& Nicholas. You were all right.The A/C compressor clutch relay is located at the No.3 of the 13 relay holder (Production No.167) The A/C comp. clutch was burn out and the compressor was leaking (dye track !) so you...	4
	2001 BMW X5 3.0i 3.0L MIL Lamp on VIN: WBAFA53521 Customer brought to car to the dealer & they want to replace again the DMTL pump & to plastic pipes to charcoal canister. I've really no idea how they test the brand new pump & stated it fail because someone replace the aftermarket pump. They didn't know that ... Trouble codes: 143 (tank leak diagnosiswith DMTL).	4
	1994 Buick LeSabre Custom 3.8L Cuts out VIN: 1G4HP52LXR The car is finally fixed. Since the symptom seemed similar to to module failure under load, we first tried a module with no fix. A new PCM did the trick. While several did suggest a PCM, it was this response from Stephen [...] that convinced me, quoted with ...	18
	1999 Chevrolet Monte Carlo LS 3.1L compressor 6 replies--1 said control head--4 said to look at pid for a/c request and if it says YES, the control is good,if not check wire at computer for a/c power.---1 said he changed alot of presure sensors.I had to ship this car back to owner before I got these repli...	8
	2003 Chrysler Town & Country Limited 3.8L Cuts out VIN: 2C8GP64L93 Dear helpful fellow techs; Another problem solved THANKS to all that resonded! I had 7 good replies on this one. 3 said check the wiring harness and connections; one said check the 8 volt supply to sensors, 1 suggested broken flex plate, 1 asked if we might be... Trouble codes: P1391 (intermittent loss of CMP or CKP).	8
	1995 Ford F-350 XL 7.3L No Start VIN: 1FTJW35F2S Hi all sorry for the delay with the fix, the day i got this thing running was the day i went on holiday !! Anyhow, a huge thanks goes out to everyone who replied, in particular Phil [...]. The level of help i received included many docum... Trouble codes: P1283 (IPR circuit fault).	12
	1999 Ford Econoline Super Duty Custom 6.8L rear heater VIN: 1FBSS31S7W Thanks to Todd, Nick & Alisha for responses. We're doing the job Monday, and are billing 4 hours. The local Ford garage charges 3.5 for this job, everyone says this job 'isn't that bad', it just looks more ominous from under the vehicle! Thanks again, and have...	2
	2000 Ford Excursion XLT 7.3L Poor Idle Quality, Misfire, MIL Lamp on VIN: IFMNU42F2Y thanks to all for all the help that they offered this one was a hard one but I found the problem number three piston was gone no rings nothing it was all in the oil pan I sold the customer a new engine after a long negotiation once i started it it ran like a c... Trouble codes: P0671.	11
	2000 Ford E-150 Econoline 4.6L Misfire VIN: 1FTRE14W4Y Thanks For The Replies- The concensus was that I have multiple coil failures, some suggested water in fuel and/or bad fuel injectors. The customer has yet to return. I'll repost when/if he does return. Jason	16
	2001 Ford Mustang 4.6L Engine Battery VIN: 1FAFP46V6Y Thanks again for all your suggestions. I know current draw is what I should be looking for. Can say that it still reads 0.11 amps after an hour which seems high compared to our (Australian made) 6cyl & 8cyl Ford Falcon which sits around 0.02 amps at rest. I'll...	6
	2002 Ford Windstar SE 3.8L rear AC VIN: 2FMDA5249B i replaced the rear high side line then recharged the system is workinfg good cut the old line open at the place it was getting cold which was just before it was going up in to the body at the rear of the van found part of an old orifis tube was jammed into th...	5
	2004 Ford Focus SVT 2.0L MIL Lamp on, runs rough only cold VIN: 3FAHP30564 Thanks for all the replies and sorry I didnt post this sooner. most of my replies were that the vct solenoid was stuck causing the trouble .I could not be certain this was the problem and I recommended the customer take it to the dealer .We gave the customer a... Trouble codes: P0135, P0320, P1132, P1381.	4
	1992 Jaguar XJ6 Sovereign 4.0L dash lamps VIN: SAJHY1748N Hi Guys, It turns out that jaguar is at fault here. They sent me the wrong dimmer module for the car. I returned the old/new module and all is working fine after the correct one installed. Thanks for all of everyones help.	3
	1997 Kia Sportage 2.0L Surge, Cuts out, MIL Lamp on VIN: KNDJA7230V Thank you to those who responded. One person suggested a timing belt problem but the car ran well sometimes. The other two suggested checking powers and grounds and the knock sensor specifically. I opted for a different solution. I bailed on it. It looked like... Trouble codes: P0135 (O2 B1 S1 Htr Circ), P0141 (O2 B1 S2 Htr Circ), P0101 (Mass or Volume Air Flow Circuit Range Performance), P0342 (Cam Pos. Sensor Circuit A Low B1 or Single Sensor), P0335 (Crank Position Sensor A Circuit).	3
	1986 Mercury Sable GS 3.0L Poor Idle Quality VIN: 1MEBP87U7G After installing the third rebuilt computer from a different manufacture the car runs fine. thanks for the replies.	5
	2002 Volkswagen Beetle Turbo S 1.8L Blend door VIN: 3VWFE21C02 The shaft that opens the blend door could not be purchased separately. Comes with the entire heater box. The clips that allow the shaft to be secured in place are rigid and not flexable. They break with little effort. We bought a used one and cannibalized it t...	5

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