Automotive Technicians Technical Discussion and Fixes for Nov 14, 2004 - iATN (Members Only)

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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for All Makes and Models

	Help Request	Answers
	1995 Buick Riviera 3.8L compressor VIN: 1G4GD2213S Hello everyone, Customer complained of a missing condition. I found that the AC compressor is cycling off & on real fast, not like it does when it is low on freon, much faster, I verified that the voltage was turning off & on at the compressor. The ground was...	View
	2001 Chevrolet Malibu LS 3.1L Electronic VIN: 1G1NE52J01 Have an unusual code setting: U1040 signifying loss of EBCM/EBTCM communications. No ABS light triggereing or any really that abnormal. Had a look in the left front wheel well area for the EBCM and noticed some corrosion on the body of the unit, however nothin...	View
	1990 Chrysler New Yorker Fifth Avenue 3.3L Poor Idle Quality, Surge, Stall, Misfire VIN: 1C3XY66R9C Hello group. This Chrysler just about has me down for the count. Did a code check and found no codes. Went on a test drive and noticed the speedometer very erratic and a moderate/severe miss between 40-60 mph while accelerating and at cruise. The erratic speed...	View
	2004 Dodge Dakota Sport 3.7L 2-1 shift VIN: 1D7HL38K94 Hi guys, I have a slip and long engagement from 2-1 shift on coast just as i touch the gas pedal to move on. I have in my hand tsb 21-007-04, that state to replace front pump. The symptom describe in tsb are for 4-3 shift, also after some research i was told t...	View
	1999 Ford F-350 Super Duty Lariat 7.3L right side front axel seal VIN: 1FTSW31F2X Hey Guys and Gals, I have a 1999 Ford F350 4*4 with a leaking front axel seal on the right side. Alldata and Mithel both say that I have to remove the diff carrier and take the seal out through the pumpkin. I know on the older ones you could remove them throug...	View
	2000 Ford F-350 Super Duty XL 7.3L 1-2 shift VIN: 1FDWF37F4X Vehicle came in for trans. overhaul. Same problem before and after o-haul. Stays in first gear until rpm and speed are HIGH, let off throttle, skips second, goes to third and overdrive. Will manual downshift to second. Will not manual upshift to second. Scanne...	View
	2002 Ford Windstar 3.8L On Board Modules VIN: 2FTZA54422 Hi Everyone: I have this '02 Windstar with a 620 miliamp current drain. I work for the L.A. Dept of Water and Power, so we have several of these vehicles. They're used for work, with cabinets and bulkheads instead of rear seats and rear a/c. Another tech had t...	View
	1991 Mazda MPV Cargo 2.6L Hydraulics ?? VIN: JM3LV5215M Help! Seems like it should be a simple thing but I am lost. One of my regular customers was away on trip and had problems with brakes took it to a shop and they told her she required a new master brake cylinder. It was still drivable so she came back and broug...	View
	2001 Mazda 626 ES 2.0L Poor Idle Quality, Surge, MIL Lamp on VIN: 1YVGF22C31 check engin elight on, idle speed at 1500-1800 steady & sluggishingly comes down on snap acceleration. removed & cleaned iac, checked several times for vacuum leaks around intake, no false air before mass air flow, all vacuum hoses routed correctly. mass air f... Trouble codes: P0507	View
	1996 Mercury Sable GS 3.0L No Heat VIN: 1MELM50U2T I posted this help request here because I don't have an overheating problem. Customer brought car in for no heat. Checked history & car was in last year for same problem. Last year we replaced stat but this did not slove problem. Flushed heater core & this fix...	View
	1994 Plymouth Sundance Duster 3.0L lubrication VIN: 1P3AP6436R Hi all,I've got this Duster that had to be overhauled because the trans. had locked up.I'm trying to figure out this lube circuit.It goes from pump to regulator valve in the valve body to converter controlvalve.One symptom is no pressure out thecooler line to ...	View
	1990 Toyota Camry DLX All Trac 2.0L Head light warning chime/buzzer VIN: JT2SV21J9L Not having very much info on this system in Mitchell I contacted the dealer and was instructed to replace the intergrater relay as "It is always going bad", Replaced it and buzzer is still not working. Any ideas for Toyo techs. Thanks, Franco [...]	View
	2000 Volvo V70 2.3L Mechanical VIN: YVIKSV70T9 When attempting to do download via ivadis with VCT2000 tool,ETM replacement, download error 6000 came up,ivadis help desk said to return info on c files in PC which we couldnt access completly,have done two successful ETM downloads in past without problems ort...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	1998 Audi A8 Quattro 4.2L Shift Cable VIN: WAUBG74D9W The problem is solved, replacing both shift cables restored normal shift rod operation. This was quite a job to do because of limited access to the transmission lever and, the shifter assy in the console. The actual problem was a broken locking tab in the shor...	4
	1997 Chevrolet C1500 Suburban 5.7L starter VIN: 3GNEC16R8V This was a tough one to find. I thought I had it when I found that the female connector in the relay block to terminal 30 at the starter relay was damaged and loose. Replaced the connector and all seemed fine for two days here at the shop. Returned it to custo...	17
	1995 Dodge Stratus 2.4L No Start VIN: 1B3EJ46X9S dial pin sheared off on cam shaft had it out of sync . thanks for the help!	10
	1988 Ford E-150 Econoline Custom 4.9L starter VIN: 1FTDE14XYJ Most replies indicated grounds etc but the simple fact is we replaced the solenoid with a Blue Streak Heavy Duty and had no further problems. They can be identified by the blue plastic housing.	26
	1996 GMC C1500 Sierra SL 4.3L Excessive Emissions, Poor Idle Quality, Hesitation, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 2GTEC19W7T Well, after checking several of your suggestions, I sent it to Chevy. They verified that ignition and fuel delivery were fine, and all sensors within parameters. By the way, befor I replaced the intake man gaskets, the truck did have a slight intermittent miss... Trouble codes: P0300 (Random misfire detected).	20
	1993 Honda Prelude VTEC 2.2L Poor Idle Quality, Surge VIN: JHMBB117XP It's fixed! The problem was the 'fast idle valve' not seating and cussing massive internal vacuum leak. Fast Idle valve is bolted to the bottom of the throttle body. It has two coolant lines going to it from the thermostat housing. When the coolant is cold, ... Trouble codes: 23 (Knock Sensor).	14
	2000 Land Rover Discovery Series II 4.0L MIL Lamp on VIN: SALTY1548Y Thank you Dennis [...] told us that you can only effectively retrieve codes for this vehicle with a Test Book,Rovacom, or Autologic scanner.Consult Altlantic B... Trouble codes: P0090 (Fuel pressure control), P1880 (code not defined), P0034 (Supercharger Bypass Valve control ckt low).	5
	1997 Lexus LS400 4.0L starter VIN: JT8BH28F9V I want to thank everyone that responded. Too many names to mention here. I apologize for the late closing! there were additional parts needed which had to be ordered'(not in stock).Everyone that said starter needed contacts replaced was right on! Local rebuild...	17
	2000 Mercedes-Benz ML430 4.3L cruise control VIN: WDC1631132 Thanks for the replies, Two suggested a throttle accuator and one suggested checking the tyre size(been caught by this one before). The problem however was high resistance in CAN data wiring to traction control module, replaced the suspect wires and all is now...	3
	1997 Mercury Cougar XR-7 4.6L push button on gear shift VIN: 1MELM62WOV Since we followed the alldata tree chart and found nothing wrong we decieded to duplicate the conditions when the problem occured. Most of you have that little air gun that when you give it air it blows hot air out of one end and cooled air out the other. We t...	2
	1995 Toyota RAV 4 2.0L Unknown VIN: E-SXA11G-A Thanks to all who took the time out to shear there views ,I recieved 6 replys some of which said that differncial spider gear washers...Customer has desided to liver on with the noise until such time Emeale	7
	1993 Volkswagen EuroVan GL 2.5L Poor Idle Quality, Hesitation, Cuts out VIN: WV2KC0701P I stand corrected . the ecm relay is the problem The relay powers up a black/yellow wire , pin 3# 38 on the ecm connector with the relay out and key on there is 8.65 v there with the relay in there is 12 v but the relay doesn't turn on, it's junk.. it just mak...	4
	2001 Volkswagen Jetta TDI 1.9L poor starting VIN: 3VWSP29M61 This 1.9 TDI is fixed! Thanks for all the help I received. This fix probably will not end up in a fix post area that will help the most, but those of you who receive may benefit. The fix was advancing the pump timing! As far as the Snap On Scanner goes, ye... Trouble codes: 16764 (P0380 glow plug circuit).	8

(Also Available: All, Asian, Chrysler, European, Ford, GM.)