Automotive Technicians Technical Discussion and Fixes for May 9, 2004

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Open Help Requests for All Makes and Models

	Help Request	Answers
	1995 BMW 318i 1.8L Indicators VIN: WBABE52090 Vehicle LHS indicators won't operate. All fuses and switch, OK. Check inputs to indicator flasher unit, all OK, however no output on left hand side. Manually operated flasher for left hand side, no operation. Hazard light switch appears OK. Is there a check re...	View
	1998 Buick Century Custom 3.1L MIL Lamp on VIN: 2G4WS52M4W car came in complaining mil coming on and off intermitantly, didn't notice any driveabilty symtoms, scan tested with mentor, code p0341, checked scad data, cam signal enabled yes, checked waveform, with vantage, coming out of sensor, looks ok, any ideas would ... Trouble codes: P0341 (camshaft sensor circuit range/performance)	View
	1997 Cadillac Catera 3.0L No Start, Misfire VIN: W06VR52R2V Hello fellow techs, This car came into my shop after an alternator replacement done elsewhere. Customer complaint was the vehicle ran rough. We found a miss on #3 and #6 cylinders. There is no spark from that particular coil. We replaced the coil but have no c...	View
	2002 Chrysler Intrepid 2.7L MIL Lamp on VIN: 2C3HH46RX2 Hello, thanx to any suggestions in advance- This is my own vehicle and is becoming nothing but grief- The problem was always PO440 but also small leak and low flow- Performed all above repairs and problems seem to have gone away for couple of months- Now retur... Trouble codes: P4440	View
	1996 Dodge Caravan 3.0L No Start, Cuts out VIN: 2B4FP2531T car died while driving after startup , would not re start,found auto shutdoun relay is not being turned on by ecm , no codes , fuel pump turns on + off when key is cycled , service eng light turns on with key cycle,engine cranks good but no spark asd relay fee...	View
	1999 Dodge Dakota SLT 5.2L Cuts out, Misfire VIN: 1B7GG22Y8X This truck has an interrmittant hitch/misfire usually only when hot or after hot soak. If left idling for an extended it will do this unpredictably. It will also miss/buck just as you take off (manual trans) if you lug it a bit. Additionally it will ping fairl...	View
	2002 Ford E-250 Econoline 5.4L Lacks power VIN: 1FTNE24L92 I am a transmission rebuilder with some drivability experience.On my first road test I notised a severe lack of acceleration as you step into the throttle.When I see this scenario I suspect MAF, oxygen sensor or fuel system.Right away I noticed the mass air fl...	View
	1995 Honda Civic EX 1.6L Mechanical VIN: 1HGEJ1229S Hello all, Honda crank bolts are a big enough pain, but wondering if it is right or left hand thread makes it worse. Does anyone know about this particular car? Does anyone know of a list of which Honda's are left or right? I cannot find this mentioned in any ...	View
	1997 Honda Accord LX 2.2L engine VIN: 1HGCD5635V First time using IATN. Hi guys & gals. This car is dumping coolant into the oil. Head has been removed, checked for cracks at the machine shop and reinstalled. There was no evidence of any of the 4 cylinders being washed down when the head was off. When car is...	View
	1987 Mercedes-Benz 190E 2.6 2.6L Tempmatic Climate Control VIN: WDBDA29D2H I was "lucky" enough to buy this jewel for a small amount and now am trying to get it repaired for resale. The A/C seems to operate correctly when the ignition is on and the engine is off but will completely shut down when the engine is running. I am having so...	View
	1991 Mercury Tracer 1.9L noise VIN: 3MAPM10J2M car runs well,transmission works well, the question is, there is a popping noise,like a loose converter bolt or flywheel bolt, but they are tight, there is also(sometimes) a whirring noise. I am beginning to think the noise is coming from inside the transmissi...	View
	1996 Oldsmobile Cutlass Ciera 3.1L lifters VIN: 1G3AJ55M3T Help!this one has me working on mothers day,mom is not happy. This Ciera came in with lifter noise. The knock sensor kept the timing 20 deg. retard. First oil pressure tested at 55psi idle,so I installed a set of lifters. Starter and ran car,same noise. So I p...	View
	1997 Toyota Corolla 1.6L No Start VIN: 1NXBA02E5V thanks in aadvance. I'm getting no spark,and I come up with to codes, crank and cam sensor. I checked fix database and some of the fix's were similar but not the same.I don't believe that the two sensors could go bad at the same time. I've checked wiring to ec... Trouble codes: P0335, P0340	View
	2000 Toyota Tundra Limited 4.7L inner cv boots VIN: 5TBBT4815Y after installing the spacers with no problems i used the 4wd during a heavy rain storm for about 10 miles on the parkway i decided to check the cv boots and found both inner cv boots leaking...the boots are intact and in like new condition the bands are in pla...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	1986 Audi 5000 Quattro CS 2.2L No Start VIN: WAUHE0443G I would like to thank all who replied to my help request, especially Rolf in Pa. his input was very helpful in troubleshooting this vehicle. Unfortunately, I am no longer employed at this shop, so cannot tell you what the fix was. I requested a control module ... Trouble codes: 2111 (no rpm sensor input to received at computer).	15
	1994 BMW 740i 4.0L Customer Irritation VIN: 28RDE66322 This Vehicle is not fixed. I have talked with the customer when he picked up the gas cap and it seems the noise is coming from beside the drivers seat--console. This vehicle does not have the electreonic controls for the rear vent as the newer ones does. Sever...	8
	1978 Cadillac Fleetwood 7.0L programmer I have not yet fixed this car, but have confirmed that the problem is with the programmer. As I have replied to a few of you, This old fella struggles with his wife's health and it's not easy getting hold of his car. On Saturday I was able to check power and g...	10
	1996 Chevrolet C1500 4.3L Surge VIN: 1GEC14W9TZ first of all i would like to thank everyone how responed to my request.there was good suggestions.unfortunately my customer uses the truck on the road every day so it's been hard for him to leave it.when i can arrange a time i'll let everyone know what happen....	10
	1998 Chevrolet Camaro 3.8L intake/oil press sw ? VIN: 2GIFP22K7W She finally brought the Camaro in. I looked and the pressure switch is at the front on right side of car. Not leaking. Puiied upper intake (plunem) and there it was, lower intake leaking. Car also smokes a little for a while after sitting 7 or 8 hours. Think i...	4
	1998 Dodge Ram 1500 Laramie 5.2L A/C vent VIN: 3B7F13Y5WG Hello All Thank you for all the reply's, Most of you agree that it was a vacuum leak in the engine compartment, since i place a T fitting and a vacuum gauge just before the fire wall and the Vacuum drop off to 6 inch when i open the throttle, i did too, also...	11
	1997 GMC C3500 Sierra SL 7.4L Misfire VIN: 1GDJC34J2V The fix for this vehicle was to replace two defective injectors. When the customer brought the vehicle it they showed me two separate invoices for replacing all of the injectors. I never expected them to be the problem. The replies that I received suggested ...	10
	2003 Honda civic 1.6L fuel VIN: 2HGES16493 Well turned out easy in the end. High resistance in the fuel pump head. Fit new head and wireing and its gone Thanks to everyone	5
	1996 Jaguar XJ6 4.0L Excessive Emissions, black smoke VIN: SAJKX1745S Ok...it may be a fix? it may not? I will let this forum decide: but here's what I did after the replies to no avail. Exhaust backpressure test passed with flying colors and I detemined that the post cat sensors followed the pre cat (they ordinarily should not)... Trouble codes: P0420 (Catalyst Efficiency), 1 (testing and results).	3
	2004 Jeep Liberty Sport 3.7L Excessive Emissions, Poor Idle Quality, Misfire, Poor Fuel Economy VIN: 1J4GL48K54 thanks for the responces. all had good ideas mostly they said to check for bad o2 sensor. one said that the trucks getting moved for snow plowing tend to foul o2 sensors up and plugs. as I had mentioned the o2 had a nice sweep rich to lean. One other sudjested...	11
	1995 Kia Sportage EX 2.0L No Start, Cuts out VIN: KNDJA7236S Fix on this Kia was a leaking manifold gasket. The three replies I received were; mass air flow, cts, and cts or fuel. I checked the cts and found it to be out of spec according to Snap-on specs for vantage but when the new one came I found them both to read t...	3
	1992 Lexus ES300 3.0L engine Hello, I talked to the customer about the leak and he decided that it wasn't serious enough to try and fix. It was just annoying when it left a spot on his driveway and never leaked enough to add in 3,000 miles. Thank all of you for your replies. Jeff	5
	1988 Mazda 626 Turbo 2.2L Speakers VIN: JM1GD2444J Many thanks to Terry Berg for the hour long phone call While he dug through an old factory manual, I drew the graphics he described and annotated my schematics. Here's the skinny: L/F+,blue/orange; L/F-,blue/black; R/F+,blue; R/F-,blue/green; L/R+,green/red; L...	2
	1994 Mercedes-Benz SL500 5.0L Cuts out VIN: WDBFA67E2R The consensus of all who replied was that the engine wiring harness is the prime suspect. As instructed, I inspected the wires at the cam position sensors and coolant temperature sensor and several other places. The wiring insulation was split open longitudina... Trouble codes: 7 (Stored code in diagnostic module no CAN data transmission with EA/CC/ISC control module N4/1 or CC/ISC control module N4/3.).	10
	1998 Mitsubishi Eclipse Spyder GST 2.0L engine VIN: 4A3AX55F6W Thanks to all that replied.The valve stem seals were the problem with this vehicle. I also found that the PCV valve was broken inside.I tried replacing just the PCV valve and driving the car for two days but the smoke would not go away. So I replaced the seals...	8
	1989 Nissan D21 SE 3.0L Cuts out VIN: IN6HDI6S9J The '89 ('88 by VIN)has been fixed! After my request for help, I received several good replies concerning my problem of this truck not revving above 3,000 rpm. Let me start at the beginning. The customer brought his truck to my shop to have the engine swapped ...	14
	1995 Oldsmobile Cutlass Supreme SL 3.1L ABS lite and Brake lite on at same time VIN: 1G3WH52M5S Thanks to all who responded. I got an update for my scan tool, and came up with a code 51 (freewheeling gear in the ABS module). The trouble chart requires a TECH One to energize solenoids ,etc. I checked the resistance of the harness wiring between the ABS ...	7
	1998 Pontiac Grand Prix GT 3.8L abs VIN: 1G2WP12K8W Hello: I received three replies. One hit the nail on the head, but I didn't know it right away. Carl from PA said he had identical problem, and that it was in a short harness at the left rear wheel. Actually in my origional testing I questened this harness...	3
	1973 Porsche 911 2.4L Poor Idle Quality, Hesitation, Misfire VIN: 9113111561 hello all and thanks to all that replied and helped me fix this C.I.S problem. I had some dirt in injector #1 constantly fouling the plug. tapped on injector and went a way for a second. i removed the injector and checked spray patttern ok but injector was sti...	7
	1992 Subaru Loyale 1.8L MIL Lamp on VIN: JF2AN52BOP Hello all, Thanks for all the input. Most people said to look for a short in the harness (which we had). We finally decided to change out the ECM and the TPS together and this seemed to take care of the problem. We suspect that the 5 volt ref signal out of t... Trouble codes: 31 (tps).	5
	1994 Toyota Celica GT 2.2L motor, etc VIN: JT25T07N2R Thanks for the replies folks. Bolts and nuts are pretty much the same from car to car, and though we specialize in Benz and Volvo, this motor swap was straight forward. I did not find a step by step switch out in All data as some suggested, and as this has a m...	7
	1998 Volkswagen Golf GL 2.0L Misfire, MIL Lamp on VIN: WWWZZZJ025 hi techs... the first decision I to with this car before I went through all these was to change the Catalysit cause it might be blocked with leder, but my fault was that I talked to one f the Technicians in my garage and tld him to tae the car for changing t... Trouble codes: 17852 (potmeter for egr -212 not a plausible signal), 17833 (tank vent. valve-n80 short with ground), 17526 (02 heater [...]-sns2 open circuit), 17524 (02 heater circuit bank1-sns1 open circuit).	3

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