Automotive Technicians Technical Discussion and Fixes for Apr 18, 2004

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Open Help Requests for All Makes and Models

	Help Request	Answers
	1992 Chevrolet Lumina APV 3.1L Surge, Misfire VIN: 1GNDUO6D7N Hello fellow Technicians. Today a customer of ours brought in his Chevy Lumina APV Van, with a 3.1 Liter engine. The car is experiencing a misfire/bucking under acceleration. Upon test driving the car, to verify the complaint, the car was bucking under sligh...	View
	1999 Chevrolet S10 2.2L Excessive Emissions VIN: 1GCCS194XK This vehicle fails for high NOx. Check Engine light is off and all sensor ranges are normal. We performed a fuel injection service and it did not help and replaced the fuel filter. It has no EGR Valve. I heard reflashing the computer might help. I need some he...	View
	2002 Chrysler Town & Country LXi 3.8L No Start VIN: 2B4GP74L52 This vehicle cranks but does not start whenever it wants. At that time I have no asd. Look at cam and crank signals right, o.k.. crank is easy, 4 pulses then a space, 4 pulses then a space etc., cam signal is a little different, in between the crank pulses the...	View
	1994 Dodge Dakota 5.2L line press. original complaint : heard loud pop then no movement. rebuilt trans with new converter new clutches &seals. reinstalled now no line pressure. ck pump ok .	View
	1987 Ford F-250 Custom 6.9L Engine VIN: 1FT1234567 Just looking to see if anyone out there might know were I could find a good used Diesle motor for this truck, this is my truck which was stolen, police found it with a blown motor, hole in block broken crank. I am looking a good used 7.3 or 6.9 or a good rebui...	View
	1995 Ford Probe 2.0L rpm VIN: 1ZLT20AXS5 my friend has this car I took it for a test drive. when you're at forty or doing fifty ever once in awhile the rpm's go up. the throttle is at the same postion. I looked on the iatn data base and there is not much for probes there. I think it is the tcc but no...	View
	1991 Lexus LS400 4.0L MIL Lamp on VIN: JT8U11FE6M Good Evening We have this 91 Lexus LS400 4.0L V8 with a Code 13 (RPM signal circuit). According to the information in Alldata Code 13 is generated for 3 reasons. 1) No NE signal input to ECU for 50 milliseconds or more when engine speed is 1000 rpm or more. 2... Trouble codes: 13 (RPM Signal Circuit)	View
	1992 Lexus ES300 3.0L engine Hi I have this lexus with a 3.0L that has an oil leak. The customer said that it will leave a spot about a 3" diameter one time and the next time it won't leave a spot at all. Does not seem to matter how far it is driven. We cleaned it off and let him drive ...	View
	1999 Lexus LX470 4.7L igntion switch VIN: JT6H00W8X0 Vehicle towed in...ignition switch turns to acc, run, and start...but it does not engage the ignition switch (no accessory power nor does the igntion system turn on and no engagement of the starter). Also it does not turn the steering lock mechanism nor actuat...	View
	1997 Mercury Villager GS 3.0L Stall VIN: 4M2DV115VD Towed in no-start.Completely flooded,5 plugs were newer and correct.Replaced one unreplaced plug,cap,rotor,plugged fuel filter,checked wires,set ignition timing and road test.Ran excellent.Retry later(2 hours),would run erratic for second or two immediatly aft...	View
	2001 Suzuki Grand Vitara XL-7 2.7L Timing Components VIN: JS3TX92V91 Timing area noisy for last 10K miles. Customer wants us to do the repair. I have read about this problem before, but currently cannot find anything in the archives. Alldata shows 3 timing chains as well as various tensioners, guides and idlers etc. My questi...	View
	1991 Toyota cab/chassis 3.0L Excessive Emissions, Misfire, MIL Lamp on VIN: JT5VN94T6M A week after we installed a reman engine, customer came back with a check engine light. Had code 71, EGR system.Checked EGR and found it to be working, too well, in fact. If you hold the engine at 2500, a noticeable misfire is present, and after a while a burn... Trouble codes: 71 (EGR system)	View
	1993 Toyota Pickup 2.4L Surge, HIGH IDLE VIN: 4TARN81A7P Hello friends. I have just replaced the timing chain, guides, tensioner, and gears because the one of the guides broke causeing noise. After completing the repair and starting, the idle stays really high, appx., 1500-1600 RPM. Then after running for a few minu...	View
	1996 Toyota RAV4 2.0L No Start VIN: JT3XP10V97 Hello Toyota Techs, I need help on this one! Vehicle towed in, no start. Fuel pressure 45-50 psi. Injector pulse ok, and bright spark ok and bright, check coolant temperature sensor ok, map sensor ok, check cam timing ok. It acts like it's out of time. I...	View
	1990 Volkswagen Golf 1.8L Hesitation, Surge, Cuts out, Stall, Misfire VIN: 3VWFA01G5L Vehicle runs ok until it gets hot, and then it runs poor and stalls.Feels like it is running out of fuel,but the fuel pressure is good and so is the fuel volume.It appears that something is causing the injectors to lean the fuel right out because spraying a li...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	1989 Audi 100 2.3L Excessive Emissions, No Start, Poor Idle Quality, Cuts out, Stall, Misfire, MIL Lamp on VIN: WAUBB0442K First I replaced the collasped breather hose from engine block to breather pipe, then I replaced the damaged breather hose under the intake manifold. I then replaced the 3 prong sensor at the water flange on the head because I thought it was triggering the col...	5
	1999 BMW 328i 2.8L MIL Lamp on VIN: WBAAM5334Y This vehicle has been gone now for a week with no reports of a MIL light on so I'm going to call it a fix. Codes 144 & 146 are large and small EVAP leak codes and code P0441 is low purge flow. The leak codes are pretty straight forward but we are betting that ... Trouble codes: P0441 (Evap low flow), 144 (Evap large leak), 146 (unknown).	5
	1997 Chevrolet Malibu 2.4L Electronic VIN: 1G1ND52T8V Hello, thanks for all your inputs, I replaced the input sensor and shift solenoid which seems to have correct the problem. But apparantly, it appeared the original was not correct, according to the color and distance between sensor and input shaft gear...	1
	1997 Chevrolet Express 3500 5.7L Engine VIN: 1GTHG39R4V Ok Now I feel real Stupid !! After Talking to Mr. Hyper-hot head I found he has been adding oil every couple of days or so. So on the advice of Jeff [...] I did an oil change. Guess what ?? 10 QUARTS of oil in the engine!! I did a complete oil change and all ...	23
	1996 Chrysler NEON 2.0L Cuts out, Misfire VIN: IC3ESA7C47 Hi guys. Thanks for all the replys to this request. It appears these cars may give a few electrcal problems. I traced back through the loom and check all conections. All appears ok. I taped around the ECU and checked and clean the plug conections here. In the ... Trouble codes: P0351 (ignition coil No 1 primary circurt).	18
	1984 Dodge Power Ram 50 Custom 2.0L engine conve VIN: JB7FP24D1E I had two replies in which I was informed that the fly wheel and bell housing are different.Thanks to John [...]).I think that I will just fix the engine that is in it.	2
	1999 Dodge Stratus 2.5L Timing Belt replacement VIN: 1B3EJ56HOX The 8 Replies I got were very accurate. A 3-4 foot long extention and 15 MM wobbly. Up over the cat got the one in the center. the passenger side one was tougher as it is hidden by the abs unit. Very tight working on this car.	7
	1993 Ford Taurus GL 3.8L 2-3 shift VIN: 1FACP5241P Thanks to all the responses. I was hoping it would be something simple, but in the end I had to replace the whole transmission.	5
	1993 Ford Mustang LX 5.0L Poor Idle Quality, Stall, Misfire VIN: 1FACP4OEXP well boys, thanks very much for all of your helpfull responses, i rechecked tps sensor and reset it to .98 volts koeo was steady at 1.03 volts running, istalled a new fuel pump 190lph and turned the mass air meter a little to the left car has ran great with no...	11
	1997 Ford E-350 Econoline 6.8L No Start, Cuts out, Stall VIN: 1FDLE40S8V I assume I fixed the vehicle ,even though I'm not sure what did it. It may sound stupid, but that's the way it was. The customer has picked up his vehicle and is happy. I had to leave the replacement computer in the vehicle, because I could not return it. I re...	9
	1998 Ford Ranger XL 3.0L Unknown VIN: 1FTYR1408W Howdy! Several of you recommended I remove the ABS sensor from the rear differential, clean off the metal filings, reinstall and drive. That did the trick! Thanks! The tone ring inside the rear diff looked OK. We drained and installed new fluid to try to minim...	13
	2001 Ford Crown Victoria 4.6L No Start, Poor Idle Quality, Surge, Cuts out, Stall, Misfire VIN: 2FAFP73W71 Turned out to be an intake vacuum leak after all. At the back of the plastic intake plenum we found a 1' round hole with what looks like a 'missing' frost plug. We guess that when our tech tested for intake leaks he used the wrong vacuum port to inject the smo...	8
	1999 GMC Sierra 1500 SL 5.3L 4wd/2wd VIN: 2GTEK19T5X I received 3 replies to my issue, none of which were the problem. Thanks trying to help. The issue is resolved. There was a crack in the plastic housing that seals the motor in the actuator emulator. This allowed water to compromise the integrity of the motor....	3
	1991 Honda Civic DX 1.5L No Start VIN: 1HGED3648M We had this vehicle in the shop for 2 weeks and could not get it to not start as previously stated. It even set outside for 2 days untouched and still fired right up. Returned it to the customer and less than week later called and said it wouldn't start! Servi...	16
	1995 Honda Accord LX 2.2L Poor Idle Quality, Cuts out, Stall, Misfire VIN: 1HGCE1824S Well the problem is solved. I would like to thank Brian [...]. Almost everyone had a point that we had to consider. We... Trouble codes: 43 (Fuel Delivery).	11
	1993 Jeep Grand Cherokee Limited 5.2L Excessive Emissions, No Start, Stall, Misfire VIN: 1J4GZ78Y8P Thanks to all the many people that responded. It turned out that the cam and crank sinc signal was out. I attribute that to timing chain play due to the mileage. I adj the signal with the aid of my master tech following the chrysler bulletin to the Letter. Car...	11
	1997 Land Rover Discovery SD 4.0L High Idle Speed VIN: SALJY1249V Thanks so much to those who replied, this was the first Rover I had the opportunity to repair. I was informed that these vehicles need the factory scan tool to properly reset the idle adaptations. I found a large amount of carbon formed to a cone shape on the ... Trouble codes: 130 (O2S1B1 fault), 150 (O2S1B2 fault).	4
	1991 Lincoln Town Car 4.6L 3-4 shift VIN: 1LNCM81W6M Thanks to all that replied. This one ended up being a hung valve in the valve body,had cleaned it over and again but didn't get it clean enough, replaced the valve body and all is repaired. Pressures were rechecked as advised and TV cable set again as advised,...	3
	1985 Mercedes-Benz 380SE 3.8L Poor Idle Quality, Misfire VIN: WDBCA32COF Well, at last, some resolution to the problem. It turns out that the injectors that I installed had three defective ones in the batch. I replaced the three that were leaking down and the problem has gone away. Customer informed me that the MB is running very w...	20
	1994 Mercedes-Benz C280 2.8L upshift delay valve VIN: WDBHA28EXR After reading your replies I became 'mentally' prepaired for this job...to make things even worse two (2) of the six (6) tranny pan bolts were seized solid and I was forced to use the 'needle nose' trick to pull & hold the rod up to hook it up to the cable - f...	9
	2000 Oldsmobile Alero GL 2.4L No Start VIN: 1G3NC52T9Y The problem turned out to be the passlock lock cylinder. Replaced cylinder and problem has not occured in a month. Thanks for all the good advice on this problem such as reprogramming security module and broken wires at ign switch.Thanks again, Spencer [...]. Trouble codes: P1632.	8
	1998 Pontiac Bonneville SE 3.8L wont start good fuel VIN: 1G2HX52K9W Yes the problem was the plastic intake. Note that we also had to get all the antifreeze out of the cyl. & replace the spark plugs	36
	1999 Porsche 911 Carrera 3.4L sliding roof VIN: WPOZZZ99ZX Thanks for the replies guys, turns out the sliding roof has a control unit built in to the motor drive assembly which is faulty. The vehicle comes in this week for a new one.	2

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