Automotive Technicians Technical Discussion and Fixes for Jun 14, 2004

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	Help Request	Answers
	1993 Acura Integra LS 1.8L Excessive Emissions VIN: JH4DA9488P hello group this acura wiil not pass ga emissions. has excessive nox. fails at cruise, allowed is 1088, it reads 1705 ppm. barley passes at idle with allowed 984 and reads 862. the co% reads o on both. there are no codes stored. checked and rechecked egr syste...	View
	1996 BMW 328i 2.8L Cuts out VIN: WBACD3326T This customer came in two weeks ago with a complaint of hard starting. It wasn't real bad but it didn't just whirl right off like it had in the past. The MIL was on so we scanned the car and found code 83 for the crankshaft position sensor. I informed the cust... Trouble codes: 83 (Crankshaft Position Sensor)	View
	1991 Buick Skylark 2.5L No Start VIN: 1G4NV54U4M Hi Guys! What would you say if you have good spark, good fuel pressure,good compression, and every darn thing tests fine, yet you have no injector pulse? A noid light just won't light. The vehicle first came in with the fuel pump not making a sound. We shot...	View
	1993 Buick Regal Custom 3.8L Poor Idle Quality, Cuts out, Stall, MIL Lamp on VIN: 2G4WB54L1P Hi everybody. This Buick is really strange. Runs poorly, stalls, sets code 18 cam/crank error, occasionally backfires on accel. Doesn't affect any particular cylinder. Have replaced crank sensor (fins on balancer are all okay), ECM (with used), ignition contro... Trouble codes: 18 (cam/crank error)	View
	1995 Buick Park Avenue 3.8L Poor Fuel Economy VIN: 1G4CW52K1S Customer has complained about poor fuel economy. He used to get 30 mpg and now down to 17. This was the case before as well as after the major tune up. No codes and scaned data parameters all look normal. The vehicle seems to run great the tail pipe is a littl...	View
	1998 Buick LeSabre Custom 3.8L 3-1 wot downshift VIN: 1G4HR52KPV bench overhauled trans for another shop. had 1870 code conv. was blue,sealing rings on turbine shaft melted. replaced turbine shaft,stator support all frictions and seals 1-2 accumulator pistons and all sprags. gave unit back with reman conv. all was good on r...	View
	1987 Cadillac Fleetwood 4.1L Speedometer VIN: 1G6CB518XH Vehicle came in with inop. digital speedo. tested and found vss was ok on scanner. had 5 volt square wave out of buffer to cluster. Consulted identifix and was agreed to send in cluster to local GM dealer to have repaired. reinstalled cluster, put back togethe...	View
	1997 Cadillac Seville SLS 4.6L loss of coolant VIN: 1G6KS52Y0V Original complaint was lossof coolant from overflow. After compression check was good we replace intake & thermostat. We also flushed radiator. this is when we started having the temp gauge shoot up when running 70+mph. It may have been doing before unnoticed....	View
	1963 Chevrolet CORVETTE 327CID oil filter gasket VIN: 30837G1159 vehicle not used since 1976.vehicle in storage with marvel mystery in all cylinders , october 2002 drained oil replaced oil 30wgt new oil filter spin on type, pulled plugs free up engine by using breaker bar on crank bolt, then cranked over with starter. put p...	View
	1990 Chevrolet Lumina 3.1L Poor Idle Quality, Cuts out VIN: 2G1WN54TL1 Hello everyone. need help with this one, we think we had this problem before but for the life of 2 of us we can't remember what it was. car came in on hook. plugs were fouled, got engine running by disconecting fuel pump relay and clearing plugs. reinstalled f...	View
	1995 Chevrolet Astro 4.3L Excessive Emissions, MIL Lamp on This vehicle has no real drivability symptoms but failed our local E-test program and had to be given a conditional pass.It was very clean on the cruise portion of the test but as soon as it came to the idle test it failed slightly rich.The shop that did the E... Trouble codes: 45 (rich exhaust)	View
	1996 Chevrolet C3500 7.4L fuel gauge VIN: 1GCHC33JOT replaced fuel pump because of loud noise, customer came back in to the shop and said the fuel gauge now sways from empty to full when going around corners. so we dropped the tank and installed a new delco sending unit free of charge. customer still says its be...	View
	1998 Chevrolet C1500 Cheyenne 4.3L noise/noisy VIN: 1GCEC14W8W This truck was towed in 11/03. The fuel pump was out @ 109,000 miles. The owner stated that it was noisy before failure. WE replaced the pump with a GM unit. The truck /owner was back in 02/04 @ 113,000 miles with a very noisy fuel pump. We replaced it, again ...	View
	1999 Chevrolet Tahoe LS 5.7L Fuel Gauge VIN: 1GNEK13R7X the fuel pump moduel is less than 4 weeks old it was replaced with a delco moduel. Thanks in advance for any help	View
	2001 Chevrolet Tracker 2.0L No Start VIN: 2CNBJ13C21 Vehicle towed in with damaged engine (intake camshaft sprocket stripped and timing chain damaged). Installed used engine but vehicle will not start. Hooked up snap-on scanner and all I got was a no communication message. Went about troubleshooting and discover...	View
	1996 Chrysler Town & Country LXi 3.8L theft alarm VIN: 1C4GP64L7T The factory alarm often will go off after the van has been parked for 10 minutes or so. If the alarm is reset it will go off again after a few minutes. I would like to know how to disable the alarm system. Mitchell does'nt say any thing about shutting it down....	View
	1997 Chrysler Sebring JXi 2.5L Fues VIN: 3C3EL55H8V Have replaced Starter,even then every fourth or fifth start the starter fuse blows.Wiring to the starter is OK. The fuse is labeled Ign,Fuel,Starter.Fuse only blows when key is turned to start position, not on initial key on to prime the pump.Cannot locate sta...	View
	1999 Dodge Stratus 2.4L Surge, Stall, MIL Lamp on VIN: 1B3EJ46X1X Customer stated vehicle dies and restarts. Check engine light and cruise light come on. There are no codes present. Was able to duplicate lights coming on with Genisys scanner hooked to vehicle and no codes were set. Any ideas?	View
	1968 Ford Mustang 289CID Dash lights,interior lights VIN: 8R03C10245 Does anybody have a wiring diagram for a 1968 mustang convertible for under dash(my car) blows fuses for the dash lights and the interior lights do not work.Iwill be pulling the dash out to check further.Thanks.	View
	1991 Ford Ranger Custom 2.3L Cuts out VIN: 1FT5R10A1M This 4cyl. Ranger won't start or will run very rough upon start-up at times.After several key cycles it may start.I checked fuel pressure 40lbs. I changed both the EEC relay and the fuel pump relay because at times it was buzzing. I went over the grounds on th...	View
	1993 Ford F-150 XL 4.9L Poor Fuel Economy, MIL Lamp on, DOG UNDER LOAD VIN: 1FTDF15Y8P hi guys, have tried everything on this even thou i dont like replace with known good part its got them pcm, icm, pickup,coil i even replace the 22k inline restior. i have had this truck a week and cannot get this to go away. all patterns were good to start wit... Trouble codes: 213 (spout ckt open)	View
	1995 Ford F-350 Eddie Bauer 7.5L Slave & master cylinder VIN: 1FDKF37G1S Hello all, I have a problem here i hope someone has seen before. This truck has repeated failures of the clutch slave cylinder. I have been useing NAPA United parts. They have warrantied these parts for us but cant keep this up. The slave cylinder is VERY clos...	View
	1995 Ford Contour GL 2.0L engine VIN: 1FALP6532S This is the second time this vehicle does this to us for no apparent reason, 5 months ago in for service, suddenly won't crank, checked for seized starter, hydrostatic lock, jumped belt etc,,, went to push it out until further tests, tried with starter, starte...	View
	1997 Ford Contour GL 2.0L No Start, Stall VIN: 1FALP6535V This one starts hard cold, so window of testing is pretty narrow. Seems to have no fast idle. It will start and stall. IF you don't open throttle it will flood. Once it runs a bit it is fine. Starts well, idles up runs good. No codes, baro seems low. Tried MAF...	View
	1999 Ford Expedition XLT 5.4L Vent Temp VIN: 1FMRU17L8X This vehicle has cold air at the rear evaporator but is hot in the front. Technician says he hears the blend door moving when actuated. The blower motor works fine. Technician is aware of broken blend doors but wants to know of anything else that might cause t...	View
	1999 Ford Taurus LX 3.0L v.s.s. VIN: 1FAFP52U2X Hello Group, Thanks in advance to any help on this. I am generally familiar with this transmission but I do admit I don't do alot of transmission work. When the vehicle arrived it had no speedometer, no AC voltage output from VSS sensor and the customer had ...	View
	2001 Ford Mustang 3.8L high idle VIN: 1FAFP40481 Thanks in advance for your time and assistance, this Mustang came in with a complaint of high idle/bang when put in gear(it is an automatic). I test drove it to confirm the customers complaint. It idles about 1150 to 1400 rpm in park. No codes, tps is 1.01 at ...	View
	2001 Ford F-150 XL 4.6L Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1FTRRWO7W8 truck will miss very bad at 1800 rpm with or without a load has codes 320 351 356 rpms drop a lot not like a normal miss almost like it is going to die. i replaced the to coil with no change about 20k mile ago i replaced the plugs and boots i checked the crank... Trouble codes: 320 (erratic ignition), 351 (1 coil problem), 356 (6 coil problem)	View
	2000 GMC Yukon XL 1500 SLT 5.3L Poor Idle Quality VIN: 3GKEC16T3Y customers wife first had no start,customer got home and started vehicle,it started ok,but had service engine soon light on and irratic idle,customer brought to us,dtc 1580 stored,showed to pass and just had 1 fail history.idle would vary from 650 to 300.while ... Trouble codes: 1580 (tac-vcm communication)	View
	2000 Honda Civic DX 1.6L MIL Lamp on VIN: 1HGEJ612XY followed flow chart to no avail. I have replaced the evap bypass solenoid per TSB. the car came back with same code. any ideas or tips will be helpfull Trouble codes: P1457	View
	1994 Isuzu Rodeo LS 3.2L comp Truck came back with not cooling enough complaint after we replaced comp,drier,exp valve,evap core& flushed the system as it was full of that black stuff you see in ford systems. 48 deg at 85 ambient-70% rh after repairs now the truck is back again & so is the...	View
	1990 Land Rover Range Rover 3.9L Bearing Hey everyone, this one is making me loose my hair. :) This is my own car. A few weeks ago, My trans cooler line broke. While waiting for the lines, I replaced my radius arm bushings with the harder "Hot Rod" polyurithane bushings. Since then, I get a very no...	View
	1995 Lexus ES300 3.0L airbag VIN: JT8GK13T5S airbag lamp on, pulled code 22 with snap-on modis scanner, alldata does not list code 22, tried to clear with scanner & will not clear, lamp flashes like it is trying to clear but will not go out, local toyota dealer says srs code 22 has to do with battery dis...	View
	1979 Lincoln Continental 6.6L Accessories VIN: HJER455346 anyone have a wiring dia or any other info for the cruise control on this baby?...it does not work at all...checked swtiches on steering wheel and they seem to be ok...thanks	View
	1991 Mazda Miata 1.6L Ignition VIN: JM1NA351AM Replaced cylinder head and now will not start. Vehicle sat 3 months waiting for head. Ran fine, replaced head for oil leak, now won't start. Has fuel, spark, and INJ pulse.	View
	1997 Mazda Millenia 2.5L Hesitation, Stall VIN: JM1TA221XV hello ,this mazda came in with a knock sensor code .so i changed the knock sensor,and the code went away.then it started cutting off everytime you try to acell.and sometimes you dont have to touch the pedal and it will keep cutting off.when you first start it ...	View
	1995 Mercedes-Benz E320 3.2L Stumble @ start? VIN: WDBEA92E9S Code #17 keeps returning, customer drives for about 2-3 weeks, about 600+ miles the light comes on. Once came on right after starting when it had been sitting for 2 weeks, another time it came on after driving about 200 miles, then stopping and restarting. Th... Trouble codes: #17, #5	View
	2000 Mercury Mystique GS 2.0L brake pedal VIN: 3MEFM6535Y We replaced the front pads and rotors on this car. When the tech road tested the car he complained of low pedal. He then bled the brakes, replaced the rear shoes and turned the drums. That didn't help. I notice that the front pads on both sides of the car have...	View
	2002 Nissan Sentra XE 1.8L Poor Idle Quality, Surge, Idle Fluctuates VIN: 3N1C351D22 Hello fellow IATN members. I hope someone will be able to help me with my situation. I started the car and as soon as it was running, the idle was fluctuating between 1800 to 1100 RPM. When you put it in gear, the idle was steady about 700 RPM. I checked the I...	View
	1983 Other European 400I 4.0L No Start VIN: ZFFEB06000 this car starts fine when it is cold. once it heats up it looses spark. a new mudule was installed with the same results. we don't have a coil to try as it is a 3 wire coil. none of the parts dealers have this or any way to find it. if some one has seen this p...	View
	1999 Other European F355 3.5L air bag VIN: 2FFXR48A8X Hello fellow techs, I inadvertantly set the air bag light on this vehicle. Per the factory manual I should be able to reset this by jumpering the diagnostic connector. I believe I have located the connector by the floor fuse/relay box. The problem is that the...	View
	2003 Other European TAXI 2.4L a/c system VIN: SCRCD16N73 it seems that the compressor cycles at too high of a low side pressure. does anyone have any info reguarding the a/c electrical system and/or mechanical components? is there any parts updates or so on that may address this issue?	View
	1997 Pontiac Trans Sport 3.4L ABS Module VIN: 1GMDX03E4V This came in with ABS light on constant. Checked power and grounds and found B12, A9 to have 12V with key on. Term. C on connector 2 has power for 1-2 sec. then drops to 2.5 V. Check power at relay and find it has power from bat. and power to load side of rela...	View
	1991 Porsche 911 Carrera 2 3.6L MIL Lamp on VIN: WPOCB2965M Code 34 sets usually after about one minute of running, takes less time when engine is warm. I have tried another distributor and computer from another car, and the code still sets. I have changed connectors on both ends of wires,ohm checked them and checked f... Trouble codes: 34 (Hall sensor)	View
	2000 Porsche Boxster Roadster 3.2L MIL Lamp on VIN: WPOCB2985Y Hello, Thos Boxter S came in with MIL on, code P0133.Checked for vacuum leaks, none found. Tested O2 sensor operation, found bank1 sensor1 sensor switching slower than bank2 sensor1. Replaced O2 sensor, reset ECU and the same code came back after two days. Any... Trouble codes: P0133 (O2 sensor signal slow bank 1 sensor 1)	View
	1994 Saturn SL2 1.9L Transmission VIN: 1G8ZJ557OR Hello everyone and thanks for the help on this one. I have this 94 saturn that was towed in stuck in reverse. The customer backed up out of the drive and that was it, would not pull out. It will not physically pull out of reverse running or not. I am wonderin...	View
	1995 Saturn SL1 1.9L Surge VIN: 1G8ZH5282S Hey guys and gals, Looking for a little help here. This Saturn came into our shop with a complaint of surging at idle during warm up. It is fine when it is cold and once it fully warmed up, it only does it at a certain point in its warm up. I test drove the c...	View
	1999 Suzuki Swift 1.3L No Start, Cuts out VIN: 2S2AB21H3X Problem: Vehicle no start after hot soak. Now vehicle no start most of the time. What we've done: Vehicle diagnosed for no start when hot, had no ignition spark, good fuel pressure and volume. tested coils, wires, tested for codes, no codes. Scope tested cam a...	View
	1996 Toyota Camry DX 2.2L Chassis VIN: JT2BG12K4T Guys, I need help. We did a 90k service and timing belt on the car and "ever since" there is a knocking/clattering noise in the car. The noise is heard mostly when driving under light throttle at 35 to 45 mph. Sometimes it is heard when braking. Some days the ...	View
	1990 Volkswagen Corrado G60 1.8L speedometer VIN: WVWDB4502L The odometer went haywire, started counting up in ten-thousand mile increments, then quit all together. Since it's my own car, I figured I had a perfect opportunity to dive in to see how these things work. The main drive gear had slid down the shaft causing al...	View
	1999 Volkswagen Passat GLX 2.8L bucking VIN: WVWPD63B2X This car has been to two dealers When you are driving under a light load in any gear this car will buck like it is misfiring bad. if you speed up it goes away .Sometimes it willnot do it at all.There are no codes for anything. Mass airflow meter reading looks ...	View
	1999 Volkswagen Passat GLS 1.8L Poor Idle Quality, Misfire VIN: WVWNA63B8X Hello VW Techs, The owner of this car went on a 900 miles trip,during the trip the check engine light came on, and after driving 300 miles, the check engine light turn off by itself, when customer brought the car to my shop, check engine light was still off, b... Trouble codes: P00, 300 (misfiring recognized), P00, 301 (cylinder 1 misfiring), P00, 302 (cylinder 2 misfiring)	View
	2001 Volkswagen Jetta GLS 2.8L All Power Windows VIN: 3VWSE27MOY Evening and thanks for any insight into this VW ... I've been to the Bently Manual. I've tested for power to the Driver's Door Window Control Module. NO window operates. The Drivers' window is down and is there to stay for a while. The current path shows go...	View
	1998 Volvo S70 2.4L Central locks and AntiTheft VIN: YV1LS5540W I have an S70 with some intermittent problems. The car blows fuse 6 which supplies the anti theft and central locks intermittently (once every couple of days). The battery occasionally goes dead. I found that the secondary air pump was draining the battery but...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	1997 Audi A4 2.8L Radio VIN: WAUED68D8W Thanks to those who responded with the information i needed to fix this problem. I found out you need to hook it a vas 5051 vw/audio scan tool.	6
	1993 BMW 325is 2.5L Surge, Cuts out, MIL Lamp on VIN: WBAC133318 Well the fix is in as of today. We still have to do the repair to prevent it from happening again. Figured it would be something really wierd and it was. Turns out that under the right conditions the torque of the motor would cause the right motor mount bracke... Trouble codes: 1221 (Oxygen sensor), 1222 (Oxygen sensor).	4
	1992 Buick Skylark Custom 3.3L High Idle VIN: 1G4NJ51N0N Thank you all again for your quick responses, and car finally fixed and customer happy. Here is a list of my savors...lol (in no particular order), Bob [...]. What the problem...	8
	1993 Buick LeSabre Custom 3.8L No Start VIN: 1G4HP53L3P hello everyone i would like to thank you guys for all the replies i fixed the vehicle it was corrosion between the plates and the module for the ground i took it all apart cleaned the hell out of it hooked it all back up and the car started the first turn of t...	11
	1999 Buick Century Limited 3.1L Blend door actuator VIN: 2G4WY52MXX Well, guys, I'll try to make this as brief as possible. There were actually two problems with this vehicle. Larry & Ken both were right about the TSB. (TSB #02-01-39-001 Updated control head #[...] to address sweep calibration of actuators when power is los...	9
	1996 Cadillac Seville STS 4.6L drivers door lock VIN: 1G6KY529XT Sorry for the delay on the fix of this vehicle I was having trouble with my web service. I did post the fix on a update that I made but since Im in the correct place now the fix was to install the correct main relay. The dealer informed us that there was only ...	3
	1997 Cadillac Seville STS 4.6L Cooling Systems VIN: 1G6KY529XV ok folks, all but one or two hit it dead on, the head bolts, pulled thru, i'm sure of it! the customer may pull car back thru auction and re-sell, not sure yet. if we fix it, so much thanks to those whom responded.. john	15
	1993 Chevrolet K1500 Cheyenne 4.3L engine VIN: 1GCEK1429P Thank you to all of the techs who replied with quality info. I have not yet completed the veh. but recieved an e-mail stating that I used the techmail improperly. Get over it. I have parts on the way as I type and am very confident that the swap will be a succ...	12
	1995 Chevrolet Monte Carlo Z34 3.4L timing belt VIN: 2G1WX12X65 we do not know if was revering the timing belt or the idler pullys but it is not eating the out side edge of the timing belt anymore. thanks	5
	1997 Chevrolet Blazer 4.3L Torque converter VIN: 1GNDT13W8V Thank you all who responded. Some said the PWM TCC regulator valve could be bad. I changed the ATF and filter before and checked pan for shafings found everything clean. Some said check the A/T fuse in the dashpanel fusebox, which I did, with KOEO I got a volt...	12
	1999 Chevrolet Silverado 1500 5.3L Differential VIN: 2GCEK19T0X all replies say to change switch will order switch and scan bcm befor replacement if it dosent fix will repost thank all who replied	18
	1999 Chevrolet Express 2500 5.0L Poor Idle Quality, Hesitation, Stall VIN: 1GCFG25M9X Well, it's fixed! The faulty part was the VCM being corroded due to water intrusion. Some helpful suggestions were cleaning the MAF sensor, checking exhaust backpressure before the converters, and of course, checking the VCM for brake fluid/water intrusion bei... Trouble codes: P0152 (o2 bank 2 sensor 1 signal high), P1106 (MAP signal intermittently high).	8
	1998 Chrysler Town & Country LXi 3.8L Serpentine Belt VIN: 1C4GP64L2W Almost all the replies stated to only use dealer parts. I installed the parts recomended by both TSB's covering this problem with a new tensioner from Chrysler that has a new plastic idler pulley instead of metal. I also noticed that the Chrysler Idler was w...	14
	1994 Dodge B250 5.2L Hesitation, Stall, Backfires VIN: 2B7HB21YOR We belive this to be the timing chain. Customer did not want us to do exploratory surgery at this time. Company van and does fair for him.. LOL Thanks for all the replies sorry i can't give a definite fix.. Robby Trouble codes: 21 (02 Sensor), 37 (PTU TCC Solenoid), 45 (Overdrive Solenoid).	12
	2001 Dodge Caravan SE 3.3L Headlights VIN: 1B4GP25R71 Thanks to all who offered help. Many people warned me of the dangers of switching modules on Chryslers,of which I am aware, but I was certain that these two vans were optioned the same. I removed the power distribution module from the van and disassembled it a...	5
	1996 Eagle Talon TSi 2.0L monitors wont run VIN: 4E3AK54F3T The problem was that I could not get this car to pass Ca. smog inspection due to the OBD2 monitors not completed. I have worked on OBD2 cars since they came out and I had never seen a vehicle that was this difficult to make the monitors run. The fix on this ...	8
	1997 Ford F-150 Lariat 4.6L all gauges VIN: 1FTDF1766V Thanks for the replys. There were 4 of you that said to remove the steering colum upper covers to inspect the wires from the o/drive switch that come out of the pivot area of the shifter. The wires were chafed shorting to ground causing the fuse to blow becaus...	6
	2001 Ford Mustang GT Bullitt 4.6L All Gauges VIN: 1FAFP42X31 Suggestions pointed to ground problems or an aftermarket overlay causing the problem. Since the car was under factory warranty I sent it to Ford. They replaced the cluster. The cluster needed to be programmed with the keys.	3
	1990 Geo Prizm GSi 1.6L Poor Idle Quality, Surge VIN: 1Y1SL5453L Hi All Thanks for the 4 responses that I recived. One said (open loop and not enough info) NOT RIGHT. another said (pcv?) again not right. Third and fourth said (cold start valve attached to throttle body not getting hot with coolant or bad) both were right ... Trouble codes: 13 (rpm sig).	4
	1999 GMC Jimmy SL 4.3L day time running lights VIN: 1GKDT13WX2 hi guys thanks for all the replies. i can't beleive this is a normal condition. the customer states it never did it before. but any way it is normal and i thank you again. jeff	13
	1995 Honda Accord EX 2.7L Multiple indicator lights VIN: 1HGCE6668S It appears there was a bad connection at the TCM. Once I put it all back together I was able to clear the code and everthing worked fine. Thanks to all who responded.	3
	1997 Honda Civic LX 1.6L electrical VIN: 1HGEJ6574V Hello to all, Thank you to each who took the time to respond. Came across broken clockspring, however customer did not want to spend money to perform repair, I did later learn that customer had someone else install a universal horn button to make it beep...	9
	1991 Jeep Wrangler 2.5L No Start, Stall Thank you to all that said to look at the o2 sensor heater circuit. I definitely didnt even look in that direction because the wiring diagram i looked at did not have the o2 on the same page.(all data). so i checked the o2 wiring diagram and sure enough the he...	9
	1994 Jeep Grand Cherokee Laredo 4.0L vehicle theft alarm VIN: 1J4FX58S1R i will start out by giving all who replied a big thank you! we had the tech go over every connection. plugging, unplugging and cleaning. evidently there was a connection that was not properly seated. once all connections were gone over --- the vehicle started ...	8
	1996 Kia Sephia GS 1.8L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Misfire VIN: KNAFA1258T Thanks for the help. The EGR port suggestion was a good one, but the whole problem was a defective rebuilt 'CARDONE' distributor. I really appreciate all of the replies. Thanks again.	5
	2000 Mazda 323F 1498CC Hesitation, Surge VIN: SAFBAAMMM1 Well Guys! This one had me stumped. The customer came into me this morning with a letter from Mazda recalling the vehicle for a modified coil. This is a distributorless ignition system with 2 coil packs on the top of the rocker cover. And according to the lett...	10
	1992 Mercedes-Benz 400SE 4.2L Hesitation, Surge, Cuts out VIN: WSBGA42EGN It's fixed! Got a lot of replies saying to check secondary ignition,wire harness, etc. These are things we've already examined. I performed a couple of tests specifically to the harness between the EZL and the HFM units, the EA actuator, and reference sensor c...	9
	1995 Mercedes-Benz E300 3.0L Loud knocking noise VIN: WDBEB31E4P The customer who is somewhat hard of hearing and did not hear the noise himself, chose not to spend what might be an unknown amount of money to fix the noise. The car does run perfectly. Of the responses I received, mechanical connecting rod noise was mentione...	5
	1998 Mercedes-Benz S420 4.2L trunk lid VIN: WDBGA43G5W thank you to all for your help.I found a leak at the line at the element by the stricker,repaired it has been working three days now with no problems,I want to especially thank to all the replies that I received that explained how the system works	8
	1990 Nissan Pathfinder XE 3.0L Excessive Emissions, Poor Idle Quality, Cuts out VIN: JN8H17YDW2 After a day of test drives and checking grounds, the truck would not fail and the custmer decided to pick it up and it has not failed again. Thanks to all who took the time to answer.	3
	1993 Nissan Maxima SE 3.0L Turn Signals VIN: JN1EJ01F3P Hello everyone and thanks for the help on this one. I found that the turn signal wire to the right rear turn signal was chafed through the insulation behind the back seat at the left side. I repaired the wire and installed a new flasher and all is good Ron	4
	2000 Nissan Xterra SE 3.3L MIL Lamp on VIN: 5N1ED28Y4Y Hi Nissan Techs, I already find the problem, it was the Evap pressure sensor vacuum hose leak, the problem source. Trouble codes: P1448 (EVAP Vent Control Valve).	1
	2002 Nissan Sentra SE-R 2.5L guage VIN: 3N1AB51D92 The fix is after removal of cluster, found cirucit board burn from behind, order new old from dealer, install, okay, Did not found cause of failure of board, but was told by other nissan techns that the meter assembly goes bad frequently.	8
	1963 Oldsmobile supper 88 wa 260CID rear window VIN: 635C016605 i would like to thank everyone, many replies. recived correct schmatics & repair vehicle. thank you	9
	1997 Oldsmobile Aurora 4.0L blower VIN: 1G3GR62C8V Hello... This was a bit fustrating since there are so few of these cars in my area and no one seems to have much experience on them. Got three replies, but no one was able to answer my question. Jerry, you were certainly right when you suggested I go with th...	3
	1998 Oldsmobile Bravada 4.3L No Start VIN: 1GHDT13W6W After several emails and a few gray hairs later I have finally been able to diagnose this vehicle. Oddly enough if I plugged either BCM or the ABS module in I would not have communication. I ended up replacing them both with used 'test' units to satisfy my cur...	6
	1997 Pontiac Trans Sport 3.4L engine VIN: 1GMDXO3E5V The van had a broken cam shaft. replaced cam shaft and bearings.	8
	1989 Toyota Supra Turbo 3.0L No Start, Poor Idle Quality, Hesitation VIN: JT2MA71J5K I may have fixed this vehicle. I recieved four replies. One gentleman asked about the secondary ignition components. The second gentleman, Steve [...], referred me to a CTS that could possibly cause an overrich condition causing the engine to flood out. This ...	5

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