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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for December 5, 2006
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Open Help Requests for All Makes and Models
Help Request Answers
1994 Acura Integra GS-R 1.8L ignition coil VIN: JH4DC2380R
Car came in with no spark, I think the coil is bad but dont know the ohms of resistance to properly check it out to make sure it is bad and not the ignitor. if anyone can give me the specs I would appreciate it. Thank you
1998 Audi A4 1.8L dash lamp on VIN: WAUCB28D7W
When starting the vehicle, the center display on the dash indicates a brake lamp bulb is burned out. Apon further inspection, we were unable to find any bulbs burnt out at all. I inspected power and ground supplies to each socket, and even replaced every bulb,...
1999 Audi A6 2.8L overheating VIN: WAUBA34B7X
We don't get much Euro's in the shop but when I do, IATN saves the day. This A6 came in with temp guage reading higher than normal, about 3/4 gauge. SOLUS confirmed that coolant was reaching 244 F, ouch!!! I noticed the electric fan wasn't on so I turned the A...
1997 BMW 740iL 4.4L exhaust manifold VIN: WBAGJ832XV
Hello group, This 740il has a blown out exhaust manifold gasket on the right side/rear cylinder. Alldata shows lifting up the motor and removing the transmission to do the left side,is this necessary to get the rh manifolds off? Was hoping to find someone who ...
1998 BMW 740iL 4.4L Surge VIN: WBAGJ8327W
this car once warmed up does a rhythmic surge every 3-4 seconds. It doesn't seem to act up unless it has shifted into high gear and locked up at steady cruise or maintaining speed on a slight grade. At 30-40mph the problem is more noticable, but is still there...
2000 BMW 328i 2.8L abs light VIN: WBAAM534XY
customer complained of abs mil on intermittently. also a slight audible clunk during light braking. brake fluid level was good and visual inspection shows 25% friction left in front and no obviously broken parts. abs scan with snap-on modis brought up code 73 ...
2004 BMW 530i 3.0L Headlight VIN: WBANA73584
Hello BMW Techs, The customer bought the vehicle at a auction and the origanal left front headlight was gutted from behind they took out the guts? So the customer bought another headlight complete from a wrecked car and brought us the used headlight assembly a...
1995 Buick Riviera 3.8L No Start VIN: 1G4GD22K8S
This one has been quite troublesome for me so maybe you can offer some good advice on this one. I purchased the car with a no start problem. He said the car started to run rough and then just would not restart. When I purchased the vehicle I found what I thoug...
1991 Cadillac DeVille 4.9L Electronic VIN: 1G6CD53B8M
Blower motor was working intermittently. When I got it to act up, found no voltage at power module from bcm. Unplugged bcm to do some testing, now when I plug bcm back in, the ECC screen is locked up with a lower case "d" displayed. How do I unlock display? EC...
1998 Cadillac Catera 3.0L brake pull VIN: W06VR52ROW
hey cadillac gurus and all interested parties. Happy holidays by the way and thanks for being here. We have this cadillac catera that is freaky. When braking it pulls left or right. Which ever way it takes a notion too. We have changed the front brake hoses an...
2002 Cadillac Escalade 6.0L Poor Idle Quality, Stall VIN: 1GYEK63N42
Hello IATN,this vehicle has a rough idle and a little low about 550 rpm. There is a hissing sound coming from the intake manifold area which led me to believe there is a vacuum leak but i have search and search and can not find it on the other hand I did a vac...
2003 Cadillac CTS 3.2L oil in cooling system VIN: 1G6DM57N13
their is no water in the engine oil only oil in the coolant system.water and oil mix turned into a jelly like material[sluge].no previous history first time customer.
1991 Chevrolet S10 4.3L Excessive Emissions, Poor Idle Quality, Stall, Poor Fuel Economy
we are at a loss on this one, vehicle came in running poorly. and for once when we started to work on it it won't even start, long story short-we have injection pulse and spark. when you crank vehicle it dumps fuel in closed throttle position, when you open it...
1999 Chevrolet Venture 3.4L Hesitation, BUCKS HARD VIN: 1GNPX03E6X
this van bucks real hard & acts like if you shot the ignition key of for a second then turn it back on mostley when cold, there is no codes, if you run this van for 2 minutes to warm up the problem will go away until it cools dawn again. thanks for the help
1999 Chevrolet Blazer 4.3L intake gaskets VIN: W8X2207871
this is a question for those who have replaced intake gaskets on this 4.3l blazer,trucks. the last two that i have done, when i get them back together and flush the heater core, block, radiator the vehicle only has heat. it will not switch to cold in the vehic...
1999 Chevrolet Tahoe 5.7L Distributor timming VIN: 1GNEC13ROX
Vehicle came in with check engine light and transmission not shifting.Pulled codes, code PO141 (02 heater circut), PO161 (02 sensor bank 2 sensor 2), P0756 ( shorted solonid B performance or stuck off, PO751 ( shift solonid A perfomance or stuck off), P1111 ( ...
2002 Chevrolet Avalanche 1500 5.3L dead battery VIN: 3GNEK13T52
Good day people. I have this Avalanche with a parasitic draw on the system of approx. 300 mili amps. I let it time out for 20 minutes and the draw is still there. I have determine that the inadvert power relay control side is staying energized. This is control...
2002 Chevrolet Suburban 1500 LT 5.3L parking brake VIN: 1GNFK16Z42
Hello fellow techs - the parking brake pedal goes to floor and does not lock the wheels - removed rotors - shoes new and adjusters free - could the cables be streached or am I missing something - thanks
2003 Chevrolet Silverado 1500 4.8L door panel VIN: 1GCEKI9V13
Hello everyone hope your day is going great This is my personal truck.I just bought it recently.There is a noise in the speaker in the front door and Ive tried to get the door panel off to see what is wrong and Im afraid of breaking the door panel.It looks l...
2004 Chevrolet Silverado 2500 6.0L n VIN: 1GCHK29U74
This vehicle was brought over yesterday for a stalling problem. I have cleaned the throttle plates, I have run sea foam through the intake plantim and also put a can in the gas tank. There is NO service bulletin on this truck, sometime the truck starts fine, s...
2005 Chevrolet Impala LS 3.8L tire pressure monitor VIN: 2G1WH55K15
Tire pressure monitor trouble. This customer has had repeated settings of this code even though the tire pressures have been good. There are no ABS codes(this system uses the ABS sensors to determine a low tire). I could find no service bulletins that cover th...
2001 Chrysler Town & Country EX 3.8L suspension knock VIN: 2C8GP54L61
this is making me crazy veh has knock from r.f. at low speed ive changed links, bushings, and strut tops still the knock persists
2002 Chrysler PT Cruiser Dream 2.4L steering pump VIN: 3C8FY68B22
fellow techs. i have this pt with hard steer at idle (no assist) if raise the rpms you get some assist. alldata suggests taking pressure tests i do not have test equipment. any suggestions on checking system would be appreciated . replacing pump not knowing fo...
2000 Daewoo Nubira SE 2.0L MIL Lamp on VIN: KLAJC52Z8Y
this awesome car came to us with p1133 in memory. graphing on a road test showed the waveform gravitating close to bias voltage at a steady cruise. the sensor was replaced (bosch), and the same characteristics remain. on heavy accel or decell, the voltages wil... Trouble codes: P1133 (o2 not switching frequently enough)
1989 Dodge Caravan LE 3.0L repeated head gasket failure VIN: 2B4FR3537K
As you can see this is an problem [have also seen this on one other Chrysler 3.0L, but this car was totalled & never saw it back again-Block was inspected for warpage & measured straight on this vehicle]. The machine shop says use a spray gasket sealer on head...
1992 Dodge Shadow ES 3.0L Fuel gauge VIN: 3B3XP6538N
Hi. I need some help. I have a customer that has a 1992 doge shadow 3.0l the fuel gauge goes all the way to the left(empty) on a full tank of gas it never goes to the right and the float works ive tried multiple fuel gauges and moduals that go on the cluster i...
1993 Dodge W250 5.9L No Start VIN: 1B7JM26Z3P
no start and had code 11 no crank signal checked for spark and injection pluse has none checked 8 volt rev. looks ok at crank and cam sensor i have also unpluged speed sensor still no start ohm signal wire gray with black tacer all ok i can command the asd rel... Trouble codes: 11 (no crank ref. signal to pcm)
1997 Dodge Dakota 3.9L inst cluster VIN: 1B7GL23X7V
i have a prob that i hope someone can help me with . the cluster fuse blows on this dakota as soon as you turn the key on . my search of the wiring shows that the cluster and the ctm are the only thing on that circuit but i have both of them unhooked and it st...
1997 Dodge Ram 1500 Laramie 5.9L engine noise VIN: 3B7HF13Z4V
This engine is as quiet as a church mouse when cold.After running for 3-5 minuites I hear an engine knock,the noise is on the left bank.It cannot be shorted by killing cylinders, as if it were a rod or piston knock. It dose not change when it is put into gear,...
1998 Dodge Ram 2500 5.9L gauges VIN: 1B7KF23D3W
this dodge diesel was brought to my shop after spending several weeks at another shop. customer's complaint is instrumentation. all of the idiot lights on the dash work, but no speedo, tach, fuel gauge, volt meter, oil pressure, or temp gauge. also odometer re...
2000 Dodge Grand Caravan 3.0L 2-4 solenoid VIN: 2B4GP2434Y
Caravan came in stuck in 2nd. Checked for codes and found P0700, replaced TCM as per Chart. Also found P0755. Rechecked after TCM replacement and code P0755 came back as if a HARD code! I started the tree and found using AllData that on test #3 I have an OPEN....
2005 Dodge Ram 1500 ST 5.7L windows VIN: WDCAU46OL1
1985 Fiat paninfarina 2.0L timing belt VIN: ZFRAS00B0F
ALOHA FIAT TECHS, I have this fiat spyder and need a timing belt schematic. If you can send it to my email. Thanks in advance, Warren [...]
1989 Ford Escort LX 1.9L No Start VIN: 1FAPP9598K
customer has been in several times for intermittent no crank. when problem occurs there is no spark but injector pulse is present.replaced distributor and customer drove vechicle for several weeks with no problems then problem occured again checked ignition sp... Trouble codes: 14 (pip signal)
1994 Ford Taurus GL 3.0L No Start VIN: 1FALP52U3R
The car will not start when cold. If you give it a shot of gas or starting fluid in the intake it starts right up and runs fine. If it is parked inside where it is warm it starts right up and runs fine. Computer test show no codes. ECM was replaced and still n...
1995 Ford F-150 Special 4.9L wipers VIN: 2FTDF15Y4P
hello all, customer said wipers went out all of a sudden. i found wiper control module (governor) bad. 2 tabs from pigtail to board were burnt in half. wiper motor pulling about 3 amps low to 10 amps on high. replaced module @ about $80., i think it fried with...
1995 Ford E-350 Econoline XL 5.8L Poor Idle Quality, Surge, MIL Lamp on VIN: 1FBJS31H2S
Hi gang! Need your help again! This Ford van is driving me crazy. Starts off running well. Then starts surging REAL HARD. MIL comes on briefly and then it runs good. Every time I run a KOEO it seems to come up with different codes. The 1 that is consistant is ... Trouble codes: 123 (121 -), 121 (129 -), 129 (636 -), 636 (632 -), 632 (411 -), 411
1998 Ford E-350 Econoline 5.4L engine VIN: 1FYSS34L8W
I need to replace the engine in this 98 e350. I have heard that the best way to replace the motor is to remove the body. It sounds like this is the best way since it is such a tight fit. Any feedback will be great.
2000 Ford Explorer XLS 4.0L oil pressure VIN: 1FCMU69K9Y
Have checked database and only have to check the oil pump drive. Our trucks do not have a removable drive like the explorer. All our tech data and info for our dealer say that there should be a drive clamped on the rear of the engine. Ours only has what appear...
2000 Ford F-350 Super Duty XL 5.4L Excessive Emissions, Poor Idle Quality, Surge, Misfire, Poor Fuel Economy VIN: 1FDWF36L5Y
truck in with timing chain bad. make repair, still not running right. sent to ford to reflash pcm, code came up stating was there because it needed to be reflashed, & would have a poor idle untill was repaided. ford told me that the valve guides were bad on pa... Trouble codes: P1780 (3-4 shift error)
2001 Ford Ranger Edge 4.0L transfer case VIN: 1FTZR15E81
After prelim diag replaced module and 4X4 is operational in 4 high only no 4 lo. You get nothing when you turn switch to 4lo. Removed motor and doesnt seem to be bound up, and all connections are good???Any suggestions would be appreciated.
2002 Ford Explorer XLS 4.0L 1st & Reverse
Currently the vehicle acts like the low reverse band is not applying tight enough. The vehicle will move in reverse if you are light on the throttle. If you press the throttle normally the vehicle moves a few inches then the trans acts like you shift it into n...
2002 Ford Explorer XLT 4.0L oil pressure VIN: 1FMZU73E02
Hello all have one here that is killing us. We put a primary timing chain for at rattle tsb. We have done this repair over half a dozen times in the shop with no problems. This one has a problem with oil pressure not getting to the drivers side head after the ...
2003 GMC Sierra 1500 SLE 5.3L Poor Idle Quality, Misfire, MIL Lamp on VIN: 2GTEK19T23
GM misfire diagnosis - easy right? This one has my tech stumped. The customer came in asking for a fuel pressure test as he thought he had a bad pump - he said that ever since he ran it out of gas the truck has run rough. Pressure was within spec & engine was ... Trouble codes: P0300 (Random/Multiple cylinder misfire)
1999 Honda Odyssey EX 3.5L MIL Lamp on VIN: 2HKRL186XX
This van had the original converter replaced at another business that went out of business. It came to us a month ago with MIL on, P0420. We found this converter bad by heat measurement. It was replaced and no other problems found. Fuel trim was + 1.0 % This v... Trouble codes: P0420 (catalyst below threshold)
2000 Honda Odyssey EX 3.5L timing belt VIN: 52XH512344
2001 Hyundai Elantra GLS 2.0L crank seal VIN: KMHDN45D31
installed timing belt less than five hundred miles ago. crank seal started leaking bad. installed new one but still leaking.
1997 Jeep Grand Cherokee TSi 4.0L No Start VIN: 1J4GZ585OV
this vehicle was towed into our shop for a no start condition,also customes also stated that the vehicle was acting up pryor to this all lights start flashing on and off, after looking at it we discovered that the fuel gauge and volt gauge were not working sta...
1997 Jeep Grand Cherokee Limited 5.2L Poor Idle Quality, Stall VIN: 1J4GZ78Y9V
vehicle after engine being revved stalls.unplug the tps and the vehicle dies.replace iac ,and repeat the vehicle stays running for maybe a week and then starts again
2000 Land Rover Discovery Series II 4.0L hydraulics VIN: SALTY1246Y
Vehicle came in with low/sinking brake pedal so after checking the rest of the system the master cylinder was replaced,now the sinking pedal has gone but it still has low pedal,if you pump it 1 time it comes back up,the vehicle does have traction control with ...
2003 Land Rover Discovery SE 4.6L MIL Lamp on VIN: SALTW16423
Very simple system, however having trouble locating technical data. I applied power to the AIR motor and it functions correctly, however I'm not able to get the PCM to activate it under its' normal operating conditions. The data I need is the location of the r... Trouble codes: P1412 (Secondary AIR injection fault implausible), P1415 (Secondary AIR injection fault)
1999 Lexus RX300 3.0L heat VIN: JT6HF1OU4Y
this lexus has no heat. all vent controls work as designed, air is great, engine warms up and runs at proper temperature, electronic temp control seems to be working. no heat in any setting. i am a german car guy and don't know much about lexus climate control...
1990 Mazda Miata 1.6L No Start VIN: JM1MA3511L
went to restart and will not fire, bucks like when timing is to advance in a disributor engine. but this is a fuel injected with a cam sensor. rechecked timing belt marks, good. compression check 195psi on all cylinders.
1993 Mazda MX-6 2.0L 2-3 upshift VIN: 1YVGE31A1P
the tran wount shift from 2 to 3 when the trans try to shift to 3 it like there nothing there so it gose back to 2 merry christmas to all
1997 Mercedes-Benz S500 5.0L planetary VIN: WDBGA51EOV
Hi Group, I am in the process of repairing this transmission and have heard and read about planetary failure caused by a needle bearing that comes apart and takes out the planetaries. I think there is an update to solve this problem but I have been unable to...
2001 Mercedes-Benz C240 2.6L Misfire, MIL Lamp on VIN: WDBRF61J01
Hello all have this Mercedes with miss fire inter. Cust said she was driving in the mountains when the miss started. When I first drove it it ran fine maybe underpowered a little. If I got on it hard it would miss fire and start to shut down injectors. I would... Trouble codes: 300 (301 -), 301 (303 -), 303 (306 -), 306
1997 Mercury Grand Marquis GS 4.6L Misfire VIN: 1MELM75WXV
Car has a misfire that affects all cylinders intermintently. Hot or cold. It is most noticable at lower throttle position. At steady cruise it seems worse because of convertor lockup. It also will miss a little at idle. My scanner reads misfire counts and all ... Trouble codes: P0300 (Random Misfire)
1988 Nissan Pathfinder SE 3.0L Unknown VIN: JN8HD16Y3J
This truck has been in my family since 1989. It has (and still does) run great. For the past two years or so, only during the initial start of the day it has a skip that last's no more than five seconds. There is no coolant loss and as you see in the repair hi...
2001 Nissan Frontier SE 3.3L g sensor VIN: 1N6ED27Y31
hi, techs- this frontier will set acode for the g sensor intermittently but i havent been able to pin the problem. g sensor is pricey and i hate to throw money at problems without a diagnosis. does anyone out there know what the computer is looking at to set t...
2001 Nissan Pathfinder SE 3.5L engine VIN: JN86RF8951
Hey fellow techs, I've got a pathfinder w/a rattling noise on the pass. side engine bank. I don't think its bottom end due to the fact load has no effect on it. I have pulled the upper intake and valve cover to find no obvious visual problems. Just wanted to ...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1995 BMW 525i 2.5L No Start, Poor Idle Quality VIN: WBAHB62080
Hi guys. Have fixed this vehical. Had lots of repleys and most siad voltage drop/bad earth.. I wnt through the whoel system Checking voltage and earths.I by passed the main relay and the fuel pump relay. My voltage at the battery was 12 volts and the car had p...
2000 Buick Regal LS 3.8L abs VIN: 2G4WB52K9Y
Replaced Ing. Switch Every thing is ok Thanks for all your help Jason
1992 Cadillac Fleetwood 60 Special 4.9L Misfire VIN: 1G6CG53B7N
Thanx all. Another bad PCM. Vicken and Leo put me on track.They suggested further injector testing. I was so hung up on the vacuum fluctuation that I never scoped the injectors with this PCM installed. The miss was consistent on #2 and Viola! The driver just w...
1996 Cadillac DeVille 4.6L No Start VIN: 1G6KD52Y3T
I sent this car on its way but am not convinced it is fixed.After countless hours and many sleepless nights I had to bail.The communication problem was intermittent and every time I went through the procedure of unplugging all modules and reconnecting one at a...
1988 Chevrolet C1500 Cheyenne 4.3L No Start VIN: 1GCDC14ZDJ
Well I have this one figured out. Although I don't have it running down the road yet, the repair is inevitable. A little more patience and organized diagnosis and I would have found the problem quicker and more professional-like. I had some great responses tha...
1996 Chevrolet K1500 Cheyenne 5.7L abs VIN: 2GCEK19R6T
Thanks to all who replied. The fix was a right front hub. What led me to this is when I finally had someone with me to watch my scantool, they noticed the RF was lagging behind till about 7-8 mph. Replaced hub which came with a new sensor and all is well. Th...
2006 Chevrolet Colorado LT 3.5L rear shoes VIN: 1GCDT13626
we ordered new brake shoes and installed. i double checked the auto tentioners and all components. the only problem i found was a lot of mud in drums. all seems well now.
2004 Chrysler Pacifica 3.5L Ventilation mode VIN: 2C8GF68404
It is fixed. (CONTROL HEAD) John from Florida had the best idea. I checked for power right at the back of the control head and there was none when moving mode. Checked resistance to all actuators and they were all close in ~. Then used a 9 volt battery and jum...
1995 Dodge Intrepid 3.3L No Start, INTERMITTENT VIN: 1B3HD46T0S
it turned out be be 2 problems first the igntion switch at times i would lose dash lights replaced switch thats ok now.the no start was the cam sensor,replaced starts every time.thanks to all that responded,this site is a big help and am very glad it is here. ...
1999 Dodge Durango SLT 5.2L No Start, No Spark VIN: 1B4HS28Y4X
I got a factory coil & it started right up. Nothing else was making any sense . Thanks for all replies
2000 Dodge Caravan 3.0L speedo VIN: 2B4GP2539Y
Hello,the fix was a rotted wire on the bottom of the asd relay.We finally got the van to act up.We had it in the shop,it started and continued to run,we twisted and stressed all wiring at the pcm and the pdc.We also did the 'rap'test on the side of the pcm,it ...
2001 Dodge Dakota Sport 4.7L MIL Lamp on VIN: 1B7GG22N41
I have just flashed the PCM with a new software update for false P0442 and other evap leaks.It has been a week now and it would have been back by now,Plus I road tested this truck twice.So its fixed. Trouble codes: P0442 (EVAP Small leak).
2003 Dodge Ram 1500 SLT 4.7L pcv system VIN: 1D7HU18N83
Installed the pcv repair kit from chrysler today, kit came complete with the new filler neck, air filter box cover and required hoses. Time will tell if the problem is cured but I am 99.9% sure this will have cured it. Thanks.
1991 Ford F-150 Custom 5.0L Poor Idle Quality, Poor Fuel Economy, MIL Lamp on VIN: 1FTEF14N0M
thanks everyone i cleaned all ground it didn't fix problum. costomer opt out of buying a new ecu.so no fix found. thanks anyways for all your help and time. joe
1992 Ford Mustang LX 5.0L No Start VIN: 1FALP44E5N
Thanks everybody. It was the computor. I just wanted to make sure I didn't over look something. It's just I had never seen or heard of this situation (pick-up bad, and no injector pulse).
2002 Ford F-250 Super Duty Lariat 7.3L low/reverse VIN: 1FTNW21F42
This puppy is fixed. Thanks to Aaron [...] for not only sending me diagrams, but answering my repeated questions! With the smashed oil pan and filter fixed, it still had little to no pressure at the test port. We pulled it out, and the pump looked brand new. L...
1997 Honda ATCY .66L No Start VIN: HA4-232936
Thanks to all 3 who replied. Fuel pump was bad. Replaced with CQ universal pump, ran for 2 days now no fire. Found a dist for used and some new parts. Waiting for a pick-up now. If it needs a CV shaft latter, Jon [...]'ll be in touch. Thanks again.
1999 Isuzu Rodeo LS 3.2L 1-2 Shift VIN: 4S2CK58W4X
First, thanks to all who responded. Second, I must apologize for being brief in my request. I didn't give you very much information about the initial diagnosis on the transmission in an attempt to be brief. Pete called me on it so let me clarify. We don't do t...
1987 Mercury Sable LS 3.0L Poor Idle Quality, will not idle VIN: 1MEBM53U3H
found map sensor to be source of problem. replaced and runs fine
2001 Mitsubishi Galant ES 3.0L Poor Idle Quality, Surge VIN: 4A3AA46H31
I appreciate the 3 responses after checking all that was suggested the customer did not want to pay for further diagnostics time, thanx again for you responses
1991 Nissan 240SX 2.4L dash warning lights VIN: JN1MS35P4M
Well guys thanks for the replies. Most said bulb check relay, but even disconnected the lights would stay on. Also tried disconecting the alt and double checked for ground issues. All replies were greatly appreciated but we were not able to meet a happy medi...
2002 Nissan Sentra SE-R 2.5L No Start VIN: 3N1AB51A32
Installed used computer w/matching identification numbers. Received several posts notifying us that the foam in the ECM container should be removed. Removed foan--installed used computer. We then had communication with ECM. This Sentra has a security system--t...
2002 Oldsmobile Bravada 4.2L Control Arm Bushings VIN: 1GHDT13S42
Well I have to close this one as unfixed. I did get the vehicle in the shop again, but customer wasnt ready to dissassemble at this time. From the looks of it, the upper bushings are different from the 2001. The lowers are actually not part of the control arm,...
1987 Plymouth Reliant LE 2.5L electrical VIN: 3P3BP31K7H
Thanks every, esp Randy why pratically wrote me a book on this issue only for me to not see his reply until today...2weeks after car has been fixed...not sure how that happened??? First off let me say that we replaced the power modle, not the logic. That was a...
1999 Saab 9-5 SE 2.3L No Start VIN: YS3EF48EXX
Thanks to everyone who took the time to reply. The fix was a bent reluctor wheel on the crankshaft. This was sending an improper signal to the ECM through the crank sensor. After John [...] responded to my help request we checked the sensor on the lab scop...
1996 Toyota Corolla DX 1.8L Right rear electric door lock VIN: 1NXBBO2E1T
Thank You everyone for your responses as I learned a lot from them. At this time I am waiting for the customer to return. John
2000 Volkswagen Jetta GLS 2.8L No Start VIN: 3VWSE29M5Y
no aftermarket accessory on the vehicle at all. Was a low battery situation when we connected the scanner. At that point backfeed must have happened or simular situation and fried the ECU. We replaced the ecu and reprogrammed, and everything is working properl...
2000 Volkswagen Beetle GLS 2.0L Poor Idle Quality, MIL Lamp on VIN: 3VWCC21C3Y
First thanks James, Hal , Mike and Norm for the replys . As i stated on the first message I thouth both o2s had been replaced ,turns out the rear was replaced but not the front , waiting for parts . The front o2 was touching the exhaust manifold (only when dri... Trouble codes: P1451, P1425, P1421, P1472, P0102.
2000 Volkswagen Passat 4 Motion 2.8L all gear VIN: WVWUH23B1Y
Thanks to everyone who took the time to reply. The fix for this car was to replace the SOLENOID VALVE N91.
2000 Volkswagen Jetta GL 2.0L compressor VIN: 3VWRC29M7Y
thanks to all who replied the car is GONE, replaced compressor AGAIN and it cools fine. never got a comp. that didnt pump, got a lot that were noisy so I was scratching my head on this one. all who replied said compressor was bad so thanks again for all the he...
1998 Volvo S70 T5 2.3L Mechanical VIN: YV1LS5345W
The customer elected to bail out on this one. I still believe there is something broken in the valve train. It had the frequency of a lifter noise but the tone of a knock. Several suggested replacing the o-rings in the oil pan as they fail often causing low oi...
1998 Volvo V70 2.4L No Start
Thanks guys! I figured out what I was missing. I didn't realize there was a transistor in the relay and that it used power from pin 15 on the relay. I hadn't found power at any other pin except 15 and noticing that pin 31 is grounded I assumed that the compute...
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