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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for May 11, 2005
International Automotive Technicians' Network (iATN) - Members Only
(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for Asian
Help Request Answers
1996 Acura RL 3.5L MIL Lamp on VIN: JH4KA9647T
Car has been in several times for P0401. I first checked the fix database and found several similar posts and replies about this problem including TSB's about the extended emissoin warranty, but in this case car had over 158k miles on it so no free trip to the... Trouble codes: P0401 (Insufficient EGR flow)
1998 Honda Accord LX 2.3L MIL Lamp on VIN: 1HGCG5649W
P0420, Do you think converter is faulty, or could the rear HO2S be reading incorrectly? I have a friend that owns a muffler shop, he said it is rare for a Honda cat to be bad. I ran at 2000RPM in Park, monitored both HO2S with scanner. Front one toggles from a... Trouble codes: P0420
1998 Honda Civic EX 1.6L MIL Lamp on, No Symptoms VIN: 1HGEJ65F9W
Hi Fellow Techs ;)} & Thanks in Advance !! ;)} Hopefully somebody has a clue, How to deal with a code # P1456... I Don't ;){ == Evap system leak in fuel tank area... This is my daughters car, picked it up cheap, wrecked, right front & some in the rear, she d... Trouble codes: P1456 (EVAP system leak in fuel tank area)
1997 Hyundai Elantra GLS 1.8L Hesitation, Surge, Misfire, MIL Lamp on VIN: KMHJW34M3V
Thanks to all in advance! we have had more than one of this type car with this problem. On acceleration there is an intermittant miss that turns the check engine light on. we have replaced the plugs with the correct ones from the TSB, ignition wires, coil pack...
2001 Hyundai Sonata GLS 2.5L Misfire, MIL Lamp on VIN: KMHWF35VX1
The problem I am concerned with are the 4 "UNKNOWN" codes. Clearing codes through the Modis would not clear these. I did a cold boot (Disconnecting and running the battery cables together, then disconnecting all modules and computers). After that I could clear... Trouble codes: P0302 (Missfire 2), P0081 (Unknown Powertrain code), U3118 (Unknown Network code), C0300 (Unknown ABS code), C0301 (Unknown ABS code)
2001 Hyundai Elantra GLS 2.0L Coolant in #2plug
Hello, This one Is My step sons.He called me today on His way to work car is skipping.Brought it To me and i found Anti freeze in #2Spark plug hole.I called my buddy down at hyundai to see if he had seen any problems.He said no not like this the only thing he...
1995 Isuzu Trooper LS 3.2L ABS warning light VIN: JACDH58W8R
After installing rebuilt axles we noticed that the ABS light was on. We tested for codes manually by jumping terminals 1 and 3 at the 3 wire plug under the dash. We retrieved code #51 for left front wheel speed sensor problem. We did test the sensor for a sign...
2001 Isuzu Rodeo Sport S V6 3.2L MIL Lamp on VIN: 4S2CM57W31
This '01 Rodeo came in with a complaint of MIL on and slightly sluggish up hills. I have no communication at the DLC. I'm using a Snap-On Scan tool and an EASE PC scan tool, both in Generic mode and get no response from the PCM. Snap-on says "No Communication"...
1993 Lexus LS400 4.0L Dash VIN: JT8UF11E5P
Vehicle came in with a complaint of performance issues at higher speeds. Complaint was that the car seemed to die or lose power after brakes were applied during high speed driving. The transmission gear selector light on the dash lites up when you apply the br...
1999 Lexus ES300 3.0L MIL Lamp on VIN: JT8BF28G7X
This car came in with several computer codes po325 knock sensor bank one, p0330 knock sensor bank 2, p0420 cat efficency , p0171 lean exhaust bank one and two misfire codes, Two coil packs were replaced, both knock sensors and both upsteam oxygen sensors were ... Trouble codes: P0171
1999 Mazda 626 LX 2.0L Alternator VIN: JM0GF10510
Replaced alternator, charging at 17v plus. New alternator voltage pulsing. evident when park lamps switched on. Purchased NEW-ERA Tester to try and eliminate PCM fault. Tester does not control voltage at all. New alternator charges within specs, although pulsi...
2000 Mazda 626 ES 2.0L MIL Lamp on VIN: 1YVGF22C3Y
Vehicle runs perfectly under all conditions, but the MIL troubles the customer. Troubleshooting the "lean bank 1" code, I found no vacuum leaks, fuel pressure is as specified, and all fuel parameters scanned properly. On only a hunch, I replaced the mass airfl... Trouble codes: P0171 (Lean Bank 1)
1992 Mitsubishi Eclipse GS 1.8L No Start VIN: 4A3CS44T8N
Car came to shop for no start condition when cold. If cranked on along time would start. Once in shop car would not start after basic test no spark. Futher test were done had power to dist but nothing out. Replaced dist with reman had spark for about [...] ...
1992 Nissan 300ZX Turbo 3.0L speedometer VIN: JN1CZ24HXN
Hello all, Speedo reads 0 when not moving, then rapidly rises as road speed increases. Reads 50mph at an estimated road speed of 25mph. Will eventually max out at 55mph, even if running at over 80mph road speed. Found several speedo problems in the archives th...
2001 Nissan Altima GXE 2.4L Poor Idle Quality VIN: 1N4DL01D21
This is for the Nissan techs,car came in with a bad idle and a #4 cyinder missfire,tuned it up and still the same,idles like it has a bad vacuum leak,after testing for a leak we discoverd that the front of the intake where it meets the head must be leaking,we ...
2001 Nissan Sentra GXE 1.8L MIL Lamp on VIN: 3N1CB51D41
Hello iATN members! Very few Nissans in our customer base so not as familar with their common problems. Hoping this is not the only vehicle with this problem. Customers complaint - stays in second gear (seems like it drops into limp home mode) when this happen... Trouble codes: P0600, P0725, P1605 (A/T diag communication line fault)
2000 Subaru Impreza L 2.2L MIL Lamp on VIN: JF1GF4355Y
vehicle consistantly brings mil on after being returned to customer code is calling for a new knock sensor however checked knock sensor wave form with scope and found ok after hitting it with hammer wave form looked "normal" also did same check at computor plu... Trouble codes: P0325
1989 Suzuki Sidekick JX 1.6L Poor Idle Quality, Surge, Cuts out, Misfire, always extremely lea VIN: JS4TA01V8K
Vehicle will start and die, can keep running by pumping accelerator. Always extremely lean. Will run when external fuel sprayed into TB. All major imputs, powers & gnds have been check at PCM. NO codes unless set by tech. Lab scope of injector shows 2.5ms puls...
1996 Toyota Tercel DX 1.5L MIL Lamp on VIN: JT2AC52L3T
Vehicle came in 7/2004 with PO420. Followed troubleshooting chart. Led me to r&r convertor. Vehicle returned a couple of months later with same code. Customer was advised to replace O2 sensor. Customer did not want to spend the money, so I would turn mil off e... Trouble codes: P0420

Fixes & Summaries for Asian
Fix/Summary Answers
1989 Honda Accord DX 2.0L No Start, Hesitation, Stall VIN: JHMCA5130K
First off, I would like to say, Thank You, to all the great tech's the replied to my help request. Every thing that was sent helped. The problem turned out to be corrosion in a wire for the coolant temp sensor. The problem wire was 12 inches into the harness u... Trouble codes: 12 (EGR System).
1998 Isuzu Rodeo LS 3.2L MIL Lamp on, BANK 1 LEAN VIN: 4SC2CM58W7
Believe the vehicle is now fixed. Customer has had it for a week and so far no more lights on. Followed the advice regarding the intake manifold gasket replacement. Many said that the o2 sensor plugs may have been on backward, but that was not the case. Replac... Trouble codes: 1171 (fuel system lean).
2000 Isuzu Trooper LS 3.5L right cam seal VIN: JACD58X5Y7
drainback orifice inside lower portion of seal housing was clogged and cleaning out orifice solved the problem
1998 Mazda B2500 SE 2.5L Excessive Emissions VIN: 4F4YR12C6W
Thanks to all of you who replied with information on the Mazda. All the suggestions were very helpful. After looing a little deeper into the engine, I found #3 cylinder to have no compression. Thanks Again, Daryle
2003 Mitsubishi Galant LS 3.0L Hesitation, Cuts out, Misfire VIN: 4A3AA46H23
I just wanted to say thanks to those who replied. You guys rule, but I'm sorry to say that the next day when I got to work, they had picked up the car. They could not wait, it seems that a day and a half is to long to wait to get your car fixed. But before the... Trouble codes: P0300.
1986 Nissan D21 E 3.0L Hesitation, Cuts out VIN: JN6HD12H6G
Thanks for all the help on this one. It turned out to be the tps it checked out good but when replaced solved the problem. I found the fix in the arcives from 1997 this is such a great tool to have
1989 Toyota Pickup SR5 2.4L Poor Idle Quality, Misfire VIN: JT4RN13T1K
I would like to thank everyone who responded to my dilema.I used the smogdoctor's advise and it worked perfectly.The tps was out of adjustment.The idle stop and throttle plate were fine.
1996 Toyota Corolla 1.6L Surge, Cuts out VIN: 2T1BA02E4T
After many hours of diagnosis we found although the wave pattern was good the crankshaft sensor was cracked. We needed to remove it to see the problem so don't always believe wave patterns sometimes old fashion eye balling works best. Thanks for all your help.
2000 Toyota Camry CE 2.2L MIL Lamp on VIN: 4T1BG22K87
Thanks guys it turned out to be the egr valve . It tested good but was restricting flow somewhere . Trouble codes: P0401.
2004 Toyota Tacoma Pre Runner 3.4L Alarm VIN: 5TEGN92N64
I received 4 replies to my question. I was told that I could hook a relay into the circuit somehow to disable the beeps. But, I found out that this is just a key-less entry system and not an alarm system as I had thought. So there's no real way to disable part...
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