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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for September 21, 2005
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Open Help Requests for Asian
Help Request Answers
1992 Acura Vigor GS 2.5L Cuts out, Misfire, MIL Lamp on VIN: JH4CC2657N
vehicle spits consistant code 4 only breaks down under load. code 9 does not consistantly come up. i dont have test harness available to properly test vehicle. crank angle/cam sensor and tdc has been replaced. computer has been replaced with known good compute... Trouble codes: 4 (crank angle sensor), 9 (tdc)
1989 Honda Civic LX 1.5L No Start, Hesitation, Cuts out, Stall, Misfire VIN: 1HGED3556K
Hi Honda techs! Thought we had this one licked, but customer drove ~100 miles before it died on the freeway. I suspect the main relay, igniter, coil or ECM. Unfortunately, it's running perfectly in our shop. Will the main relay cause the engine to lose power b...
1999 Honda Accord LX 2.3L MIL Lamp on VIN: 1HGCG665XX
after repair of any fraid or melted wires under dash. mil code p0135 replaced primary oxygen sensor. no heater voltage. removed relay and tested ok. relay will not engage unless a test light is touched to green w/red stripe wire relay will engage. traced wire ... Trouble codes: P0135 (primary oxygen sensor heater malfunction)
1998 Isuzu Rodeo S 2.2L engine VIN: 4S2CK58D3W
1991 Lexus LS400 4.0L Hesitation, VIBRATION AT 1100RPM VIN: JT8UF11E5M
need help. this vehicle has a vibraton felt through out vehicle at 1100-1200 rpms in park. not able to reach rpms mark in drive due to rear tires will break loose during power brake. engine runs smooth at idle and when driving. vibration is most noticed with h...
1993 Nissan D21 SE 3.0L Excessive Emissions, Poor Idle Quality, Hesitation, Stall, Poor Fuel Economy VIN: 1N6HD16S6P
hi we are the 2nd shop to have this one. it runs very lean and will stall at idle if you block return line will run good. have tested fuel pressure 35 psi, disconnect regulator goes to 44 psi, both in spec.fuel volume is good. blocking fuel return raises fp to... Trouble codes: 33 (o2 sensor or circuit)
1996 Subaru Legacy Outback 2.5L cooling system VIN: 4S3BG6855T
Vehicle will overheat at times without warning while driving. May go 2-3 weeks without overheating. Temp gauge will remain at halfway or below and then move rapidly to hot. Pushes coolant out of overflow tank, but is not boiling. Cooling fans operate to specs....
1999 Subaru Legacy Limited 30th Anniversary 2.5L Head gaskets? VIN: 4S3BG6852X
Just a quick question to see if anyone has had trouble with these heads cracking or possible piston sleeve damage from overheating. This car was driven to shop!!! With a "Coolant Leak" Attempted to drive into shop and ran rough. Pushed in, removed rad cap, pum...
1993 Toyota MR2 Turbo 2.0L Hesitation, Surge, Cuts out, Misfire VIN: JT2SW22N8P
Customer describes symptoms of complete lack of power intermittantly while cruising. He states it acts as if he takes his foot off of gas pedal. He can depress clutch and engine will idle smoothly, but will buck under cruise and acceleration. Seems to correct ...
1993 Toyota 4Runner SR5 3.0L MIL Lamp on VIN: JT3VN39W9P
Thanks in advance for your help. This vehicle came to us with check engine lamp on code 41 tps circuit. Perfomed circuit test and passed all voltage and sweep tests. Replaced tps adjusted to specs. Vehicle came back couple of weeks later with dtc 41. Perfromed... Trouble codes: 41 (throttle posion sensor circuit)
1994 Toyota Pickup DLX 3.0L suspension VIN: 41AWN72N5X
Thanks in advance for any help on this head banger, I have a noise in the frt. end which when driving sounds like a loose frt. shock/loose frt.stab. link pins only when hitting bumps in the road (as slight as tar repair stripes to make the noise). I have inspe...
1994 Toyota Land Cruiser 4.5L MIL Lamp on VIN: JT3DJ81W7R
Hello, Everybody!! This Land Cluiser came in for MIL on. Checked code and got 71 (EGR malfunction). Applied 5in vacuum to EGR valve and it died. Checked vacuum to valve ))) No vacuum. Checked Modulator and it's diaphram was leaking, so got new one (same part# ... Trouble codes: 71 (EGR malfunction)
2000 Toyota MR2 Spyder 1.8L No Start VIN: 01Y0020414
Car is a no start. Live data looks good except the rpm stays at 0 when cranking. The maf sensor value changes as it should when cranking but the rpm stays at 0. Also the fuel pump does not prime, but works when manually triggered. The security light goes out a...
2001 Toyota 4Runner SR5 3.4L MIL Lamp on VIN: JT3HN86R61
This code says that the system requires too much fuel enrichment - system running too lean. The code tree led us to replace air/fuel ratio sensor. (oxygen sensor) We have checked fuel pressure and inspected for possible vacuum leaks. Vehicle runs well. The cod... Trouble codes: P0171 (fuel trim feedback - lean)

Fixes & Summaries for Asian
Fix/Summary Answers
1991 Honda Prelude 2.0 Si 2.0L Alternator VIN: JHMBA4224M
Thanks for all the good replies. I believe the problem was in the regulator and/or diodes as some stated. I replaced the alternator so far, so good.
1999 Honda Odyssey EX 3.5L P0740 converter VIN: 2HKRL1860X
looks like this one needs to go to the dealer. I cannot belive the transmisson is toast! it shifts great/no slippage. I wish someone could explain why this code is coming up and what really is the problem. there was no metal on the magnet, the fluid was clean ...
2001 Honda Accord LX 3.0L Excessive Emissions, MIL Lamp on VIN: 1HGCG16461
Most replies I got confirmed what I already knew about the carbon issue. Only one confirmed what the voltage on pin 4 and 6 and agree that it was a pcm I sent car to dealer because those have to have the security system reprogrammed I haven't heard back if he ... Trouble codes: P1491.
2003 Honda Odyssey EX 3.5L cruise control
thanks for the info guys, were not sure if the signal on this wire is coming from or going to the pcm, regardless the customer wanted the vehicle back, and it may still be under waranty, so we'll wait and see what happens.
2001 Isuzu Rodeo LS 3.2L MIL Lamp on, NO THROTTLE VIN: 4S2CK58W11
This truck was sent to the dealer to have a new throttle body put on under waranty. The best information came from Marty. He is a factory tech guru, and gave me info which isn't published. The throttle body is the cause of one of these codes. The neutral safet... Trouble codes: 1125 (controlled fuel and air metering), 1295 (controlled fuel and air metering), 1515 (controlled controlled vehicle speed idle control auxillary input.).
1996 Mitsubishi Eclipse 2.0L head VIN: 4A3AL54F8V
A lot of the replies were head gasket. One said the turbo housing could leak oil to the cooling passage. I checked that with the turbo off and it was ok. I changed the head gasket and Im pretty sure that was the problem. I couldnt really tell by looking at the...
2001 Mitsubishi Eclipse GS 2.4L speedo VIN: 4A3AC44G41
I found the speedo sensor and subharness to be shorted, did not find any other problems. Thought might have problem with insturment cluster but everything looks ok. Thanks for the help.
2001 Mitsubishi Diamante LS 3.5L MIL Lamp on VIN: 6MMAP67P01
Presumably this vehicle is fixed. The MAP sensor reports EGR function to the PCM, but does not report to the generic scan data, which is the only data I have for a Mitsubishi. Nevertheless, it is easy to check with a voltmeter, and I found the idle voltage at ... Trouble codes: P0401 (Insufficient EGR flow).
1995 Nissan Altima GLE 2.4L time VIN: 1N4BU31D2S
The information that I recieved about this car is. Two replies suggest that I make sure tht the timing chain and timing gears are properly lined up. One reply suggesting that I make sure that the cams are the right ones for this engine. One Suggestion regardin...
1994 Toyota Camry LE 2.2L Poor Idle Quality, Hesitation, Cuts out, Misfire VIN: 4T1SK12E2R
Well most everyone said install an OE coil, so I did. I put an OE coil in an aftermarket distributor, wires, cap and rotor. Ignition system still would not fire a spark tester. I still felt based on all the info I recieved and the way the vehicle was acting th...
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