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Prev Professional Automotive Repair Technical Discussions for May 13, 2008
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Open Help Requests for Asian
Help Request Answers
2000 Hyundai Tiburon 2.0L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, MIL Lamp on VIN: KMHJG35FXY
hey guys this vehicle came in when I was off as an overheat. another tech found inop fan replaced fan and t stat with flush . this solved overheat concern. cust returned stated veh idles low and stall with off idle hesitation. scan tool revealed o2 sensor stay... Trouble codes: P0121
2003 Infiniti FX35 3.5L No Start VIN: JNRAS08W73
This Infinity got towed to my shop last week it died out on the street,after checks it showed that it does not have pulse for the injectors,Reading the bulletins i suspected crank or one of the cam sensors or wiring,but they check out to show good signals and ...
1999 Lexus ES300 3.0L convertor lock VIN: JT8BF28G4X
hello i have issue with this es 300, it came in smoking pretty bad, so i determined that we should replace the valve stem seals. noticed alot of sludge up top, i most of spent a solid day cleaning it out. i did not remove the heads, only the valve covers, uppe...
1999 Lexus RX300 3.0L Excessive Emissions, Poor Idle Quality, Poor Fuel Economy, MIL Lamp on VIN: JT6HF10V3X
Got one of the fancy Toyotas here that doesn't run so good. Came in with running rich, mil on, idling poorly, and occasional stalling. Had the Snap-On guy putting on a school to try and sell more Modis scan tools. A guy named Kevin popped up from Florida long ... Trouble codes: P0172
2002 Lexus LS430 4.3L Timing Belt VIN: JTHBN30F42
Installed a new timing belt and waterpump as per 90,000 mile service. The customer picked up the vehicle and drove 600 miles. Vehicle was towed back into the shop 3 days later after dying on the turnpike. We pulled off the timing covers and found the driver si...
2002 Nissan Sentra CA 1.8L Surge, Cuts out, Stall VIN: 3N1CB51DX2
This car has a high and rolling idle in park or neutral but seems just fine in gear. Customer says car will stall or cut out intermittantly on slow turns. I cannot make it happen but it does have this idle problem. Other than this idle problem this car runs pe...
2003 Nissan Pathfinder SE 3.5L MIL Lamp on VIN: JN8DR09483
car came in with check engine light on for dtc p0420 and p0430 i found rear exhaust tubes leaking and muffler craked i repaired the exhaust leaks and reset the mil. mil light returned on the next day. with the same codes p0420 p0430. now from the data stream i... Trouble codes: P0430 (catalyst efficency below threshold bank2), P0420 (catalyst efficency below threshold bank1)
1997 Toyota Tercel CE 1.5L Cuts out, Misfire VIN: JT2AC52L1V
Vehicle came in from another shop after installing a long block. Customer states the vehicle cuts out after gets operating temperature. States the vehicle did this with original block also. The "other" shop pulled code #P1300 and cleared x 1. This code has nev...
2004 Toyota Sienna XLE 3.3L Poor Idle Quality, MIL Lamp on, Blown Fuse VIN: 5T0ZA22C44
Vehicle from another shop- keeps blowing 10 amp ETCS Fuse under hood, checked- wiring- looks good visually, replaced fuse and cleared codes- can not duplicate problem- I suspect the throttle actuator motor is shorted internally but have not seen too many failu... Trouble codes: P2118 (Circuit Problem- Idle Motor)

Fixes & Summaries for Asian
Fix/Summary Answers
2004 Kia Optima LX 2.7L No Start VIN: KNAGD12854
When we finally caught this vehicle not starting again, we found no B+ keyed power at terminal V7 at ECU. This power comes from a 10 amp ecu fuse in the underhood pwer distribution box. There was power on both sides of the fuse & out of the box. The wire was b...
1994 Lexus SC400 4.0L Poor Idle Quality VIN: JT8UZ30C6R
Sorry for not getting back fellows, scoped out each individual coil and scope patterns were off the line. put 2 new coils in, and the car ran great. rescoped the new coils and had a nice crisp pattern from the secondary. thanks to all
2003 Mazda MPV EX 3.0L Misfire VIN: JM3LW28J03
thanks tou you who replied. Mazda says there is no misfire info for 2003 mpv . 2001 and 2004 have misfire counters but 2003 doesnt,[per mazda service]. Mazda says coils are frequently to blame for misfire, replace them all. truck runs great.
2002 Nissan Altima 2.5L engine VIN: 1N4AL11D82
Headgasket issues appear to be relatively common, based on the replies recieved, and was bad on this vehicle as well. As one post stated, there was no evidence of problems by looking at the gasket, only the fact that cyl #4 spark plug was cleaner than the oth...
2004 Nissan 350Z 3.5L Wont rev out VIN: JN12AAZ33A
Have replaced the variable cam timing solenoid and that has fixed the problem. It had an intermittant open circuit. Trouble codes: P1136 (Intake valve timing control solenoid valve.).
1991 Toyota Pickup DLX 3.0L convertor or ecu VIN: JT4VN93DBM
thanx for all the help on this headbanger some one replied check the wiring in the harness we unhooked the computer pulled the harness out into the engine compartment opened it up took a chance cut and soutered the brown wire with black stripe that had 3 wires...
1997 Toyota RAV4 2.0L Transfer case/Front differential VIN: JT3HP10VXV
Well, I guess that you can consider this vehicle fixed, but I am not 100% certain that the cause was what I believe it was. We posted this in the transmission forum as well and a couple of the guys there said that the transmission was likely overfilled and it ...
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