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Prev Professional Automotive Repair Technical Discussions for March 19, 2010
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Help Request Answers
1993 Honda Accord EX 2.2L Excessive Emissions VIN: JHMCB7651P
When O2 sensored monitored at idle its stays flat @ 900mv-930mv. Vacuum leak induced goes down 200 and will fluctuate between 200-600mv. At 2500 O2 350-520mv doesn't go lean to rich low enough but I it does when you enrichen system or create vacuum leak. Beliv...
1995 Honda Passport EX 3.2L No Start, Stall VIN: 4S6CK58V6S
I have a 1995 honda passport that has had a random stall with a no start. the transmission light will come on for a bit while driving and sometimes it will stall. after it stalls it will not start and the check engine light on the dash is not on. i have checke...
2001 Honda Accord EX 3.0L Poor Idle Quality, Hesitation, Cuts out VIN: 1HGCG16551
no trouble codes!!! turn over no start. checked coolant temp sensor, it is accurate. checked for spark and found spark plugs very wet, but we do have spark. put spark plugs in and now vehicle runs but it is very rich. checking timing, it is perfect. checked f...
2003 Honda Civic EX 1.7L MIL Lamp on VIN: 1HGEM22973
We have already done a service on this civic 1.7 vtec. Factory parts, used. adjusted valves cold. Missfire freeze frame at 2200rpm at 19mph throttle 28% , map 26.6 in hg. thinking if egr passage way can cause this like the older vehicle's. Trouble codes: 2002, 7201, 7101, 7401
2005 Hyundai Tucson GLS 2.7L No Start VIN: KM8JN72D25
vehicle comes in as a no start. Cranks over, no communication via DLC. No injector pulse. No spark. tested power and grounds at ECM and DLC all were good. Assumed bad ECM, replaced. Not the problem still all the same symptoms. Any suggestions
2006 Lexus RX330 3.3L Warning Lights VIN: JTJGA31U16
Customer states that abs, trac, brake lights came on while driving. Once car did not start on first key cycle, started after 3rd attempt. Warning lights coming on has happened 6 times. With vehicle stopped and start cycle repeated, no warning lights stay on. ...
1996 Mazda Protege LX 1.5L Poor Idle Quality, Hesitation, Poor Fuel Economy, MIL Lamp on VIN: JM1BB1414T
I think its the pcm personaly cuz its putting out more than 5 volts to the sensor just wanna make sure im 100% positive. If any body can Relate and maybe have some suggestions. Trouble codes: P1195 (EGRBS open or short)
1994 Nissan Altima SE 2.4L Blower VIN: 1N4BU31D2R
Hello Group, The blower motor will run with key off, all the speeds work and it turns off if you turn the blower switch off. Tracing the wiring on this takes you to the ignition #2 relay, pull the relay blower in-op. This relay should not be turned on with ke...
1998 Nissan Maxima GLE 3.0L engine VIN: JN1CA21A4W
A question for Nissan familiar techs.This Maxima was brought in for leaking and smelling oil burning.Upon inspection,can see oil dripping from passenger side toward firewall.Has dye in oil and can see it running down block from behind power steering pump.From ...
2005 Nissan Maxima SE 3.5L water pump VIN: 1N4BA41E45
This Maxima is occasionally running warm. I replaced a water pump and thermostat because it over heated and didn't seem to be moving water. Vehicle had no heat in the cabin and, would get hot relatively quickly. thought is was a bad water pump. It wasn't. The ...
2006 Nissan Pathfinder SE 4.0L fuel gauge VIN: 1344423334
this nissan pathfinder fuel gauge moves very slow or wants to stay on e after replacing fuel level sensor please help. i replaced the fuel level sensor because the gauge wasnt moving and then after replacing sensor put 5 gallon fuel in and gage didnt come back...
1993 Suzuki Sidekick JLX 1.6L Fuel pump VIN: JS3TD03V3R
Vehicle was towed into shop with complaint of crank but no start. Imedietley checked spark, has great spark, also good compression, but no fuel pressure at all. Spray alternate fuel source, vehilce runs fine. Went to back of vehicle and unplugged fuel pump con...
1979 Toyota Celica Supra 2.6L No Start VIN: MA46005478
1998 Toyota 4Runner Limited 3.4L Misfire, MIL Lamp on VIN: JT3HN87R4W
New customer came into shop complaining of misfiring. He had vehicle scanned previously and replaced #6 plug before he brought it to us. I scanned and found #6 and #2 misfiring. I switched sparkplugs and made sure wires were routed correctly. Misfire #2 went a... Trouble codes: P0306
1999 Toyota Tacoma SR5 3.4L Excessive Emissions VIN: 4TAWN72N2X
Hello to all! We have a 99 Toy that is giving us a little trouble. Failed e-test, customer brought us the truck, checked for codes and got a p0171, checked air filter and MAF, customer usually cleans his own K+N air filter and overoiled it it looked like, filt... Trouble codes: P0171 (lean mixture code)
2003 Toyota Camry LE 2.4L MIL Lamp on VIN: 4T1BE32K63
Vehicle sets code P0031, O2 heater circuit high. California calibration/ULEV. (A/F ratio sensor). Tested by trouble tree provided to MOD by Toyota. All tests good except heater element resistance measured at ~3 OHMS. Have tried three A/F (including OEM) senso... Trouble codes: P0031 (O2 heater circuit low)

Fixes & Summaries for Asian
Fix/Summary Answers
1994 Honda Civic LX 1.5L No Start VIN: 1HGEG8662R
Thank you for all yoru replies and they are very helpful. I told the customer tht it was basically the cpu or the ignition switch. They decided for now they can deal with it cause ther money is tight. Im going to try to find a civic taht i can switch comput...
1998 Lexus LS400 4.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: JTHBH28FXW
Thanks everyone for your help. I pulled the valve cover like Richard said and it was really clean. Greg had it right on, i replaced the OCV with a new one and it started working correctly. I just dont understand how it would make a diffrence when the old specd... Trouble codes: P1351 (VVT Circuit range/Performance problem Bank2), P1354 (VVT System Malfunction), P0300 (random misfire), P0302 (misfire cyl2), P0304 (misfire cyl4), P0306 (misfire cyl6 and p0308 misfire cyl8).
1990 Nissan Pathfinder SE 3.0L Cuts out, Stall VIN: JN8HD17Y5L
hello everyone.this truck had a two fold problem#1 the power transistor/ignition module would work when cold and then would cut out at hotter had a recall on these years ago.problem #2 the substrate in the catylitic converter was melted causi...
1992 Toyota Previa LE 2.4L Stall VIN: JT3AC12R3N
Thanks to all, Got alot great information from everyone, checked most of everyones replies, as kinda a process of elimination the fix ended up being a bad coolant temp sensor as many had suggested. again thanks to everyone for thier assistance, always great to...
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