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Prev Professional Automotive Repair Technical Discussions for January 25, 2007
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1991 Acura Integra RS 1.8L Hesitation, Misfire VIN: JH4DA9346M
What happens with this car is while driving at a steady speed such as 45-55 mph, you can ease into the throttle such as when wanting to speed up a few mph, and the engine will misfire/hesitate for several seconds and will eventually shoot/accelerate the car fo...
1998 Honda Civic DX 1.6L cooling system VIN: 2HGEJ6525W
ok here is one im baffled on. The car came in for over heating, coolant was low and waterpump was leaking. We replaced waterpump and ran vehicle no more overheat. 1 month later car is back with overheat again. we checked cooling fans and they were both working...
2001 Hyundai Sonata 2.4L No Start VIN: KMHWF25S11
Hello all, This car was towed in as a no start. The owner said it just stopped while driving just like you turned the key of (instantly). After some testing, there is no spark at the plugs or coils. There is battery voltage and good ground at the #1 & #2 term... Trouble codes: P0335 (Crankshaft sensor)
2001 Hyundai Elantra GLS 2.0L Hesitation, Stall, MIL Lamp on VIN: KMHDN45D81
dealership replaced the transmission temp sender, car still has code p0711 trans fl temp sensor, customer wanted spark plugs put in, replaced with ngk plugs, then installed a new dealer fuel pump according to customers instructions. car intermittently has a su... Trouble codes: P0711 (trans. fluid temp sensor a ckt rng/perf)
1998 Infiniti Q45 4.1L P/S system VIN: JNKBY31A9W
Vehicle in for power steering leak - reservior area. Can fill the reservior and bleed system to correct level while engine is running. The second the engine is shut off, the power steering fluid level rises in reservior, (bubbly / cavitated) and belches out th...
1992 Lexus SC300 3.0L No Start, Stall VIN: JT8JZ31CON
got this lexus that is stalling and not starting on first start up intmittently. found that no power is being suplied to the fuel pump. acording to the wiring diagram there is a fuel pump ecu and the main ecu. would like to know what kind of signal i am supost...
1998 Lexus ES300 3.0L Steering VIN: JT8BF28G8W
Hello, and thanks in advance! I have this '98 ES300 that has a wobble while driving. It is not all the time, but gets worse as the speed increases. The car did this with the old set of tires, and still does it with the new set. When I first saw the car was aft...
2000 Lexus GS400 4.0L windows, Instrument cluster, door locks VIN: JT8BH68XXY
Hi, I have a customer's car here that has been acting up ever since it was jump started. Car sat for approx. 5-6 weeks and then had dead battery from sitting. Customer jump started car and all was ok. He then started have various different electrical problems....
1987 Mazda B2200 2.2L clutch VIN: JM2UF3137H
customer replaced slave cylinder on this truck and could not get it into gear. he brought it to us and we replace master cylinder. bled all of the air out and it worked. customer picvked up vehicle and it worked for a half hour. we brought it back in and reble...
1997 Mazda MX-6 LS 2.5L MIL Lamp on VIN: 1YVGE31D6V
hi, everyone code po400 still returns after i made repairs. this vehicle has two solenoids that control egr function thay are hard to get to my gess is one of them is bad? any help would be great! Trouble codes: P0400 (e.g.r. control problem)
2000 Mazda Protege DX 1.6L Alternator VIN: JM1BJ2220Y
Please help! There quite a few posts in the old tech mails but none seem to quite hit this on the head. This vehicle was towed in. The battery was completely 100% dead. Put a jump box on it and it started fine, checked charging voltage at battery and alternato...
2002 Mazda 626 LX 2.0L No Start VIN: 1YVGF22C22
car towed in this morning from another shop as no start, we had installed a fuel pump 3 months ago and their diagnosis was fuel pump again. i installed pressure gauge and sure enough no pressure, did not check for power and ground however unplugged connector a...
1997 Mitsubishi Eclipse Spyder GST 2.0L MIL Lamp on VIN: 4A3AX55F6V
Concern: Check engine light on, no other problems noted. Code P0443 comes up and returns randomly after extended test drives. Solenoid functions with an audible click, has control of vacuum with no leaking and source vacuum is good. All "visible" vacuum lines... Trouble codes: P0443 (Purge valve circuit malfunction)
2001 Mitsubishi Montero Limited 3.5L No Start VIN: JA4MW51R51
Thankyou for reading my post! Am hoping this problem has been seen before. This truck came to us running okay but needed some head work due to coolant getting into cylinder #2 causing slight missfires. Took us awhile to diagnose truck as a head problem due to ...
1980 Nissan 720 2.0L choke VIN: HGY7203756
Does anyone have info on function of electric choke on this vehicle. It has no power to choke thermostat. No blown fuses. I can power the choke thermostat from the wire at the choke relay and the choke will open. I have power at two wires at the choke relay wi...
1994 Nissan Altima GLE 2.4L No Start VIN: 1N4BU31D2R
This car has been dieing for a while and not restarting until it cools off. now it is dead and will not start. Engine is badly flooded. Cleared out and tried with the fuel pump relay out, it will fire a little but still no start. I have tested spark on all fou... Trouble codes: 11 (distributor signal)
1998 Nissan Maxima SE 3.0L No Start VIN: JN1CA21D8X
car wont start good fuel presure good spark no noid light at injectors.tried a crank sensor no change possible pcm?
2000 Nissan Quest GLE 3.3L No Start VIN: 4N2XN11T1Y
hi, I had this in before for fuel pump, tap on tank to get fuel pump to work, replace fuel pump [nissan] came back a week later no start no fuel pressure. Ran hot and ground to fuel pump harness works ok engine will start and run. Jump fuel pump relay lt grn/r...
2003 Nissan Pathfinder LE 3.5L engine VIN: JN80R09X33
1998 Toyota Sienna LE 3.0L windows VIN: 4T3ZF13C5X
Hello Toyota techs: This Sienna came in with a driver side window that hangs on its way up. It slows down and stops--wait a minute and it will go a little farther. It goes down fine. The regulator doesn't seem to be binding--could it be the motor? Does anyone ...
2002 Toyota Sienna LE 3.0L MIL Lamp on VIN: 4T32F13C92
I'm looking for some help/clarification. I beleive The catalyst is worn out on this car. Rear O2's are too active, indicating a spent converter. However, Toyota has a TSB for this code which says, essentially, replace the ECM-no diagnosis, just replace. My fee... Trouble codes: P0420 (catalyst efficiency bank 1)

Fixes & Summaries for Asian
Fix/Summary Answers
2002 Honda Odyssey EX 3.5L MIL Lamp on, Ping VIN: 5FNRL18002
Most replies pointed to EGR problems which I had stated all ready had been done to the vehicle. Finally tried disabling cylinders one by one by disconnecting Coil packs. When the number 2 cylinder is disconnect sound goes away. Ive never heard piston problems ... Trouble codes: P0172 (Fuel system too rich bank one), P1399 (Random misfire).
1997 Lexus LS400 4.0L no power assist VIN: JT8BH28F3V
michael [...]. if you are in lake norman area...
1999 Lexus ES300 3.0L lateshift 1-2 VIN: JT8BF28G3X
we removed transmission pan, replace filter and fluid. recheck improved for shifting from first to second, but now 3rd to overide will not shift when it cold, but will shift when transmission warm up.
2002 Lexus SC430 4.3L Alignment VIN: JTHFN48YX2
Thanks for all the replys. Many folks informed me of consistant tire issues on these cars. Some suggested a little different alignment setting. After reading these replys to my customer, she decided she wanted me to set the front end with more positive camber ...
2004 Lexus LX470 4.7L steering VIN: JTJHT00W44
Since this vehicle was under warranty, we directed the customer to the dealer, but he hasn't found time to get it out there. So, we don't know a fix. We had disconnected the battery, which set the variable gear ratio steering light to flashing--it quit flashin...
2000 Mazda 626 LX 2.0L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1YV6F22C3Y
Sorry for the delay. had to wait until we could get the vehicle back into the shop. We retested for a vaccuum leak at the intake and sure enough it showed up this time. Replaced the intake gasket today. Runs great. Thanks for all your help. Jerry
2003 Mazda 6 i 2.3L air bag VIN: 1YUHP80D83
hello techs excellent help as always found black locking tab on connecter also acts to releive shorting bar in bag.took a close look at tab (with my 1.25 cheaters)and noticed the black fingers broken at tips on new harness.swaped with drivers side bag and syst...
1996 Mitsubishi Eclipse RS 2.0L 1-2 shift, limp-in mode VIN: 4A3AK34Y5T
removed and diassembled solonoid pack. ohmed out solonoids all ok but found that 2 of the 4 solonoid arms had hammered out the black plastic coating and arm was able to make contact with brass electrical cicuits (the pressure switch circuits). put rebuilt unit...
1998 Toyota RAV4 2.0L MIL Lamp on VIN: JT3HP10V9W
thanks to every body that helped with this one i replaced the vsv [dealer had in stock] and gave back to customer all is well in toyota land again I would like to get my hands on that engineer who put that solenoid there . its just in the wrong place and .3 ho... Trouble codes: P0401.
1999 Toyota RAV4 2.0L cruise control VIN: JT3HP10V6X
I scoped the VSS at the cruise module and some of the square pulses had different widths, so i installed a used 3 wire VSS in the trans. Lou and Jim suggested that i should ck the VSS and there where no codes. Eigil mentioned a possible binding throttle cabl...
2002 Toyota Tacoma Pre Runner 3.4L No Start, Stall VIN: STEGN92N52
i'm going to close this without a fix. most of the replies had to do with ignition coils.i actually had a tech from the toyota dealership that i purchase parts from tell me the same thing. that a faulty coil would set my code p1300. i tested the coils the way ... Trouble codes: P1300 (igniter fault).
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