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3rd Generation Toyota 4Runners 1996 to 2002

100 messages,  Last post on Nov 11, 2009 at 1:39 PM

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#2 of 100 Re: 3rd Generation Toyota 4Runner ('96-'02) [steve_] by jshoes51 Mar 21, 2006 (8:03 pm)
I just bought a '96 4runner with 150k miles. It's a 5 speed and I noticed right off the bat that in order to start the car the clutch has to pushed in very hard to get the engine to crank. Is there an adjustment of the switch that won't allow the engine to crank unless the clutch is depressed? I know I can override the clutch-in-to-start feature with the button on the dash. Replies to this message: duke15 (Apr 03, 2006 9:58 am) blackrunner (Apr 09, 2006 9:52 pm) nippononly (Apr 14, 2006 7:16 am)
#3 of 100 jshoes by nippononly Mar 23, 2006 (8:11 pm)
mine is the same way. I have wondered the same thing idly as long as I have owned it, but it has never been a problem to start so I never got beyond the idle wondering stage.   If it were replaced, I wonder if the new one would be the same way. Certainly on other models that I have worked on with clutch safety switches like this one, there has been no adjustment for the switch.   Wow, so we 3rd-genners now have our own thread and everything? Cool.
#4 of 100 99 4Runner Limited Check Engine Light by boluca Mar 31, 2006 (2:53 pm)
99 4Runner Limited, v6. The check engine light keeps coming on. I had the codes read and it came up with a PO171 which they said was 'System Too Lean Bank 1'. The parts store said to replace the oxygen sensor before the cat. I changed it and the light comes back on after about 20 miles. The truck seems to run fine. It has 77k miles. Any ideas what this could be. I don't want to keep changing parts. Replies to this message: bobgordon (Mar 31, 2006 4:45 pm) boluca (Mar 31, 2006 5:04 pm) boluca (Apr 16, 2006 2:49 pm) nonunion (Jun 28, 2007 12:16 pm)
#5 of 100 Re: 99 4Runner Limited Check Engine Light [boluca] by bobgordon Mar 31, 2006 (4:45 pm)
Replying to: boluca (Mar 31, 2006 2:53 pm) I think your parts store was too eager to sell you an O2 sensor. Some further diagnostics are in order. Granted, O2 sensors are the most likely component to fail, there is still other things to look at.   Clogged/dirty injectors can create all sorts of drivability problems even though the vehicle seems to run OK.   Have you ever had the injectors cleaned? If not, go to your local Target or auto parts store and find a product called Chevron Techron Fuel Injection Cleaner. It's the best out there! Run your tank almost empty and add the cleaner (per instructions) and fill your tank with a good premium gas; Amoco Ultimate works well. Drive till the tank is close to empty and see if this corrects the problem.   An "open" or a "short" in the heated O2 sensor (sensor 1/bank 1) circuit can cause this code. Mass Air Flow meter can also generate this code along with a faulty or weak Engine Coolant Temperature sensor.   Find someone with a decent scanner that can read the wave pattern of an O2 sensor to make sure it's operating correctly. Also check the circuit for "opens" or "shorts". Do the same for the Coolant and Mass Air Flow sensors.   Good luck and hope this helped! Replies to this message: boluca (Mar 31, 2006 5:04 pm)
#6 of 100 Re: 99 4Runner Limited Check Engine Light [bobgordon] by boluca Mar 31, 2006 (5:04 pm)
Replying to: bobgordon (Mar 31, 2006 4:45 pm) Thanks, I have run 2 cans of injector cleaner through the truck. I guess I'll have to have someone trouble shoot the system.
#7 of 100 Re: 3rd Generation Toyota 4Runner ('96-'02) [jshoes51] by duke15 Apr 03, 2006 (9:58 am)
Replying to: jshoes51 (Mar 21, 2006 8:03 pm) I don't have that problem with my AT 4Runner, but I did have that problem with a MT Chevy Truck I used to have. In that case, the pressure plate on the clutch assembly was going bad. It lasted about a year, then I had to replace it and that solved the problem.
#8 of 100 Re: 3rd Generation Toyota 4Runner ('96-'02) [jshoes51] by blackrunner Apr 09, 2006 (9:52 pm)
Replying to: jshoes51 (Mar 21, 2006 8:03 pm) ijust replaced my clutch in my 98 runner with 113,000 5 speed ive had it for two years and same problem until last night i blew up the clutch it seems as tho i dont have to push it down as hard now but now i have a chatter when im at idle or in gear and not on the gas but as soon as you touch the pedal it goes away any ideas my guess is the throw out bearing is hitting but ?????? Replies to this message: nippononly (Apr 14, 2006 7:16 am)
#9 of 100 Re: 3rd Generation Toyota 4Runner ('96-'02) [blackrunner] by nippononly Apr 14, 2006 (7:16 am)
Replying to: blackrunner (Apr 09, 2006 9:52 pm) I can't quite follow you because you wrote one continuous line with no spaces. However, it sounds like you have had your truck two years, and recently the clutch finally wore out and you replaced it. It sounds like you either had a problem for those two years that continues now, this noise it is making, OR the noise is brand new since the clutch job - can't tell which.   I also wonder why you don't have to push the clutch down as hard now as before - is it because you didn't use a Toyota clutch kit? And what did you repalce in the clutch job? Just the pressure plate, or other stuff too?   Lastly, you say it chatters when you are out of gear, or "in gear and not on the gas but as soon as you touch the pedal it goes away". If you are in gear but not on the gas, you must have the clutch out, right? So you are already touching the pedal. Or did you mean the gas pedal?   I have noticed that when mine is idling in neutral, no feet on any pedals, the transmission (specifically the clutch throw-out bearing, I suspect) is not totally silent, but I wouldn't call the sound it makes a "chatter". It is more like a slight whistle, for lack of a better word.
#10 of 100 Re: 99 4Runner Limited Check Engine Light [boluca] by boluca Apr 16, 2006 (2:49 pm)
Replying to: boluca (Mar 31, 2006 2:53 pm) UPDATE: cleaned the MAF with contact cleaner and the CEL light has stayed off for 2 days.

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