Newbe here! I have Questions

93bluetoyota · 06-30-2004, 11:25 PM

First of all I would like to say hello to all of you fellow yotatech people. It seems like a great place to get help on all sorts of topics so thats why I'm here! Second I think I have a slight problem... my truck is the one listed in my sig and seems to have a very low and rough idle sometimes. I increased the idle a little bit to see if that would help and it didn't really cure the problem. When I first got the truck 1 year ago I talked to the service guy at my local toyota dealer and he said my throttle body might need to be cleaned.

If any of you guys had this problem could you please tell me how to cure it is driving me crazy! Thanks

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bike4miles · 06-30-2004, 11:30 PM

One thing I noticed is that my truck idles really slow when it is hot and as a result i have to back out the adjustment screw in the summer to boost my idle up to 700 or 800 rpm.

93bluetoyota · 06-30-2004, 11:36 PM

Quote:

Originally Posted by bike4miles

One thing I noticed is that my truck idles really slow when it is hot and as a result i have to back out the adjustment screw in the summer to boost my idle up to 700 or 800 rpm.

does it shake and act like its gonna die almost? Mine will get down to about 500rpm. Its very annoying!

ChickenLover · 06-30-2004, 11:51 PM

Instead of trying to pin point the problem, If I were you I would do an all out tune up and just take care of all the possiblities.

-Spark plugs
-Spark plug wires
-Cap and rotor
-Fuel filter
-Clean your K&N
-Change your oil (synthetic)
-Take off your Throttle body and clean it

While your throttle body is off you can take off your plenum and clean it and while it's off replace the pcv valve and clean out the intake manifold. (this is considerably more difficult than the things listed above).

bike4miles · 06-30-2004, 11:52 PM

It did before I replaced my throtle body! The door was worn and it was letting air leak past! If everything is if good working order it should idle smooth at 500 rpm. Definetly clean and check the trotlle body to make sure is is closing compleetly and sealing well. I waised abour $500 trying to figure out a idle problem before I found out I just needed to get a $60 junkyard throtle body!

bike4miles · 06-30-2004, 11:55 PM

Quote:

Originally Posted by ChickenLover

Instead of trying to pin point the problem, If I were you I would do an all out tune up and just take care of all the possiblities.

-Spark plugs
-Spark plug wires
-Cap and rotor
-Fuel filter
-Clean your K&N
-Change your oil (synthetic)
-Take off your Throttle body and clean it

While your throttle body is off you can take off your plenum and clean it and while it's off replace the pcv valve and clean out the intake manifold. (this is considerably more difficult than the things listed above).

Yea, good idea. I would also recomend an Oxigen sensor if it's never been replaced. This changed the way my truck ran and I got about 2 MPG better gas milage.

93bluetoyota · 07-01-2004, 12:00 AM

Quote:

Originally Posted by ChickenLover

Instead of trying to pin point the problem, If I were you I would do an all out tune up and just take care of all the possiblities.

-Spark plugs
-Spark plug wires
-Cap and rotor
-Fuel filter
-Clean your K&N
-Change your oil (synthetic)
-Take off your Throttle body and clean it

While your throttle body is off you can take off your plenum and clean it and while it's off replace the pcv valve and clean out the intake manifold. (this is considerably more difficult than the things listed above).

Hey thanks for the ideas is it hard to take off the throttle body and clean it? What do i use to clean it? Thanks

bike4miles · 07-01-2004, 12:11 AM

To clean the throtle body, just take that big hose off that runs over your radiator. All you need is a screw driver. Then you have access to the door which you can clean with a rag. I forget what type of cleaner you are alloud to use but as an auto part store. They will know. It sould take you less than half an hour.

Flamedx4 · 07-01-2004, 08:27 AM

You might also run some injector cleaner through it.

88yotaboy · 07-01-2004, 08:40 AM

My truck had the same problems. Adjusting the timing fixed it.

PirateFins · 07-01-2004, 09:44 AM

I agree with everyone else. Do all of the tune up and cleaning, use SENSOR SAFE cleaner . Check the timming. Change the 02 sensor. Check and adjust the TPS. Get yourself a good repair manual, if you don't have one. If you don't understand something just ask, we all are here to help each other. My truck was doing something like what you are describing and it turned out to be bad plugs and wires. When you replace the plugs only use the NGK or Denso plugs they work the best.

Oh by the way Welcome to YT!!

06-30-2004, 11:30 PM	#2 (permalink)
bike4miles Contributing Member Join Date: May 2004 Location: Tucson, AZ Posts: 3,402	One thing I noticed is that my truck idles really slow when it is hot and as a result i have to back out the adjustment screw in the summer to boost my idle up to 700 or 800 rpm. __________________ --Miles Sold '91 4runner, 22re, 5 spd manual, 180,000 miles, cone filter, Downey 1.5"HD coils, SkyJacker Nitrogens, Magnaflow Exhaust, Stull grill, Clears all around. Check out my sound proofing project and other mods: My 4runner page My 2006 Camry page I'm a Myspace Addict!

06-30-2004, 11:51 PM	#4 (permalink)
ChickenLover Registered User Join Date: Apr 2004 Location: NV Posts: 2,583	Instead of trying to pin point the problem, If I were you I would do an all out tune up and just take care of all the possiblities. -Spark plugs -Spark plug wires -Cap and rotor -Fuel filter -Clean your K&N -Change your oil (synthetic) -Take off your Throttle body and clean it While your throttle body is off you can take off your plenum and clean it and while it's off replace the pcv valve and clean out the intake manifold. (this is considerably more difficult than the things listed above). __________________ 95 4Runner, 3VZE , 141k, 4WD, Auto. (Head gaskets replaced at 106k)

06-30-2004, 11:52 PM	#5 (permalink)
bike4miles Contributing Member Join Date: May 2004 Location: Tucson, AZ Posts: 3,402	It did before I replaced my throtle body! The door was worn and it was letting air leak past! If everything is if good working order it should idle smooth at 500 rpm. Definetly clean and check the trotlle body to make sure is is closing compleetly and sealing well. I waised abour $500 trying to figure out a idle problem before I found out I just needed to get a $60 junkyard throtle body! __________________ --Miles Sold '91 4runner, 22re, 5 spd manual, 180,000 miles, cone filter, Downey 1.5"HD coils, SkyJacker Nitrogens, Magnaflow Exhaust, Stull grill, Clears all around. Check out my sound proofing project and other mods: My 4runner page My 2006 Camry page I'm a Myspace Addict!

07-01-2004, 12:11 AM	#8 (permalink)
bike4miles Contributing Member Join Date: May 2004 Location: Tucson, AZ Posts: 3,402	To clean the throtle body, just take that big hose off that runs over your radiator. All you need is a screw driver. Then you have access to the door which you can clean with a rag. I forget what type of cleaner you are alloud to use but as an auto part store. They will know. It sould take you less than half an hour. __________________ --Miles Sold '91 4runner, 22re, 5 spd manual, 180,000 miles, cone filter, Downey 1.5"HD coils, SkyJacker Nitrogens, Magnaflow Exhaust, Stull grill, Clears all around. Check out my sound proofing project and other mods: My 4runner page My 2006 Camry page I'm a Myspace Addict!

07-01-2004, 08:27 AM	#9 (permalink)
Flamedx4 Registered User Join Date: May 2004 Location: 100 miles offshore as much as possible, & Springfield Oregon USA Posts: 3,285	You might also run some injector cleaner through it. __________________ All my Yotas are gone. Stuff to sell: http://www.yotatech.com/showthread.p...39#post1009839 -Phil

07-01-2004, 08:40 AM	#10 (permalink)
88yotaboy Registered User Join Date: Jun 2004 Location: Groveland, California Posts: 290	My truck had the same problems. Adjusting the timing fixed it. __________________ 2001 Tacoma 3.4 V6 5spd SR5 TRD 4x4 86 4runner sas, 35s

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