Toyota problem (sorry its not bike related) - TwoWheelForum: Motorcycle and Sportbike forums
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post #1 of 30 (permalink) Old 06-12-2006, 01:42 PM Thread Starter
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Toyota problem (sorry its not bike related)

I need some help on my Tercel. I just bought it, and it idles erratically, like it'll run normal for a few seconds then the rpms will drop like it wants to stall and recover again to do the same thing. feels like its running rich, but I dont know. oh yeah its an 86 with a 1.5L carbed I4 motor. anyone know of what to do about it?

I tried a bunch of toyota forums already, and nobody seems to be inclined to help since all they wanna do is make their cars more powerful or faster.

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post #2 of 30 (permalink) Old 06-12-2006, 02:45 PM
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Originally Posted by ZX1000
I need some help on my Tercel. I just bought it, and it idles erratically, like it'll run normal for a few seconds then the rpms will drop like it wants to stall and recover again to do the same thing. feels like its running rich, but I dont know. oh yeah its an 86 with a 1.5L carbed I4 motor. anyone know of what to do about it?

I tried a bunch of toyota forums already, and nobody seems to be inclined to help since all they wanna do is make their cars more powerful or faster.
Have you done all the normal stuff, like new air filter, spark plugs, etc...? That would be the first place to start (I'm trying to think back to my 'Yoda days.....). Esp. if you think she's runnin' rich, coulda fouled a plug. Start small, and work your way up from there -- eliminate the most elementary/obvious causes first.
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post #3 of 30 (permalink) Old 06-12-2006, 02:55 PM Thread Starter
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The fuel, air and soon oil filter are new. plugs are on the way so I can attempt that, wires are ok.

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post #4 of 30 (permalink) Old 06-12-2006, 03:23 PM
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Hopefully, it's something simple like a vacuum leak from a broken hose. When you take the plugs out, keep them in the correct order (I usually make four small holes in a piece of cardboard), and take a picture of them.
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post #5 of 30 (permalink) Old 06-12-2006, 03:52 PM Thread Starter
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I looked under the car a minute ago, and I'm suspecting a headgasket blown, considering theres coolant unaccounted for, and the idle gets rough after about 30 seconds from the time I start the motor.

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post #6 of 30 (permalink) Old 06-12-2006, 04:11 PM
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Has the car been overheating at all? Have you looked for the telltale signs (i.e. oily residue in the coolant reservoir, milky residue in the oil, or - as mine did when it went - an oily residue coming out the tailpipe?) of a blown headgasket?
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post #7 of 30 (permalink) Old 06-12-2006, 04:20 PM Thread Starter
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I havent observed those signs, but compression is 125 in cylinders 1-3, cyl 4 has 100pounds. doesnt quite seem right to me. oil is dirty, but not milky looking.

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post #8 of 30 (permalink) Old 06-12-2006, 08:50 PM
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Does the problem happen at idle only, all the time, when cold, when hot,...etc? Needlebug and NW have you going in the right direction. Read your oil, your old plugs, your new plugs. Did you dump out your old fuel filer and read that? Tried your new one yet?

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post #9 of 30 (permalink) Old 06-12-2006, 10:46 PM
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If the head gasket is blown... you'll have one or both... white stinky smoke out the tail pipe / milky oil or oily coolant.

How many miles on it?
FI, carbed, or throttle body injection?

If the milage is high... always try the plugs and wires.

Is it throwing any codes?




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post #10 of 30 (permalink) Old 06-13-2006, 10:03 AM
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Quote:
Originally Posted by JK_DILLA
Needlebug and NW have you going in the right direction.
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It amazes me how many people call me Needlebug. Needlebug? LMAO! It's Neebelung!

Not to worry... I'm not offended, and you're not the first person to make that mistake (I've even had local people come up to me at Bike Night and say, "Are you Needlebug?"), but it just cracks me up......
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post #11 of 30 (permalink) Old 06-14-2006, 04:36 PM Thread Starter
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I have some kind of whitish smoke coming out the tailpipe.

car has 228K miles on it, carbureted, and its too old to have a computer to throw codes from. plugs didnt tell me much.

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post #12 of 30 (permalink) Old 06-14-2006, 07:23 PM
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Quote:
Originally Posted by neebelung
{hijack}



It amazes me how many people call me Needlebug. Needlebug? LMAO! It's Neebelung!

Not to worry... I'm not offended, and you're not the first person to make that mistake (I've even had local people come up to me at Bike Night and say, "Are you Needlebug?"), but it just cracks me up......
{/hijack}
Youre NEEDLEBUG!

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post #13 of 30 (permalink) Old 06-15-2006, 12:05 AM
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Quote:
Originally Posted by Gas Man
If the head gasket is blown... you'll have one or both... white stinky smoke out the tail pipe / milky oil or oily coolant.
Quote:
Originally Posted by ZX1000
I have some kind of whitish smoke coming out the tailpipe.
We have a match. You can pull the head and replace the head gasket if the valves aren't burned in cylinder #4.
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post #14 of 30 (permalink) Old 06-15-2006, 12:27 AM
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228K Yota. Do the basic tune. Drive it till it quits and find another one.

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Currently ride 1987 GSXR 50, 1996 Ducati M900, 2005 GSXR 1000
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post #15 of 30 (permalink) Old 06-15-2006, 12:37 AM
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Good call NW... I missed that... too damn tired lately... DAMN work!




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post #16 of 30 (permalink) Old 06-15-2006, 07:44 AM
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Originally Posted by JK_DILLA
Youre NEEDLEBUG!


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post #17 of 30 (permalink) Old 06-15-2006, 01:41 PM
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It just sounds cuet.

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post #18 of 30 (permalink) Old 06-15-2006, 03:39 PM Thread Starter
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I like this car. probably when it dies, I'll resurrect it by putting some kind of sportbike motor in it, and puttin a turbo on too. knowing me, it'll be something like a Busa or ZX14 size motor. as far as making it fit the tranny, I'll MAKE it fit.

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post #19 of 30 (permalink) Old 06-15-2006, 04:40 PM
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I guess its now obvious that i dont know how to read. Thanks for pointing it out to everyone!

everyone else can call you neebelung, but youll be needlebug to me! ok?

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post #20 of 30 (permalink) Old 06-17-2006, 12:09 PM Thread Starter
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Just an update, I changed the oil, flushed the cooling system which was just filled with water, and put in a proper 50/50 coolant mix and its running MUCH better now.

life is but a way of killing time until you die. why care how you live, just have fun while you can.
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