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Old 12-15-2010, 09:14 AM   #1
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check engine light

so i have a 1989 toyota pickup and my check engine light has been on for quite some time. is there anyone to fix it myself or turn it off... or what exactly is causing it to stay on? Thanks
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Old 12-15-2010, 09:27 AM   #2
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well thats never a good thing to have a engine light on for along time. you need a code reader. i bought one the tells me the code number your throwing and also what it is on the screen. its one of my best investments and they cost about $70-100 at your local auto store. well worth the money imo.
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Old 12-15-2010, 09:32 AM   #3
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i will check that out thank you lol... someone said there several hundred....
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Old 12-15-2010, 09:36 AM   #4
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Helps to know the engine, etc... but ...

On an '89 you should be able to read the codes by pushing a small piece of wire across certain ecu terminals, and counting the blinks on the check engine light.

Use the SEARCH button for engine codes, check engine light, etc. and look it up on here. Plenty of information!! Nobody can help you with details until you can do the basic troubleshooting and give us the code it is throwing and the other details.
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Old 12-15-2010, 09:38 AM   #5
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nope not at all, you can even get a simple one that only gives you the code number and then a book with codes for as little as $50-60. but for around $100 you can get one that tells you both. goto napa or a local store and get a early christmas present.
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94 pickup 22re, rear locker and 30x9.50 tires.

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Old 12-15-2010, 11:01 AM   #6
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Quote:
Originally Posted by t-rav View Post
i will check that out thank you lol... someone said there several hundred....
Don't bother. It's free, see below.

Quote:
Originally Posted by bobby_duce View Post
you need a code reader. ... well worth the money imo.
Click the image to open in full size.

No, you don't! That's absolutely ridiculous! They're called diagnostic check connectors! You jump(form an electrical connection between) T/TE1 and E1 and count the flashes of the check engine light.
Click the image to open in full size.
Click the image to open in full size.

I don't see the point of spending any money on one when you can check the codes without it for free. Free paper clip/jumper wire, free online FSM. If that thing doesn't read OBDII also, then it's a big fat waste of money. There's no excuse at all to buy a OBDI only code reader. Unless you can't count to 9.

Diagnostic codes for the 22RE: http://personal.utulsa.edu/~nathan-b...26diagnosi.pdf

Diagnostic codes for the 3VZE: http://personal.utulsa.edu/~nathan-b...85diagnosi.pdf

Quote:
Originally Posted by bobby_duce View Post
nope not at all, you can even get a simple one that only gives you the code number and then a book with codes for as little as $50-60. but for around $100 you can get one that tells you both. goto napa or a local store and get a early christmas present.
Click the image to open in full size.
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Old 12-15-2010, 11:13 AM   #7
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Yep, scan tool below:
Click the image to open in full size.

How to use:
- http://www.4crawler.com/4x4/CheapTri...CheckConnector
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Old 12-15-2010, 11:14 AM   #8
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you are right, i was talking in the world of obd2. for some reason i wasnt even registering that haha.
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Old 12-15-2010, 11:30 AM   #9
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Black electrical tape fixes it every time.
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Old 12-15-2010, 11:54 AM   #10
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thank you everyone and i believe its a 4cylinder 22re and it blinks a 4-1 which looking at it was "Throttle Position Sensor Signal"
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Old 12-24-2010, 01:50 PM   #11
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take dash out and unplug the wire.
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Old 12-24-2010, 02:40 PM   #12
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take dash out and unplug the wire.
Click the image to open in full size.



PS: Please don't even think about doing that people. It'd be one of the STUPIDEST things you could possibly do to your vehicle. GUARANTEED!!!
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Old 12-24-2010, 03:19 PM   #13
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Mine was on for a bit and turned off when i fixed my chasis ground.
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Old 12-25-2010, 03:10 PM   #14
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hey it passed inspection alright. thats all i was aiming for and this vehicle had nothing wrong with it at all and the thing was still on so i got fed up an unplugged it.
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Old 12-25-2010, 05:47 PM   #15
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thank you all for you help and unplugging it worked, thanks again
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Old 12-25-2010, 06:37 PM   #16
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Click the image to open in full size.
Gee yuh think?

What? You couldn't figure out "unplugging it will make it go out" on your own?

Way to go there bub. Pretty fat waste of our time. Oh no...thank you...really...seriously...thanks alot...

And did I mention how stupid of a thing that would be to do? Yep! Sure did!

Wanna know why? TOUGH LUCK!!!! I'm just gonna sit back and LMAO the next time you ask for some help trying to figure out what's wrong with it. HAVE FUN!!!!

Do you even know what EFI is and/or how it works? Here's a clue...the ECU(Computer) plays a major role, in running the engine and maintaining it. Get it yet? No? I didn't think so.

Click the image to open in full size.
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Old 12-26-2010, 03:02 PM   #17
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ok no need to be a dick... i took your advice and figured out what it was which is the throttle sensor which was that 4-1 code!! i just dont have the money to replace it cause my brother just past away 6 days ago.... and i meant it worked meaning when i unplugged it, it still past smog!!
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Old 12-27-2010, 12:49 PM   #18
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Quote:
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thank you all for you help and unplugging it worked, thanks again
no prob. ppl dont realize that some ppl dont have the money to go get some things fixed. if i had the money to put my truck in the garage then i would have it done but im turning to yotatech for some answers. im leaning towards the alternator now. i got a spare i just need to go take it off the other truck. but if u need a quick fix to get through inspection, then its easier to unplug the thing and fix it later when u get the money.
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Old 12-27-2010, 12:49 PM
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1989, 4runner, 85, buy, check, clip, code, codes, diagnostic, engine, light, obd, paper, pickup, read, reader, service, toyota

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