3.0 No spark
09-22-2014, 01:28 PM
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3.0 No spark
Greeting everyone-
This is my first post on this site, but I have have 1000s of posts amongst other sites (for other toys of course!) Haha...So I'm not a newbie to forum etiquette. And I have done quite a bit of research (nothing has helped me get my Yota running yet based on my searching)
OK, here it goes. I have an 89 yota with the 3.0. 240K miles It ran well until it died in my driveway! Haha. I had it sitting there idling while talking to the neighbor. Go figure.
So far what I have done to trouble-shoot my no spark condition.
I checked the ohm values in the distributor (all check oK 160 ohms). BUT I DON'T have any 12V input voltage at the distributor. (with key in run position) Should I have steady 12V there?
Distributor also rotates (timing belt OK)
I DO HAVE 12V at the coil.
All the fusible links and fuses are good in the engine bay as well.
Pulled MAF to see if a spark would initially begin, and fade away after a few moment, but still NO SPARK.
So what would be my next step in figuring this out? Thank you!! This thing is starting to drive me nuts!!!!
This is my first post on this site, but I have have 1000s of posts amongst other sites (for other toys of course!) Haha...So I'm not a newbie to forum etiquette. And I have done quite a bit of research (nothing has helped me get my Yota running yet based on my searching)
OK, here it goes. I have an 89 yota with the 3.0. 240K miles It ran well until it died in my driveway! Haha. I had it sitting there idling while talking to the neighbor. Go figure.
So far what I have done to trouble-shoot my no spark condition.
I checked the ohm values in the distributor (all check oK 160 ohms). BUT I DON'T have any 12V input voltage at the distributor. (with key in run position) Should I have steady 12V there?
Distributor also rotates (timing belt OK)
I DO HAVE 12V at the coil.
All the fusible links and fuses are good in the engine bay as well.
Pulled MAF to see if a spark would initially begin, and fade away after a few moment, but still NO SPARK.
So what would be my next step in figuring this out? Thank you!! This thing is starting to drive me nuts!!!!
Last edited by 89Beast; 09-22-2014 at 01:43 PM.
09-22-2014, 04:50 PM
#2
Hello there. So, to test your searcing skills..
did you find the writeup that showed how to test if your spark signal (EGT) is being sent to the igniter? If not, that should be your next course of action.
I don't think there should be a 12 volt positive to the distributor, only the pickup coils checked for resistance.
did you find the writeup that showed how to test if your spark signal (EGT) is being sent to the igniter? If not, that should be your next course of action.
I don't think there should be a 12 volt positive to the distributor, only the pickup coils checked for resistance.
I went through a no spark condition and you will find many a tests to do here.
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