1980 12a sa22c has wierd bog/stall
so i thought their was a clog in the fuel system that would cause a bog when you step on the gas but after changing the fuel filter that isnt happening just this random bog that comes after driving 15-30 mins and wont let you get past 4k and just keeps sputtering out no matter how hardyou try to keep it alive so I'll have to pull over turn the car off for 1-2mins then shes fine again and will drive normally but will do the same thing in randomly tried fuel pump fuse and checked my grounds and connections, spark plugs, and spark plug wires idk at this point :scratch: other than a fuel pump or accelerator pump it will come on randomly at 3-4k rpm and wont go away till you stop and turn off the car only mods are a muffler delete
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Probably the igniters or ignition box circuit in there with them are going bad. Coils usually don't fail like this. These were my exact symptoms when I created my TFIDFIS ignition. See my sig for the link.
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i think its the fuel pump its giving signs like its out of gas lean out and the fuel pump sounds like it would be low on fuel before getting down to the last drops and i also dont even notice the fuel pump at traffic lights anymore when you always could hear it fantly at idle and today it kept dying out on with half a tank and when i was waiting on the side of the road with the key on i couldnt hear the fuel pump at all and when i finally did it was very faint not the usaul DUDADUADUDUDUDUDUUDU!! more tatatatata (soft on the t)
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Originally Posted by t_g_farrell
(Post 12211537)
Probably the igniters or ignition box circuit in there with them are going bad. Coils usually don't fail like this. These were my exact symptoms when I created my TFIDFIS ignition. See my sig for the link.
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When was the last time the carb was rebuilt? Could be that the car needs rebuilt and tuned. I do a few every year for customers. I've seen issues like yours and its been carb issues.
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car only has 67k miles and I got it at 56k in February and it was running fine passed smog with flying colors it does have the stock Nikki's but I have Weber idfs I want to put on just can't find a intake for
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Did this issue just all of a sudden appear when the car was running and driving just fine?
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My 80 did the same thing.
Fuel tank innards was shedding into the fuel outlet pipe. Symptoms: -run the car about 15 min, choked up and stalled -sit for 10 min... the plug-up drifts away from the outlet. runs again till suction from pump pulls the crap back into the inlet. -esp noticeable when tank partially full Cause: -long-incorrectly-stored low mileage SA left with some old gas and a lot of air space. Condensation rusted interior of tank. Crap on inner walls falls into fuel Solution: -drain and pull tank -have professional cleaned at a rad shop that can do a chemical dunk -re-seal the inner tank with product designed to do it, like POR15 Tank Kit ($30). Stu Aull 80GS AZ |
Originally Posted by 7aull
(Post 12215043)
My 80 did the same thing.
Fuel tank innards was shedding into the fuel outlet pipe. Symptoms: -run the car about 15 min, choked up and stalled -sit for 10 min... the plug-up drifts away from the outlet. runs again till suction from pump pulls the crap back into the inlet. -esp noticeable when tank partially full Cause: -long-incorrectly-stored low mileage SA left with some old gas and a lot of air space. Condensation rusted interior of tank. Crap on inner walls falls into fuel Solution: -drain and pull tank -have professional cleaned at a rad shop that can do a chemical dunk -re-seal the inner tank with product designed to do it, like POR15 Tank Kit ($30). Stu Aull 80GS AZ |
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