I have a 74 Hilux with a weber carb, almost brand new, and over the weekend my truck started to misfire. The weather was damp and cold, like 1 A.M. in the morning. It grew a little worse so I changed the plugs and wires. That fixed most of the problem, but it still does it at specfic throttle levels and engine loads. I checked the points and they look good, supposedly when I bought the truck, a year ago, they had been changed.
have you checked if the points are gapped right? They could be good but gap could be off. Just a thought. Fuel filter might be crap? Idk just throwing things out
I checked the points and there are gapped correctly. The filter has less than 10k on it. Hopefully, I'm going to change the pump this weekend and retune the carb.
It is the mechanical one. I pulled it off after purchasing the truck and nothing seemed wrong with it, but it is definitely aging.
The past few days its gotten worse, I did changed the pump and that didn't seem to effect it. Its started to misfire a little even while idling.
I spent a couple hours running through every possible thing on the engine and found that the nut holding the condenser in place had come loose. I tightened it up and runs amazing.
Glad everything worked out! i have a '76 "hilux" and it's doing something very similar and it's getting worse by the day = ( Where is the condenser located, is that under the distributor cap?
i dont think so either. i was like, am i missing something? lol i'll check those, thanks jetas. I definitely have a vaccum leak around that double plate spacer thing on my Weber. not so sure a vacuum leak would cause all that loss of power and sputtering, but maybe it would. I'll reply when i fix it!
