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I need carburetor advice
I have a 1988 Corolla Wagon 4AF that needs carburetor work. It stalls at idle once I've been driving it for a while, once it's warmed up. I've done a tune up, checked the fuel pump, and sprayed a carb cleaner. Still stalling. It's even difficult to get it started again if I shut it off; I have to give it a lot of gas. It doesn't go back to normal until it's been turned off for a while and gets cold. It's not overheating. Also, it's always difficult to turn off; lot of coughing and choking like it doesn't want to turn off.
Not sure if the choke is getting stuck, if it's a vacuum leak, etc. What should I do? It's a very complex carb with tons of vacuum hoses, so to troubleshoot one component at a time could take forever. I want to keep this car for a long time, so I'm willing to do whatever it takes to fix it and make it run the way it should.
Should I buy a new carb? Should I upgrade the carb to a Weber? Do new carbs come with the A/F mixture already set like the factory carbs? Are Webers hard to pass emissions? Please help.
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