B2000....CARB PROBLEM AND RUNNING ROUGH

1986 Mazda Truck

Tiny

budlack

May, 12, 2010 AT 7:48 PM

Engine Performance problem
1986 Mazda Truck 4 cyl Two Wheel Drive Manual 300000 miles

I just bought this truck and it starts great when cold, but after warm, the secondary carb bowl fills with gas and floods bad.I have to start it with the pedal to the floor. Then has idle problems. Also. Jst replaced needle and seat and checked the float, seems ok.
thoguhts anyone. Thanks a bunch

FOUND 4561 RELATED QUESTIONS

Running Rough

27 ANSWERS
34 IMAGES

Idles Rough/changed Ects

37 ANSWERS
3 IMAGES

3 Answers

Tiny

rasmataz

May, 12, 2010 AT 7:58 PM

I have to start it with the pedal to the floor. Doing this helps to clear out the flood with more incoming air. The carb has an internal leak-possibly the float has a pin leak drowning the float bowl.

Tiny

budlack

May, 12, 2010 AT 8:16 PM

I don't think the float is leaky, there was no liquid in it when I took it apart. Any other thoughts

Tiny

rasmataz

May, 12, 2010 AT 11:26 PM

Your problem is coming from the carb or you have an excessive fuel pressure

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