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  1. 262ci Forum (4.3)
    1992 4.3, 4x4 Originally the car threw two codes 33 and 43, it would fire up and idle irregular before eventually stalling out. Got the Haynes out and I changed the MAP sensor and the ESC, for exactly 250 miles it ran like it was 1992! Just yesterday we had some snow so I used it and sure...
  2. S10 / S15
    4.3 TBI has always taken 2-3 turns before it fires up. Last week, after firing up, the idle went up till I thought the engine was going to come out of the bay. Power is non existent until after thirty minutes of warming up, and even then, under load it bucks and what sounds like cuts off and...
  3. ZR2 - BlaZeR2 - Highrider
    My 97 zr2 4.3 cpi has a miss and stalls out when I stab full throttle I have replaced so far distributor, cap,rotor, wires, plugs,map sensor, iac,tps,maf,map, air temp sensor,fuel filter,fuel pump,egr gasket,egr tube, and it still has the miss and stall at open throttle any ideas
  4. S10 / S15
    so I’ve got this 1990 s10, 4.3l tbi. Truck idles fine, seems strong. As soon as I put it in drive and go to leave it’ll die, not stutter or sputter but cut off and die. I can feather it and it’ll SLOWWWWWLY climb. My guess is electrical. I’ll skip a lot of the reading and show what I’ve...
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