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95 engine issues
well i've been having issues with my motor. so i got a scanner and now i can look at what the motor is doing. its opening the egr valve up under a load and the motor looses power. the computer is sensing a knock. anywhere from 143 to as much as 256. the only other thing ive seen is the timing. at idle when its in closed loop its aroun 11-16 advanced. if i give it 7% throttle while power brakeing it, it goes to around 35% and then it senses a knock and opens the egr. it does this while driving to. new map sensor and throttle postion sensor. removed egr today and cleaned just to make sure. any ideas?
its a 95 witht he cpi. and i changed the regulator about 3 weeks ago. this has been going on for a long time.
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95 jimmy. Vortec V6. 4.3 liter CPI. ,2.5" catco cat, 2.5" cat back with flowmaster muffler split rear., 40 street series, 2 12" audiobahns in custom box,K&N CPI intake system.
71 Mustang coupe- project car. stock 302 with Cobra intake, holley 650dp, afco racing radiator, headman headers, msd distributor, 2.5" from the headers.C4 tranny with shift kit, Mach 1 body lay out.
90 cav, 2.2 tbi, gas getter.
99 chevy s10 zr2, 6" lift, duel exhaust. 5 speed.
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