The unfixable mystery problem

El_supracabra · 03-24-2011, 10:21 PM

I had been having this prob since i bought my supra. I tried the tune-up (dist cap, rotor button, wires, plugs), changed the gear oil in the tranny and rear diff., tested the igntion coil/module, and changed the oxygen sensor.
Then, i blew a head gasket.
After rebuilding the engine (pressure tested the head/cleaned/crack tested block/milled/decked/bore/hone/new pistons/ground crank/re-bushed rods/new bearings/metal Headgasket/arp studs/ port & polish/ new clutch/ new headers/ replaced EVERY vacuum line on the ENTIRE engine/ fuel filter/ cleaned injectors/ cleaned fuel rail/ new air filter/ OHM tested fuel pump relay/ igniter/ coil/TPS/ and all 3 pick up coils)
dropped in the engine. SAME PROBLEM!!!!!!!!! W.T.F!?
Next is ECU. idk what else to do either. I like the idea of replacing the mass air flow sensor.

03-24-2011, 10:21 PM	#23
El_supracabra Intake Join Date: Feb 2011 Location: South of Columbus, Ohio Posts: 45	ancient thread, i know. I had been having this prob since i bought my supra. I tried the tune-up (dist cap, rotor button, wires, plugs), changed the gear oil in the tranny and rear diff., tested the igntion coil/module, and changed the oxygen sensor. Then, i blew a head gasket. After rebuilding the engine (pressure tested the head/cleaned/crack tested block/milled/decked/bore/hone/new pistons/ground crank/re-bushed rods/new bearings/metal Headgasket/arp studs/ port & polish/ new clutch/ new headers/ replaced EVERY vacuum line on the ENTIRE engine/ fuel filter/ cleaned injectors/ cleaned fuel rail/ new air filter/ OHM tested fuel pump relay/ igniter/ coil/TPS/ and all 3 pick up coils) dropped in the engine. SAME PROBLEM!!!!!!!!! W.T.F!? Next is ECU. idk what else to do either. I like the idea of replacing the mass air flow sensor. __________________ 86.5 Supra NA: milled head .020, decked block .007, .5mm+ pistons, port & polished intake manifold and cyl head,OBX header, 3-angle, cold air intake, Cometic MLS HG. ALL NATURAL! CHEVROLET- Cracked Heads, Every Valve Rattles, Oil Leaks Every Time FORD- Flipped Over, Rebuilt Dodge DODGE- Dirty Old Dust Gathering Engine I'd rather drive a Toyota, than push a ford.

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