Engine shutdown at WOT?
I'm posting this for a friend, but I've been involved in it too:
---- Well, we've put a 98 b18 c1 into my buddies 92 LS with out much trouble, it's running a 94 obd-1 ecu. we're running a fully ported and polished head with an obx-r header, no secondaries, AEM intake, Jun ACGs, 93 GSR distributer and fuel filter, Aem fuel rail, 3rd gen RX7 fuel pump, B16A1 Pistons, balanced block, etc. Anyway, I list this in case any of this stuff is a problem, I can't see that it would be. Anyway, At WOT the motor nearly shuts off, as dif the ECU is cutting fuel altogether. it throws no codes, and doesn't do it under around 80 % throttle. the car runs hella strong up till 80% but anything past that leads to shutdown. anyone had this happen before? it's really irritating, we're replacing the 02 sensor and the FPR nextr, although I am not sure this will fis the problem. Aother thing, is that it didn't do it with a previous distributor which had it's TDC sensor going out. the distributer is a new honda unit, and the problem started with the replacement of the distributer. the previous unit would rarely let the car hit Vtec. the TDC problem is fixed, but this cut out is a bit disconcerting to us all. Any input would be greatly appreciated. even if it's just a "yeah, I've had that happen, no clue why" or "that;s wierd" anything is helpfull. ---- I should add that when we were at the "track" (abandoned road) his lights would dim during shifts which I thought was a little odd. So, I had my DSO in the car and decided to see check the battery voltage. It was sitting at 12.3V. I'm a Toyota guy, and I've read up on Honda's Electrical Load Detector and how the ECU controls the alternator's output so I'm not sure if that's on the low side or not. Of course, the voltage is a moot point as we replaced the alternator today. He posted this in a Honda forum with not much response. Responses are very much appreciated. -Tim |
Re: Engine shutdown at WOT?
Could it be that the motor is an obd-II and you are running an obd-I
computer? "Tim H." <tekphobia@comcast.net> wrote in message news:kDR7b.415622$uu5.75333@sccrnsc04... > I'm posting this for a friend, but I've been involved in it too: > > > ---- > Well, we've put a 98 b18 c1 into my buddies 92 LS with out much trouble, > it's running a 94 obd-1 ecu. we're running a fully ported and polished head > with an obx-r header, no secondaries, AEM intake, Jun ACGs, 93 GSR > distributer and fuel filter, Aem fuel rail, 3rd gen RX7 fuel pump, B16A1 > Pistons, balanced block, etc. Anyway, I list this in case any of this stuff > is a problem, I can't see that it would be. Anyway, At WOT the motor nearly > shuts off, as dif the ECU is cutting fuel altogether. it throws no codes, > and doesn't do it under around 80 % throttle. the car runs hella strong up > till 80% but anything past that leads to shutdown. anyone had this happen > before? it's really irritating, we're replacing the 02 sensor and the FPR > nextr, although I am not sure this will fis the problem. Aother thing, is > that it didn't do it with a previous distributor which had it's TDC sensor > going out. the distributer is a new honda unit, and the problem started with > the replacement of the distributer. the previous unit would rarely let the > car hit Vtec. the TDC problem is fixed, but this cut out is a bit > disconcerting to us all. Any input would be greatly appreciated. even if > it's just a "yeah, I've had that happen, no clue why" or "that;s wierd" > anything is helpfull. > ---- > > I should add that when we were at the "track" (abandoned road) his lights > would dim during shifts which I thought was a little odd. So, I had my DSO > in the car and decided to see check the battery voltage. It was sitting at > 12.3V. I'm a Toyota guy, and I've read up on Honda's Electrical Load > Detector and how the ECU controls the alternator's output so I'm not sure if > that's on the low side or not. Of course, the voltage is a moot point as we > replaced the alternator today. > > He posted this in a Honda forum with not much response. Responses are very > much appreciated. > > -Tim > > |
Re: Engine shutdown at WOT?
Could it be that the motor is an obd-II and you are running an obd-I
computer? "Tim H." <tekphobia@comcast.net> wrote in message news:kDR7b.415622$uu5.75333@sccrnsc04... > I'm posting this for a friend, but I've been involved in it too: > > > ---- > Well, we've put a 98 b18 c1 into my buddies 92 LS with out much trouble, > it's running a 94 obd-1 ecu. we're running a fully ported and polished head > with an obx-r header, no secondaries, AEM intake, Jun ACGs, 93 GSR > distributer and fuel filter, Aem fuel rail, 3rd gen RX7 fuel pump, B16A1 > Pistons, balanced block, etc. Anyway, I list this in case any of this stuff > is a problem, I can't see that it would be. Anyway, At WOT the motor nearly > shuts off, as dif the ECU is cutting fuel altogether. it throws no codes, > and doesn't do it under around 80 % throttle. the car runs hella strong up > till 80% but anything past that leads to shutdown. anyone had this happen > before? it's really irritating, we're replacing the 02 sensor and the FPR > nextr, although I am not sure this will fis the problem. Aother thing, is > that it didn't do it with a previous distributor which had it's TDC sensor > going out. the distributer is a new honda unit, and the problem started with > the replacement of the distributer. the previous unit would rarely let the > car hit Vtec. the TDC problem is fixed, but this cut out is a bit > disconcerting to us all. Any input would be greatly appreciated. even if > it's just a "yeah, I've had that happen, no clue why" or "that;s wierd" > anything is helpfull. > ---- > > I should add that when we were at the "track" (abandoned road) his lights > would dim during shifts which I thought was a little odd. So, I had my DSO > in the car and decided to see check the battery voltage. It was sitting at > 12.3V. I'm a Toyota guy, and I've read up on Honda's Electrical Load > Detector and how the ECU controls the alternator's output so I'm not sure if > that's on the low side or not. Of course, the voltage is a moot point as we > replaced the alternator today. > > He posted this in a Honda forum with not much response. Responses are very > much appreciated. > > -Tim > > |
Re: Engine shutdown at WOT?
Could it be that the motor is an obd-II and you are running an obd-I
computer? "Tim H." <tekphobia@comcast.net> wrote in message news:kDR7b.415622$uu5.75333@sccrnsc04... > I'm posting this for a friend, but I've been involved in it too: > > > ---- > Well, we've put a 98 b18 c1 into my buddies 92 LS with out much trouble, > it's running a 94 obd-1 ecu. we're running a fully ported and polished head > with an obx-r header, no secondaries, AEM intake, Jun ACGs, 93 GSR > distributer and fuel filter, Aem fuel rail, 3rd gen RX7 fuel pump, B16A1 > Pistons, balanced block, etc. Anyway, I list this in case any of this stuff > is a problem, I can't see that it would be. Anyway, At WOT the motor nearly > shuts off, as dif the ECU is cutting fuel altogether. it throws no codes, > and doesn't do it under around 80 % throttle. the car runs hella strong up > till 80% but anything past that leads to shutdown. anyone had this happen > before? it's really irritating, we're replacing the 02 sensor and the FPR > nextr, although I am not sure this will fis the problem. Aother thing, is > that it didn't do it with a previous distributor which had it's TDC sensor > going out. the distributer is a new honda unit, and the problem started with > the replacement of the distributer. the previous unit would rarely let the > car hit Vtec. the TDC problem is fixed, but this cut out is a bit > disconcerting to us all. Any input would be greatly appreciated. even if > it's just a "yeah, I've had that happen, no clue why" or "that;s wierd" > anything is helpfull. > ---- > > I should add that when we were at the "track" (abandoned road) his lights > would dim during shifts which I thought was a little odd. So, I had my DSO > in the car and decided to see check the battery voltage. It was sitting at > 12.3V. I'm a Toyota guy, and I've read up on Honda's Electrical Load > Detector and how the ECU controls the alternator's output so I'm not sure if > that's on the low side or not. Of course, the voltage is a moot point as we > replaced the alternator today. > > He posted this in a Honda forum with not much response. Responses are very > much appreciated. > > -Tim > > |
Re: Engine shutdown at WOT?
> > is a problem, I can't see that it would be. Anyway, At WOT the motor > nearly > > shuts off, as dif the ECU is cutting fuel altogether. it throws no codes, > > and doesn't do it under around 80 % throttle. the car runs hella strong up > > till 80% but anything past that leads to shutdown. anyone had this happen > > before? it's really irritating, we're replacing the 02 sensor and the FPR > > nextr, although I am not sure this will fis the problem. Aother thing, is > > that it didn't do it with a previous distributor which had it's TDC sensor > > going out. the distributer is a new honda unit, and the problem started > with > > the replacement of the distributer. the previous unit would rarely let the Is your distributor obd1 or obd2? ... When using different ecus (did u use one of those aftermarket adaptors or rewire?) i'm pretty sure you still have to match ecu to distributor .. (the only part this applies to) TP sensor dead spot? Does the honda TPS have idle and wot switches or is it just a plain old pot? this might not throw a code.. O2 and fpr will amost definitely not fix problem post question @ hybrid.honda-perf.org also.. those guys are pretty knowledgeable.. -will |
Re: Engine shutdown at WOT?
> > is a problem, I can't see that it would be. Anyway, At WOT the motor > nearly > > shuts off, as dif the ECU is cutting fuel altogether. it throws no codes, > > and doesn't do it under around 80 % throttle. the car runs hella strong up > > till 80% but anything past that leads to shutdown. anyone had this happen > > before? it's really irritating, we're replacing the 02 sensor and the FPR > > nextr, although I am not sure this will fis the problem. Aother thing, is > > that it didn't do it with a previous distributor which had it's TDC sensor > > going out. the distributer is a new honda unit, and the problem started > with > > the replacement of the distributer. the previous unit would rarely let the Is your distributor obd1 or obd2? ... When using different ecus (did u use one of those aftermarket adaptors or rewire?) i'm pretty sure you still have to match ecu to distributor .. (the only part this applies to) TP sensor dead spot? Does the honda TPS have idle and wot switches or is it just a plain old pot? this might not throw a code.. O2 and fpr will amost definitely not fix problem post question @ hybrid.honda-perf.org also.. those guys are pretty knowledgeable.. -will |
Re: Engine shutdown at WOT?
> > is a problem, I can't see that it would be. Anyway, At WOT the motor > nearly > > shuts off, as dif the ECU is cutting fuel altogether. it throws no codes, > > and doesn't do it under around 80 % throttle. the car runs hella strong up > > till 80% but anything past that leads to shutdown. anyone had this happen > > before? it's really irritating, we're replacing the 02 sensor and the FPR > > nextr, although I am not sure this will fis the problem. Aother thing, is > > that it didn't do it with a previous distributor which had it's TDC sensor > > going out. the distributer is a new honda unit, and the problem started > with > > the replacement of the distributer. the previous unit would rarely let the Is your distributor obd1 or obd2? ... When using different ecus (did u use one of those aftermarket adaptors or rewire?) i'm pretty sure you still have to match ecu to distributor .. (the only part this applies to) TP sensor dead spot? Does the honda TPS have idle and wot switches or is it just a plain old pot? this might not throw a code.. O2 and fpr will amost definitely not fix problem post question @ hybrid.honda-perf.org also.. those guys are pretty knowledgeable.. -will |
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