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Jeep Wrangler YJ
YJ General Discussion
5 volts TPS
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<blockquote data-quote="deadpool1" data-source="post: 441234" data-attributes="member: 21229"><p>the TPS, is mounted in such a way the TPS is spring loaded to the shaft. (TV shaft)</p><p>this causes the TPS to track the TV shaft 100 % accuratly and not jam or be loose and sloppy !</p><p>put on wrongly, the TV jams I think before WOT. and is a super bad act that can wreck the TPS, at WOT moments.</p><p>okay. install it with full care, and attention to this detail and facts.</p><p>even put a new TPS with TB in hand so you can gently operate the TV and make sure the TPS works and does not JAM THE TV ever.</p><p></p><p>the TB <strong>throttle body</strong> is only an AIR VALVE</p><p>the TV means<strong> throttle valve</strong> ( a butterfly valve in pure mechanics.)</p><p>The TPS is only a THROTTLE Angle <strong>SENSOR</strong> and must not be loose or tell lies to the ECU. </p><p>the FSM even warns not to run the engine if the TPS was installed wrong but doing so can wreck any TPS .</p><p>it's only plastic, ,</p><p>most times only the wires are bad. to the TPS. or MAP wires bad or shorted or MAP 5vdc is shorting out a</p><p>and that makes the same wire to the TPS fail hard.</p><p>the TPS does not cause WOT misfire ever say 5 full seconds or more of WOT. does not.</p><p>the O2 sensors is offline WOT, so the O2 does not cause WOT misfire. as the O2 is OFFLINE in the driving mode.</p><p>this is why I beg for driving evidence. hot engine, cold engine, starting, idling and WOT.</p><p>yes the TPS bad can cause what is calleD TIP_IN Hesitation,</p><p>as the right foot toe TIPS in the throttle the power delays, called Hesitation. then self corrects in a few seconds and full power hits there rear wheels, At WOT. is this clear? </p><p>misfire means 1 to 4 cylinder misfire, or all do at once. 1996 cars tell you which one did, or all. your can can not do that test.</p><p>misfire is hear, felt and seen</p><p>so see misfire , the shiftl lever goes mad. shakes</p><p>or under hood I advance the throttle TV by hand and hear and see the engine shake voilently. misfire.</p><p></p><p>never ingore the CEL lamp it glows key and goes out running</p><p>if glows running, that means DTC are stored in ECU memory or means live DTC errors or both.</p><p>never egnore the CEL lamp it is your friend if glows running, </p><p>mostly OBD1 cars the DTC errors are mainly gross catastrophic errors, like dead this and dead that. and can never be ingored</p><p>okay? I do hope all this helps</p><p></p><p>EFI is complex this is not a bad desk lamp.</p><p>The EFI is a computer, and all inputs or outputs can fail and most times the ECU never fails.(caps do on some)</p><p>the inputs on this ECU are fully protected and never fail unless the sensor or wires did.</p><p>the outputs on any ECU this old are not protected, so you someone hot wires pins in a car, you blow up the ECU.</p><p>do not hot wire parts, in this car for sure any wire connected to any ECU pins, or <strong>BOOM</strong> you let the smoke out. as we say.</p><p>the starter sure. jumped sure.</p><p>jump start the battery sure.</p><p></p><p>all other hotwiring is NOT WISE.</p><p></p><p>The ECU does not measure fuel pressure ever, that is my job,</p><p>My FSM even warns of that fact.</p><p>the ECU does not know a spark plug shorted. (until 1996 use EPA laws)</p><p>it will see the HV spark coil primary shorted and ASD relay drop and EFI goes dead and engine stalls dead on purpose.</p><p>so the 60k tune up is a big thing here.for spark and filters.<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite4016" alt=":unsure:" title="Unsure :unsure:" loading="lazy" data-shortname=":unsure:" /></p><p></p><p>I still have no idea how you did those TPS meter checks, not at all,</p><p>what pin jumps, not told</p><p>how the 2 meters leads connected not told</p><p>I wait.</p></blockquote><p></p>
[QUOTE="deadpool1, post: 441234, member: 21229"] the TPS, is mounted in such a way the TPS is spring loaded to the shaft. (TV shaft) this causes the TPS to track the TV shaft 100 % accuratly and not jam or be loose and sloppy ! put on wrongly, the TV jams I think before WOT. and is a super bad act that can wreck the TPS, at WOT moments. okay. install it with full care, and attention to this detail and facts. even put a new TPS with TB in hand so you can gently operate the TV and make sure the TPS works and does not JAM THE TV ever. the TB [B]throttle body[/B] is only an AIR VALVE the TV means[B] throttle valve[/B] ( a butterfly valve in pure mechanics.) The TPS is only a THROTTLE Angle [B]SENSOR[/B] and must not be loose or tell lies to the ECU. the FSM even warns not to run the engine if the TPS was installed wrong but doing so can wreck any TPS . it's only plastic, , most times only the wires are bad. to the TPS. or MAP wires bad or shorted or MAP 5vdc is shorting out a and that makes the same wire to the TPS fail hard. the TPS does not cause WOT misfire ever say 5 full seconds or more of WOT. does not. the O2 sensors is offline WOT, so the O2 does not cause WOT misfire. as the O2 is OFFLINE in the driving mode. this is why I beg for driving evidence. hot engine, cold engine, starting, idling and WOT. yes the TPS bad can cause what is calleD TIP_IN Hesitation, as the right foot toe TIPS in the throttle the power delays, called Hesitation. then self corrects in a few seconds and full power hits there rear wheels, At WOT. is this clear? misfire means 1 to 4 cylinder misfire, or all do at once. 1996 cars tell you which one did, or all. your can can not do that test. misfire is hear, felt and seen so see misfire , the shiftl lever goes mad. shakes or under hood I advance the throttle TV by hand and hear and see the engine shake voilently. misfire. never ingore the CEL lamp it glows key and goes out running if glows running, that means DTC are stored in ECU memory or means live DTC errors or both. never egnore the CEL lamp it is your friend if glows running, mostly OBD1 cars the DTC errors are mainly gross catastrophic errors, like dead this and dead that. and can never be ingored okay? I do hope all this helps EFI is complex this is not a bad desk lamp. The EFI is a computer, and all inputs or outputs can fail and most times the ECU never fails.(caps do on some) the inputs on this ECU are fully protected and never fail unless the sensor or wires did. the outputs on any ECU this old are not protected, so you someone hot wires pins in a car, you blow up the ECU. do not hot wire parts, in this car for sure any wire connected to any ECU pins, or [B]BOOM[/B] you let the smoke out. as we say. the starter sure. jumped sure. jump start the battery sure. all other hotwiring is NOT WISE. The ECU does not measure fuel pressure ever, that is my job, My FSM even warns of that fact. the ECU does not know a spark plug shorted. (until 1996 use EPA laws) it will see the HV spark coil primary shorted and ASD relay drop and EFI goes dead and engine stalls dead on purpose. so the 60k tune up is a big thing here.for spark and filters.:unsure: I still have no idea how you did those TPS meter checks, not at all, what pin jumps, not told how the 2 meters leads connected not told I wait. [/QUOTE]
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Jeep Wrangler YJ
YJ General Discussion
5 volts TPS
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