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<blockquote data-quote="E-Tech" data-source="post: 4010197" data-attributes="member: 14975"><p>Vagabond...</p><p>TPS works but getting 5volt from ecu.... then returns the reading to ecu..</p><p>E.g idling... 0.5 volt..... full throttel.. will be near 5volts..</p><p>By this simple method, ecu will know the butterfly position and give supplier the correct</p><p>amount of fuel and timing....</p><p></p><p>How it spoilts....inside is like a variable resistor...</p><p>If the internal contact plate dirty or oxidize or broken then the signal will be wrong or intermittent... Sometimes at certain position only kena... </p><p></p><p>Those that fix digital SAFC or VAFC will be able to see the reading of TPS...</p><p>You can see if da sensor operation is not smooth operation.</p><p></p><p>How to prevent....? do not over adjust the TPS- over limit</p><p>ensure wiring for SAFC/VAFC or other management are done by experience</p><p>person... some foreman just guess guess and probe here and there which </p><p>cause 12 volt to be send to TPS or ecu line... terbabooooooo</p><p>When do exhaust welding- ALWAYS remove the negative terminal on the </p><p>battery... Failure to do so when welding will damage sensors also but not </p><p>immediately.</p><p></p><p>Tq</p></blockquote><p></p>
[QUOTE="E-Tech, post: 4010197, member: 14975"] Vagabond... TPS works but getting 5volt from ecu.... then returns the reading to ecu.. E.g idling... 0.5 volt..... full throttel.. will be near 5volts.. By this simple method, ecu will know the butterfly position and give supplier the correct amount of fuel and timing.... How it spoilts....inside is like a variable resistor... If the internal contact plate dirty or oxidize or broken then the signal will be wrong or intermittent... Sometimes at certain position only kena... Those that fix digital SAFC or VAFC will be able to see the reading of TPS... You can see if da sensor operation is not smooth operation. How to prevent....? do not over adjust the TPS- over limit ensure wiring for SAFC/VAFC or other management are done by experience person... some foreman just guess guess and probe here and there which cause 12 volt to be send to TPS or ecu line... terbabooooooo When do exhaust welding- ALWAYS remove the negative terminal on the battery... Failure to do so when welding will damage sensors also but not immediately. Tq [/QUOTE]
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