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help!! my 20v idling problem!!
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<blockquote data-quote="ahaw" data-source="post: 1063769986" data-attributes="member: 50499"><p>low/bad idling. what happen, idling stabilize @400-300 rpm. engine @ 248k km clocked. got 1 engine overheat history (due to water pump kaput, kills the knock sensor).</p><p></p><p>what i do (so far) ; 1) replace breather grommet 2) change igniter from denso iridium to bosch fusion 3) remove, clean and reinstall throttle body (normal clean no dismantle) 4) inspect and clean iscv valve (lots of black stuff) 5) check all vacuum hoses for condition. (did found some bad/crack hoses) 6) do fpr (vacuum @ 40psi) and distributor setting. </p><p></p><p>Now, the idle still around 300-400, but with better throttle response and pickup (maybe bcos o new igniter plug and tb cleaning). the 1st gear '2-3 seconds lag' still there, ignored. </p><p>test diagnose got engine code '24'. air sensor...</p><p>During this check, a lot of parts need servicing but i ignored it because the target, to get the desired idle by cleaning the iscv valve only (as suggested). thinking the 02 sensor died already, which i still collecting money to source a new unit. - an amateur diy std. -</p><p></p><p>Question. is it possible that the bad idle come from improper setting when replacing the TIMING BELT?</p><p></p><p>p/s: going to try D7zul direct clean method... thinking bout using crc/3m fuel injector cleaner, any suggestion?</p></blockquote><p></p>
[QUOTE="ahaw, post: 1063769986, member: 50499"] low/bad idling. what happen, idling stabilize @400-300 rpm. engine @ 248k km clocked. got 1 engine overheat history (due to water pump kaput, kills the knock sensor). what i do (so far) ; 1) replace breather grommet 2) change igniter from denso iridium to bosch fusion 3) remove, clean and reinstall throttle body (normal clean no dismantle) 4) inspect and clean iscv valve (lots of black stuff) 5) check all vacuum hoses for condition. (did found some bad/crack hoses) 6) do fpr (vacuum @ 40psi) and distributor setting. Now, the idle still around 300-400, but with better throttle response and pickup (maybe bcos o new igniter plug and tb cleaning). the 1st gear '2-3 seconds lag' still there, ignored. test diagnose got engine code '24'. air sensor... During this check, a lot of parts need servicing but i ignored it because the target, to get the desired idle by cleaning the iscv valve only (as suggested). thinking the 02 sensor died already, which i still collecting money to source a new unit. - an amateur diy std. - Question. is it possible that the bad idle come from improper setting when replacing the TIMING BELT? p/s: going to try D7zul direct clean method... thinking bout using crc/3m fuel injector cleaner, any suggestion? [/QUOTE]
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help!! my 20v idling problem!!