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Low oil pressure at idle and Mivec mode not cutting in 4G92 MIVEC help!
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<blockquote data-quote="jay_lancer" data-source="post: 1064710079" data-attributes="member: 172312"><p>Hi, sorry for the delay in my reply, been busy with work, and had to do a short overseas trip.</p><p></p><p>I did the oil and filter change, helped a little.</p><p></p><p>U then got the gauge checked and re-calibrated, it now reads just over 1 bar when the engine is hot and at tick-over.</p><p></p><p>The oil pressure looks fine as the rev's rise and for normal and faster driving.</p><p></p><p>The red dashboard old light flickers occasionally when the revs at tick-over drop really low, mostly only when the engine is hot but it is cool and the air-con is off so there is no load on the engine.</p><p></p><p>The Mivec I think is working, but I think the thicker oil I used for this oil change is making it slightly less responsive at higher revs.</p><p></p><p>I will probably do another oil change in about 5000KM and go back to 10W40 fully synthetic. I am on 5W50 fully synthetic now. I will keep on top of regular oil changes and maybe this will help as the engine may have been sitting around for a while before I bought it and got gummed up.</p><p></p><p>I did enquirer about replacing the oil pump, but its a big job so will see how things go for now.</p><p></p><p>Worse case is I will need a bottom end rebuild at some stage but now there is no sounds that suggest this is needed yet.</p><p></p><p>Just part of the fun of running a higher performance JDM engine that is almost 20 years old, and came from Japan with no history I guess :rolleyes:</p><p></p><p>Been on a few mid distance drives now and overall the car is running fine.</p><p></p><p>Thanks for all the support and suggestions from this forum, helps a lot to have a resource like this that is in English</p><p></p><p>cheers</p></blockquote><p></p>
[QUOTE="jay_lancer, post: 1064710079, member: 172312"] Hi, sorry for the delay in my reply, been busy with work, and had to do a short overseas trip. I did the oil and filter change, helped a little. U then got the gauge checked and re-calibrated, it now reads just over 1 bar when the engine is hot and at tick-over. The oil pressure looks fine as the rev's rise and for normal and faster driving. The red dashboard old light flickers occasionally when the revs at tick-over drop really low, mostly only when the engine is hot but it is cool and the air-con is off so there is no load on the engine. The Mivec I think is working, but I think the thicker oil I used for this oil change is making it slightly less responsive at higher revs. I will probably do another oil change in about 5000KM and go back to 10W40 fully synthetic. I am on 5W50 fully synthetic now. I will keep on top of regular oil changes and maybe this will help as the engine may have been sitting around for a while before I bought it and got gummed up. I did enquirer about replacing the oil pump, but its a big job so will see how things go for now. Worse case is I will need a bottom end rebuild at some stage but now there is no sounds that suggest this is needed yet. Just part of the fun of running a higher performance JDM engine that is almost 20 years old, and came from Japan with no history I guess :rolleyes: Been on a few mid distance drives now and overall the car is running fine. Thanks for all the support and suggestions from this forum, helps a lot to have a resource like this that is in English cheers [/QUOTE]
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Low oil pressure at idle and Mivec mode not cutting in 4G92 MIVEC help!