05 GS300 140K acc become slower
10-24-22, 08:14 PM
#16
Pit Crew
Thread Starter
I changed valve gaskets (leak from 60K but not heavy) and smark plugs, old/new plugs are both genuine Denso, old one fine so no problem to last 100K miles. Also changed PCV. Got idle speed too high so I adjusted TPS - looks like car will adjust idle in days.
If there is improvement, it would be minor. on local (max 60) I tried step on ACC upto 3500rpm.
I will clean MAF again or change and feedback.
If there is improvement, it would be minor. on local (max 60) I tried step on ACC upto 3500rpm.
I will clean MAF again or change and feedback.
11-05-22, 09:41 PM
#17
Pit Crew
Thread Starter
somedays passed.
0. 75W90 is differential fluid I only did once and jacked only passenger rear wheel - can't remember, when I am able to jack whole car level I'll redo it.
1.ATF changed at 100K miles with Toyota ATF, when I say ACC slow I just compare with what it has at 120K or so, may be after Mobil1 75W90.
2.Valve gasket/PCV/Sparking plugs changed last month, same Denso plugs bought from Rockauto I believe they are genuine.
3.A guy told me, old car might need calibrate or adjust open the valve gasket and adjust the washer/shim, I don't know how, any viode?
4.He also told me, fuel injector is the most effective way, I see another video disconnect fuel line and inject Crb cleaner to clean the fuel injectors. Not sure on 05 GS300 where is the fuel line that I can inject Crb cleaner?
5.Now, each time I turn it on before cranking, the unit under break fluid reservoir has two times of sounds cycle, each cycle starts with "zzzzzzzzzzzzz" then "pa". Previously there is only one cycle with lower sound level. This seems happens along with a weak battery, but stays after batter change. Two cycle has a gap of 3seocnds, and cycle length may be 5-10seconds, and battery may drop 0.1V then back. This is old battery buy Vmin during crank is 10.2V so pretty good. What is the unit under break fluid? reservoir
0. 75W90 is differential fluid I only did once and jacked only passenger rear wheel - can't remember, when I am able to jack whole car level I'll redo it.
1.ATF changed at 100K miles with Toyota ATF, when I say ACC slow I just compare with what it has at 120K or so, may be after Mobil1 75W90.
2.Valve gasket/PCV/Sparking plugs changed last month, same Denso plugs bought from Rockauto I believe they are genuine.
3.A guy told me, old car might need calibrate or adjust open the valve gasket and adjust the washer/shim, I don't know how, any viode?
4.He also told me, fuel injector is the most effective way, I see another video disconnect fuel line and inject Crb cleaner to clean the fuel injectors. Not sure on 05 GS300 where is the fuel line that I can inject Crb cleaner?
5.Now, each time I turn it on before cranking, the unit under break fluid reservoir has two times of sounds cycle, each cycle starts with "zzzzzzzzzzzzz" then "pa". Previously there is only one cycle with lower sound level. This seems happens along with a weak battery, but stays after batter change. Two cycle has a gap of 3seocnds, and cycle length may be 5-10seconds, and battery may drop 0.1V then back. This is old battery buy Vmin during crank is 10.2V so pretty good. What is the unit under break fluid? reservoir
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