my car's rpm will drop from normal 900 to 500-600 when driving in the hot weather, especially noon time. and d car performs damn sucks at that time! bt during early in the morning o at nite, d car is ok, i mean d rpm idles stable all d time. anyone driving 4g91 facing d same problem? another thing, i dunno other 4g91 engines, but my engine, when i'm cruising, no matter in highway o street, d rpm will suddenly drop a bit, for like 2 sec, den goes bec to normal. is tat normal 4 a 4g91? pls pls......need help here!!
4g91 problems.HELP!
- Thread starter dummy7
- Start date
- Feb 13, 2006
- 14
- 0
- 1,501
maybe ur isc /stepper motor at your throttle body rosak edi.... check oso ur fuel regulator...
same thing happened to my 4g91 lasttime.. change both now every thing ok edi.
good luck to you.
same thing happened to my 4g91 lasttime.. change both now every thing ok edi.
good luck to you.
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aye yall...just wanna get some advise from all the sifus out there if it's possible to change my 4G15 block SOHC to the 4g91 DOHC block oni..as in changing from single cam to twin cam.. can it be done? if yes then wat else shud i change other then tha block? Timing belt as well? Wat else? Some advise needed pls...thankz yall... cheers 
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