check engine light NISSAN 300ZX 1984 Z31 Engine Lubrication And Cooling System Workshop Manual

ENGINE LUBRICATION SYSTEM
Oil Pressure Check
Be careful not to burn yourself, as the englne and
oil may be hot
1 Warm up engine
2 Stop engine and remove oil pressure switch
SLC545
3 Install pressure gauge
4 Start engine and check oil pressure with engine
running under no-load
Approximate discharge pressure
I kPa (kglcm2, psi1 Engine rpm
1,200 196 (2.281
2,000 294 (3.431
i 4.000 392 (4.571
Oil pressure at 600 rpm (Idling) should be more
than 78 kPa (0.8 kg/cm2, 11 PSI)
ST25051001 4
In-vehicle service)
The above table shows data tested when SAE
1OW-30 oil is used and oil temperature is between
77 and 83°C (171 and 181°F). Slight difference
will
be found because of oil viscosity or oil tem-
perature If difference is extreme, check oil passage
and
oil pump for oil leaks
LC-3