Question about 1991 Nissan 300ZX
According to OBD standards it should be reachable when you are sitting in the driver seat. Since it is made before 1997 it is a OBD1 not OBD2 connector.
Posted on Dec 01, 2014
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Posted on Jan 02, 2017
SOURCE: timing on a 1991 nissan 300zx
There is no means of setting the timing if you are referring to a conventional timing light. The engine is designed with sensors that sense the angle of the camshafts in relationship to the crankshaft and whether it is on the intake or exhaust stroke on the #1 cylinder. This design is actually a little more complex than that because it has variable valve timing which means that the angle in which the camshafts open and close the valves, change with RPM's This give the engine the best of both worlds. It's like have an engine with cams designed for torque at low RPM and a set of cams designed for HP with a free breathing quick revving engine you would have on a race course. The ECM is constantly changing the timing and injector pulse width based on many sources of input, from, the O2 sensor, air flow, air temp, coolant temp, fuel pressure, RPM's and a host of other inputs.
SO>>>>>>>>>>>> in a manner of speaking, unless you are making reference to setting up the timing chain, everything else is under control by the ECM and related components.
Posted on Mar 25, 2009
first here is the service manual http://www.300zx-twinturbo.com/cgi-bin/manual.cgi
next is the kick panel http://184.108.40.206/12640/0/upload/p979648.jpg
These should be right or very close .
Posted on Mar 27, 2009
yes, thats the typical symptom of a IAC valve giving you trouble, try cleaning it up but ull probabbly will have to replace it
hope this helps
Posted on Nov 11, 2009
open the valve cover and feel all your lifters to see which is loose.
spin your push rod with your fingers while tightening your rocker arm(should be 5/8) once you can not spin the push rod any more give it 3/4 of a turn and your good to go repeat for any loose rocker arms.
Posted on Jan 29, 2010
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