Question about 1986 Nissan 300ZX

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1986 nissan 300zx non turbo wont rev over 2100 rpm replaced mass air flow sensor ran good for one day

Replaced fuel filter, air filter, and head temp sensor

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Posted on Jan 02, 2017

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SOURCE: Car cuts out at 2300rms

check fuel pump pressure.if low system will be too lean will cut off..

Posted on May 09, 2009

  • 1 Answer

SOURCE: 000 NISSAN Xterra -- after warming up, loses RPM by 500-1000..... have replaced ignition wires and distributor, checked mass air flow sensor and OK.....

I had a problem on my Nissan Xterra 2000. Symptons sound similar. In my case, it ran fine for a while and then suddenly the engine starts to stumble and lose output. At one point it did not even have enough HP to move. Irregular idling too. Thought it was water in my fuel. Bought water remover from the store and added to gas tank. Problem did not go away. Instead, "Service Engine Soon" light came on. Had to have it towed to the dealer as there was no way the engine could keep up with traffic. Dealer replaced the "Crank Position Sensor" today. Parts $33.00, Labor: $300 (about 3 hrs worth of work). Seems to work fine now but I will wait and see. Dealer also stated that Distributor bearing appears to be noisy and will need to be replaced sooner or later. I will wait for it to go before I fix that.

Posted on May 27, 2009

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SOURCE: 86 300zx turbo cuts out at 2300 rpm

If the car is a automatic then the connectors on the trans brain (located on the passenger side behind the spare tire) are getting wet. Try just wiggling them and see if it responds, if not unplug dry out and reassemble. Also fix where the water is coming in. I had this same prob and it drove me crazy.

Posted on Jun 30, 2009

  • 72 Answers

SOURCE: we have a 1986 nissan

Check to see if she that is the car is drawing air mabey through a broken air pipe.

Posted on Oct 28, 2010

  • 1 Answer

SOURCE: 1984 Nissan 300zx non turbo VG30E engine wont rev

My vg30 dnt rev more than. 2200

Posted on May 19, 2011

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Hi, my 300zx non turbo 1986 will run for a few seconds then die. I have replaced the pump, the relays and the mass air flow sensor, and the fuel regulator and the fuel filter! Please help! It runs when...


I believe there is another fuel filter on that model . There may be one underneath the body AND at the carb/injector. Are the injectors putting out gas. You can check that. Mechanically , you have done all the other stuff. I know it is frustrating, but make sure all the hoses and lines are secure. You sound as if you have done that, but when we hear hoof eats, we don't think of zebras. Good luck.

Jan 29, 2013 | Cars & Trucks

4 Answers

Have a 1986 nissan 300zx V6 non turbo wont start, hear fuel pump runnung no oil pressure on gauge replaced oil pressure unit still wont start any helpful advise


a oil gauge reading maybe delayed until car starts and builds good oil press.Did you check for spark
was car running good before this happened? Do you have a rpm reading when cranking car?

Nov 02, 2011 | 1986 Nissan 300ZX

2 Answers

My 1985 nissan 300zx 2+2 run crappy when engine is


PROBABLY IS TIME TO DO A TUNEUP SPARK PLUGS AND WIRES

Aug 04, 2009 | 1985 Nissan 300ZX

2 Answers

86 300zx turbo cuts out at 2300 rpm


how old is the fuel filter? and have you checked fuel press at idle and while driving ? and does the car have a cat on it ? you can get car at operating temp and check the temp of inlet and the out let is it over 100 degrees difference? and the mass air you put on is a new oem ?

Jun 02, 2009 | 1985 Nissan 300ZX

1 Answer

Car cuts out at 2300rms


check fuel pump pressure.if low system will be too lean will cut off..

May 09, 2009 | 1985 Nissan 300ZX

2 Answers

86 300zx Turbo stumbles at high rpm


This is more complex and you won't find anyone to give you advice. Dealer solution on this one.
Sometime they don't even know and guessing.

Maybe it's time to buy another car?

Apr 09, 2009 | 1986 Nissan 300ZX

1 Answer

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.

Mar 22, 2009 | 1991 Nissan 300ZX

1 Answer

92 300zx rpm will not go over 2500 rpm pops from intake


This is a classic symptom of a bad mass airflow sensor. Nissan designed this as a protective feature on the car. If the mass air sensor goes bad, the computer limits the car to a 2400RPM rev limit to prevent damage.

The sensor is under the center nose panel between the headlights. Take that off and on the back of the airbox (which fills this space) you'll see a pipe coming out that meets at a "T" with another hose going across and down under the headlights. That pipe off the back of the airbox is the mass air sensor (it has a harness plugged in).

Jan 11, 2009 | 1992 Nissan 300ZX

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