Question about 1990 Nissan Sentra

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1990 nissan sentra is a fuel injected or carborator??

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Definitely fuel injected

Posted on Jul 19, 2010

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1 Answer

How do you change the fuel pump on a 1990 Nissan Sentra?


if im not mistaken its in the gas tank and there's an access panel under the back seat if not, have to drop the gas tank

Jan 22, 2015 | 1990 Nissan Sentra

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Valve timing


AS I REMEMBER IT HAS GOT 2X CHAINS BETER TO GET SOME ONE WITH EXPERIENCE CAN'T JUST EXPLAIN

Nov 19, 2013 | 1990 Nissan Sentra

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Does a 1988 carborated Nissan pathfinder have a fuel pump regulator?


Are you sure it is a carburetor and not throttle body injection? They do look similar.
If it is a carburetor, there would not be a regulator. The fuel pump will either be a mechanical pump mounted on the engine, or a low volume electric pump in the gas line from gas tank to the engine.
If it is throttle body injection (TBI), yes, there is a fuel pressure regulator, probably located near the throttle body. It will have gas lines connected to it (one line will be a return line back to the gas tank) and a vacuum line. The fuel pressure on TBI systems is not as high as multi point injection, usually around 20 psi. You would have to check the specific pressure requirement for your pathfinder.

Take off the air cleaner cover and look at top of unit. A carburetor should have a choke plate right at top of the carb throat. However some Nissans by '88 had a carburetor without a choke-it used an enricher jet controlled by the ecu for added fuel when starting.. On a TBI, looking down at the unit where the air goes in, you will see one or two injectors with a wiring harness connected to them-each injector will have two wires connected to it.
If still unsure, check engine designation on the under hood label. Carbureted engines will have a s letter designation, injected engines will have letter i. To explain: my '87 Sentra is carbureted, so engine designation is E16s, some same engines were injected, so their designation is E16i.

Sep 29, 2013 | Cars & Trucks

1 Answer

Fuel found in the oil sump


you may have a leaking fuel injector or fuel press. regulator

Jun 11, 2012 | 1996 Nissan Sentra

1 Answer

I have a nissan sentra 140i engine ga14 fuel injection 1997 it is over fueling n rich mixture wat do i do ?


See , the fuel pump regulator is a sealed unit and all you can do is check for vacuum and hook up a fuel pump tester and check for pressure and volum.

sincerely. Merry Christmas.

ernesto cuadra

managua, nicaragua.

Dec 21, 2011 | 1997 Nissan Sentra

1 Answer

98 sentra starts and runs great. drive it about 50 feet and loses power and dies. starts right back up then go 50 feet and the problem repeats itself. only code was cylinder 3 misfire. also changed fuel...


It is probably a carberator problem your intaking to much fuel or oxygen So what i would do is check the little buble in the the carberator that stops the fuel when enough fuel is in the carborator it might need replacing

Apr 11, 2011 | 1998 Nissan Sentra

4 Answers

I need to know where the carborator is on 1998 Saturn SL, with a picture


A 1998 Saturn will not have a carborator as it is fuel injected sorry.

Nov 30, 2010 | 1998 Saturn SL

1 Answer

Car won't run


you need a new fuel pump

Oct 18, 2008 | 1989 Nissan Sentra 4 Door

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