Question about 1992 Isuzu Rodeo

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Fueling No fuel goes down the throttle body

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Remove fuel line coming in and w/ a container handy have someone turn on switch. if it pumps into container fuel pump is ok. if not replace fuel pump. if it does. check filter on throttle body. if clean replace throttle body. hope this helps

Posted on Nov 01, 2008

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Posted on Jan 02, 2017

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Nissan sentra 200sti 1997, my injectors keep over fueling and the revs cut out at 4000 rpm


check the throttle body, the air has to come in for it to rev that high, if it were the injectors it would be blowing black smoke and choking out the engine

Oct 30, 2017 | Nissan Cars & Trucks

1 Answer

Hi i have a 1995 nissan sentra b14 thats giving me trouble. Whenever i accelerate the car looses power and also will cut out if im in traffic or at a stop light. Help anyone?


It sounds like a fueling problem, so the first thing to do is to check the fuel pressure. That is very critical for fuel injection, as the injectors can only spray fuel out if they are immersed in fuel under high pressure. If multi-port injection, the pressure is higher than throttle body injection. I don't know the specs for Nissan, but multi-port is usually around 40psi or higher. So check fuel pressure, autozone rents or loans those pressure gauges, check your fuel filter (is it clean?).
If not a fueling problem, could be a restricted air supply to the engine. Also make sure the exhaust is not clogged, like a catalytic converter that is breaking up.

Mar 25, 2017 | Nissan Cars & Trucks

1 Answer

1992. Where is fuel pump located?


in the usa. must we guess?
in the USA all cars are EFI, starting in about 1988./89
by law. (EPA)
we cant guess what engine you have or fueling system.
but EFI is in the gas tank.
if a carb , it can be in many places, tell engine size. first.
and country.

me , i just look.
i look at my fuel rail and see the gas feed go rear.
i use my eyes to follow those lines, and if i see a filter, first then bingo that is fuel feed, then it goes to tank , well no pump was found leaving only one possible place, that tank.
works on all cars. made. gas.
on some cars the fuel line feeds the throttle body. directly.

Dec 24, 2015 | Isuzu Pickup Cars & Trucks

1 Answer

Why is it overfueling?


Engine light on? Pull codes and go from there. Could be bad O2 sensors, bad MAF sensor, intake system leak, stuck open injectors, etc. If there are codes that will help.

Sep 03, 2015 | 2003 Volkswagen Jetta TDI

1 Answer

+91 Astro van over fueling problems.it has a carburetor / two injectors, if one is unhooked it will start. sometimes when its cold it will run fine for 5 minutes, then start spraying fulbore and dies. If I...


You do not have a carburetor. It is a throttle body injection system. The coolant temperature sensor, oxygen sensor, map sensor and throttle position sensor all have to do with the fuel delivery. The ECM (computer/brain) collects information from these sensors and adjusts the fuel accordingly. Hold the throttle wide open and try to start it. Have your diagnostic codes read and make sure you put in the correct ECM for your vehicle. Check your fuel return line and your air filter.

Nov 04, 2017 | Cars & Trucks

1 Answer

Where do i start?


look for broken vacuum hose that runs the map sensor

May 05, 2014 | 1991 GMC Suburban

2 Answers

Car goes dead when slow down to stop or pull up to red light


The throttle body needs to be cleaned, grime in this area prevents the throttle plate from closing completely and allowing air to enter, making the air/fuel mixture lean. Make sure to clean the front and back sides of the throttle body. Also, disconnect the battery during the cleaning process to allow the computer to reset and relearn to the cleaned throttle body.

Apr 20, 2013 | 2004 Chevrolet TrailBlazer

1 Answer

Not getting gas to throttle body


Throttle body only regulates air, fuel goes to injectors. Check for fuel pressure at the fuel rail.

Apr 22, 2012 | 2000 Chevrolet Blazer

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