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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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

Where do i start?

look for broken vacuum hose that runs the map sensor

May 05, 2014 | 1991 GMC Suburban

1 Answer

When I turn on A/C engine speed revolucion goes down and up,unstable,when I push down brake pedal,engine turn off.

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.

Aug 06, 2011 | 2002 Chevrolet TrailBlazer

1 Answer

I have a 94 blazer 4.3 fuel injected and it is pumping gas into the oil

how often do you idle this blazer. if you idle alot this this adequetly lubricate the cylinder walls and what happens is "fuel wash", which then progressively wear the cylinders,rings,and piston ring lands and grooves. you may also have a throttle body/injector problem causing over fueling. any sign of smoke?

Feb 11, 2010 | 1994 Chevrolet S-10 Blazer

3 Answers

04 sonata hard tostart after fueling

Sounds like the 'Purge Control Solenoid Valve' to me. The evaporative canister (charcoal canister) absorbs the vapors from the fuel tank).. sometimes this canister becomes 'saturated' and the 'PURGE CONTROL SOLENOID VALVE' sucks RAW fuel into the intake manifold (causing a 'flooding' fuel condition).. but ONLY if this valve is STUCK OPEN or LEAKING. Replace this valve.. go from there.

Jul 12, 2009 | Hyundai Motor 2004 Sonata

2 Answers


P0121 - Throttle/Pedal Position Sensor/Switch A Circuit Range/Performance Problem

The throttle position sensor is probably either damaged, dirty, unplugged, or dead. It's located on the engine. Find the throttle body - the TPS will be the little box on the side of the throttle body - it measures how far open the throttle is, and tells the computer so the computer knows how to direct the car's driving parameters (shift points, fueling, etc).

Jul 29, 2008 | Hyundai Motor 2002 Elantra

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