Question about 1991 Isuzu Rodeo

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I have a 1991 isuzu rodeo,when i drive up hills or on flat ground it seems like it is starving for fuel,what could cause this.

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Hello. You could have a partially clogged fuel filter [the fix is to replace it] or your fuel pump could be on it's last legs, or you could have a gummy carburator. Put two bottles of a fuel additive into the fuel tank called seafoam and that will degum everything for you.

Posted on Feb 02, 2010

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I am not getting power to drive train - it jerks a lot and has tough time getting up hills! Replaced timing belt, fuel filter, fuel pressure regulator, spark plugs and wires, catalytic converter, and O2...


FUEL PUMP FAILING OR YOU HAVE FAULTY TRANSMISSION TORQUE CONVERTER.CHECK FUEL PRESSURE SHOULD BE 43 PSI OR 9 - 13 PSI. IF FUEL PRESSURE OKAY PROBLEM IN TRANSMISSION.TORQUE CONVERTER NOT LOCKING UP FOR OVER DRIVE.CHECK TRANSMISSION FLUID LEVEL AND CONDITIONS IF LOOKS BLACK SMELL BURNED,REPLACE TRANSMISSION FLUID AND FILTER.CHECK TRANSMISSION SHIFT CABLE COULD BE OUT OF ADJUSTMENT.

Mar 29, 2011 | 1991 Isuzu Rodeo

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Okay I have a 2000 isuzu rodeo v6 4wd and I have been having problems with it since i've had it.I started having slight engine bog and then the car wouldn't even run i replaced the intake manifold gasket...


IT'S CALLED MISFIRE, that get a tuneup yet>?
lacking cash for shop
or cash for tools
how can one fix a misfiring engine,?
no scan tool either.
be impossible.
now DTC errors code stated by you.
there are 50 causes of misfire, at least, i have a list but nah.....
new spark plugs.
see those 3 coil packs, put on new HV wires there
1 by 1, DO NOT MIX THE WIRES UP.
new air filter and fuel filter,? a tuneup, do that first.
is compression at spec. 150 psi or 80? if at 80 the cam belt slipped
that belt is a 60,000 service item are you skipping belt changes.

EGR DTC errors
P1404
1406
1491
1498
which one. each has a different cause. guessing will fail.
fuel pressure
sure.
but no PSI stated
or at key on, idle and at WOT for 1 second. (gunned)
pump pressure is 3 tests NOT one, infact its 6 tests, buy the book.
or more if you do an injector leak down test.

one question really
can you force engine to have full power WOT>
wide open throttle up a hill,? yes..no (right foot aggressive)???
pretend helper cant drive car
tell all things the engine does good./bad/ugly
all things tells use whats up.
hot engine cold, parked and driving flat ground and hills.
all things,
or its going to be expensive guessing.

Mar 18, 2017 | 2000 Isuzu Rodeo

1 Answer

Can seem to smell fuel after the car is driven. The check engine light came and the car seems to struggle to move when starting to drive and when going up a hill. Once acceleration starts there is no...


It's most definitely your fuel pump, needs to be replaced, it will cost you a little bit, around 150 for the fuel pump itself if you get it new which i suggest, and you're losing fuel, which makes you spend more money on gas, so in the long run you're saving money, as for the labor cost, that depends on the mechanic, because they do have to drop the gas tank. hope it helps.

Nov 22, 2010 | 2000 Isuzu Rodeo

2 Answers

1993 rodeo not running no power to fuel pump


if there is no power to the fuel pump check relays and fuses....UNDERHOOD FUSE & RELAY PANEL IDENTIFICATION Fig. 2: Underhood Fuse & Relay Panel Identification Courtesy of ISUZU MOTOR CO. Fusible Link Identification ? A - 80 Amp (1991-92 3.1L) ? A - 60 Amp Main-1 ? B - 30 Amp Main-2 ? C - 30 Amp (1993-94) ECM (3.2L) ? D - 30 Amp Condenser Fan (A/T Models) Relay Identification ? 1 - Headlight Relay ? 2 - A/C - Heater Relay ? 3 - Starter Relay ? 4 - A/C Compressor Relay ? 5 - Charge Relay ? 6 - Fuel Pump Relay ? 7 - ECM Relay ? 8 - Wiper Relay Fuse & Circuit Breaker Identification ? 1 - 15 Amp (1991) ECM, Fuel Injection System ? 1 - 15 Amp (1992-94 2.6L) ECM, Fuel Injection System ? 1 - 10 Amp (1992-94 3.1 & 3.2L) Heated Oxygen Sensor, Fuel Injection System ? 2 - 20 Amp (1991-92) Fuel Pump ? 2 - 20 Amp (1993-94 2.6L) Fuel Pump ? 2 - 15 Amp (1993-94 3.2L) Fuel Pump ? 3 - 10 Amp (1991) ? 3 - 15 Amp (1992-94) Turn Signal Lights, Hazard Warning Flasher Lights ? 4 - 10 Amp Horn, Door Locks ? 5 - Not Used (1991 3.1L) ? 5 - 10 Amp Charging System, Charge Warning Light WARNING: Always disconnect battery ground cable before servicing "high- current fuses. It is recommended that "high-current" fuses be replaced by a qualified technician. Page 1 of 2 FUSES & CIRCUIT BREAKERS -1994 Isuzu Rodeo LS? 6 - Not Used (1991) (1992-93 2.6L) ? 6 - 10 Amp (1992-94 3.1L & 3.2L) A/T Interlock System ? 6 - 10 Amp (1994 2.6L) Heated Oxygen Sensor, Fuel Injection System ? 7 - 20 Amp Heater/Air Conditioning Blower Controls ? 8 - 10 Amp Air Conditioner Compressor Controls ? 9 - 10 Amp Right Headlight ? 10 - 10 Amp Left Headlight © 2008 Mitchell Repair Information Co., LLC.
62217_isuzfuse_1.jpg
Underhood fuse block swap out relay #7 thats the ECM relay.
Ground Circuits Using a DVOM, touch negative voltmeter lead to a good ground. Touch positive voltmeter lead to each ground terminal. With vehicle running, voltmeter should indicate less than one volt. If reading is greater than one volt, check for open, corrosion and loose connection on ground lead. See ECM GROUND LOCATION table for ECM ground location.
Page 1 of 1 SYSTEM/COMPONENT TESTS - 2.6L EFI -1994 Isuzu Rodeo

Mar 28, 2010 | 1993 Isuzu Rodeo

1 Answer

Pinging sound from vehicle


The pinging is commonly caused by fuel problems ... usually a tankful or two of premium will clear it up. If not have it checked.

The front and rear shocks are different. You can even check this by going to www.autozone.com

Feb 18, 2009 | 1998 Isuzu Rodeo

1 Answer

1991 isuzu rodeo 2.6 engine.)


You have a very dangerous condition. Do not start engine. Problem is in fuel injection system. Probably cold start valve stuck wide open and dumping excessive gas in system. Have car TOWED to shop. Bill

Oct 04, 2008 | 1991 Isuzu Rodeo

1 Answer

Seems like has no power?


is it a manual transmission or an automatic?

Jul 28, 2008 | 1991 Isuzu Rodeo

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