Question about 1991 Suzuki Sidekick

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Everythings fine in our 1991 suzuki sidekick. but she wont start. We know that theres a short in the fuel pump wire. How would we fix or find the short?

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There's no easy way to find and fix it. Check all the connections in the harness for corrosion and clean them up before putting them back together. Especially the ones at the rear of the vehicle. You could try running a jumper wire from the battery to as far back as you can reach. If this gets the pump working then splice this wire into the existing and bring it into your fuse box. Most manufacturer's leave at least one open spot that turns on with the key. Plug into that with an in-line fuse.
You may have to lower the tank to get at the wires there to solve the problem. A lot of dirt accumulates up there over time. Hope this helps.

Posted on Oct 10, 2010

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1 Answer

I have a 1997 suzuki sidekick JX 4×4 and it was running fine I had the computer checked and the o2 sensor and a calorie converter needed to be changed so I did that and it was running great and I turned it...


wont crank or cranks fast but will not start???????????????
2door or 4 doors? (wired diffr they are)
its an old car, and most fail this old. "entropy"
first off, 3 things must be good on this old engine.
1: compression. at above 150 psi, 180 warm not 80.
if compression is low an all 4 cylinders (G16b engine) the cam belt slipped, do to owers not changing belt at 60,000 miles !
2: bad spark, test for spark at all 4 cylinder yet? if bad spark
use a scan tool and see why, cranking for 5 seconds. P03xx errors?
at this point the engine runs on test fuel. does it?

3: bad fueling , too much or too little or none)
is engine flooding, spark tips wet,
no dry, and test fuel runs car for 3 seconds.
ok that means the pump is dead, or weak
caused by (again a real 60k tuneup skipped, the filter)
replace filter. omg got 30psi pump pressure,
lets say pump pressure is still weak, lets say 15psi, (failed)
i check pump voltage cranking, omg, got 8v. the wires
behind left rear tail light (2door) pink wires or ground there bad.
ok got 12vdc to pump. but is weak
i then check FPR, fuel pump reg on fuel rail. i find it is stuck wide open, a new FPR gets pressure to 30 running and 40 not running.
fixed.
no the FPR is ok, the pump is bad. (last, pumps is last in my book as the work is long and hard, and why do that if , its not bad. as most all seem to do on forums.)

no start has 50 causes.
see scotty do the TEST FUEL test.

http://www.fixkick.com/nostart.html


we dont know what checked filter and pump means.
1: filter is there and looks pretty?
2: pump makes noise?
we use a fuel pressure gauge for 20 bucks.

all 9 pump tests are here, and the there tests for injector leakdown
and injector balance tests. all off one tool.
not starting can even be, leaking injector, folding 1 cylinder bad.

http://www.fixkick.com/INJECTORS/pump.html

Mar 23, 2015 | 1997 Suzuki Sidekick

2 Answers

No fuel


Check that the fuel pump is not jammed , eventually replace it, check also the fuel filter.

Jul 20, 2008 | 1991 Suzuki Sidekick

1 Answer

My sidekick will turn over and just wont start, we supplied power directly to the fuel pump and it would run but there is no power going to the pump all fuses are good.


some of the european suzukis had 2 small wires on the starter motor solenoid.
one of these was the trigger from the ignition switch, but the other supplies power to the ignition electrics (fuel pump and coil) when the ignition is in the start position.
if the second wire is loose or broken it will cause the problem you are describing

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1 Answer

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Mar 19, 2009 | 1991 Suzuki Sidekick

1 Answer

91 sidekick engine won't start, fuel pump relay replaced and working,fuel pump not running


Check for power at the fuel pump, I've seen these have a bad connection for the fuel pump in a connector behind the left rear taillight. If that connection is good and you have power and ground to the pump when you cycle the key or crank the engine, then replace the pump.

Mar 01, 2009 | 1991 Suzuki Sidekick

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lcbr1911

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the computer controls the fuel allowed into the engine, so if its not shutting the fuel pump off after the initial prime, it's probaly a computer problem, they are know for corroding inside the computer, can be fixed cheaper then replaced!

Jul 25, 2008 | 1991 Suzuki Sidekick

1 Answer

No fuel


I come to find out,the fuel command is controlled by the computer, due to corrosion in the internals, it is not telling the fuel pump to turn on,so in turn, I run a switch to the power side of the fuell pump, it works, but the weird thing is, you only need the power on to start the truck, after its running, you can shut the switch off, it stays running, shut it off, you need to turn the power on to make it start pumping again, now who can explain this??

Jun 22, 2008 | 1991 Suzuki Sidekick

1 Answer

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