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1994 Toyota Land Cruiser
Problem for Toyota 1994 Land Cruiser

94 Land Cruiser - blown EFI fuse and stalls




By jessie25 - usenet poster

" "
My vehicle: 1994 Toyota Land Cruiser
Engine: 1FZ-FE 4.5 litre Inline 6 cylinder

Symptom: Twice in the same day vehicle stalled with blown 15A EFI fuse
driving at speed (60-70mph) with foot off gas. Several other times
during the same day vehicle stalled with foot off gas - but no blown
EFI fuse. Vehicle would reliably stall unless I kept some pressure on
the gas pedal. Then the problem seemed to go away except idle is still
a little rough and vehicle behaves a little strangely at times
(acceleration is not smooth, occasional small lurches).

I'm thinking it is one (or a combination) of three things:
A. Bad Throttle Position Sensor (TPS)
B. Bad Fuel Pump
C. Clogged Fuel Filter

If it was just the stalling I'd think only the TPS is the problem but
I'm not sure why I've gotten the blown fuses. Any tips on which of the
three things above, or any other things, that may be causing the
problem would be much appreciated.

Thanks,
Ian
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Same Problem

Feb 21, 2009

-   Yep. O2 sensor wire harness shorting against the front driveshaft. Just fixed it. This thread helped to isolate the problem quickly. Thanks Jessie25, you are the man.

Lonnie-   dinkys58

Solution #1

posted on May 14, 2008
Not Rated)

jessie25
jessie25 - usenet poster

Rank: Apprentice 
Rating: 0%, 0 votes
Reguarding the efi fuse,their is a problem with some of the
cruisers blowing this fuse because the wire feeding it is too small.It
gets hot,causing higher resistance and current draw.Has to be an older
unit,the wire breaks down from the heat cycling.I believe the wire is
16 gauge ,it needs to be replaced with a 12-14 guage wire from the
fuse to the first wire splice in the harness.The wire to the splice is
12 gauge.You may want to take it to a toyota dealer for this.They may
or may not know about this fix,show them this message from a certified
Toyota tech who has done this repair.good luck
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Solution #2

posted on May 14, 2008
Not Rated)

jessie25
jessie25 - usenet poster

Rank: Apprentice 
Rating: 0%, 0 votes
Ian, none of the above, you have a shorted wire harness in the rear of
the engine by the EGR pipe, it has melted through and a wire is now
shorted to ground. Of course, it could be a zillion different things,
but I doubt it. Do let us know what you find, oh, dont overlook the O2
sensor wires melted to the exhaust, but the above is likely. ;-)
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Solution #3

posted on May 14, 2008
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jessie25
jessie25 - usenet poster

Rank: Apprentice 
Rating: 0%, 0 votes
Ian, sorry to change the subject a bit but how do you like the truck. I'm
negotiating to buy a 1994, just over 100k miles, but torn between that and
paying over 2x for a 1998 with the new style/powerplant. Have you found the
1994 to be reliable? It has all the features I need, just wondering if I'd
be better off with the newer one. I'm not looking at this as a day to day
driver, just for hauling stuff, space for two big dogs, and use in bad New
England weather.

Thx.

...
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Solution #4

posted on May 14, 2008
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jessie25
jessie25 - usenet poster

Rank: Apprentice 
Rating: 0%, 0 votes
I had the same problem, turned out to be the O2 sensor wire shorting out -
taped it up, problem went away.
Good luck
Andrew

...
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Solution #5

posted on May 14, 2008
Not Rated)

jessie25
jessie25 - usenet poster

Rank: Apprentice 
Rating: 0%, 0 votes
Hell, for the money saved over the 1998, you can install either the TRD
supercharger, or get the Safari Tubo, and laugh as you blast by the 98's on
the freeway!!!!
The Land Cruisers motors are very long lived. I wouldn't hesistate to buy a
Cruiser with 100,000 - 200,000 miles on it if the service was done properly,
and in a timely fashion.

For the money differeance between a 94 and a 98 you can do some pretty
wicked things to the truck, such as the mentioned super or turbo. OME
suspension, ARB bumpers front and rear, roof rack, all kinds of cool stuff.

--
James H.
SLC, Utah.
76 FJ40 'Blood Sucker'
Wasatch Cruisers
TLCA #11233
FJ40OMERS900035InchMTR's Non-USADistJimCCarbStock otherwise.
"Who needs a locker when you've got secondaries???"

...
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Solution #6

posted on May 14, 2008
Not Rated)

jessie25
jessie25 - usenet poster

Rank: Apprentice 
Rating: 0%, 0 votes
Hell, for the money saved over the 1998, you can install either the TRD
supercharger, or get the Safari Tubo, and laugh as you blast by the 98's on
the freeway!!!!
The Land Cruisers motors are very long lived. I wouldn't hesistate to buy a
Cruiser with 100,000 - 200,000 miles on it if the service was done properly,
and in a timely fashion.

For the money differeance between a 94 and a 98 you can do some pretty
wicked things to the truck, such as the mentioned super or turbo. OME
suspension, ARB bumpers front and rear, roof rack, all kinds of cool stuff.

--
James H.
SLC, Utah.
76 FJ40 'Blood Sucker'
Wasatch Cruisers
TLCA #11233
FJ40OMERS900035InchMTR's Non-USADistJimCCarbStock otherwise.
"Who needs a locker when you've got secondaries???"

...
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Solution #7

posted on May 14, 2008
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jessie25
jessie25 - usenet poster

Rank: Apprentice 
Rating: 0%, 0 votes
Hey thanks for the advice. Just looked at the TRD site, looks like they
only offer the supercharger for 1995 and newer Cruisers. Any idea why they
don't offer the supercharger on the 1994? I'm just curious what's different
about the 1994 engine?

...
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Solution #8

posted on May 14, 2008
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jessie25
jessie25 - usenet poster

Rank: Apprentice 
Rating: 0%, 0 votes
...

Depending on where you are, there could be twelve valves difference.

Huw

---
Outgoing mail is certified Virus Free.
Checked by AVG anti-virus system (http://www.grisoft.com).
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Solution #9

posted on May 14, 2008
Not Rated)

jessie25
jessie25 - usenet poster

Rank: Apprentice 
Rating: 0%, 0 votes
I think this has something to do with the air cleaner. It is in fact
possible to install the supercharger into a 93/94, but a few modifications
are required. Check out http://www.sleeoffroad.com for some more details, or give
them a call.

--
James H.
SLC, Utah.
76 FJ40 'Blood Sucker'
Wasatch Cruisers
TLCA #11233
FJ40OMERS900035InchMTR's Non-USADistJimCCarbStock otherwise.
"Who needs a locker when you've got secondaries!"
...
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This Problem Also Relates To: 1995 Toyota Camry 1991 Toyota Camry 1995 Toyota 4Runner 1990 Toyota 4Runner 1996 Toyota Corolla 2003 Toyota Camry 2001 Toyota Camry

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