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 2.6 Woes for years
#904298
09/07/08 03:16 AM
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Joined: Aug 2003
Posts: 131
OP
Wheeler
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Hey all. I have an '89 Trooper w/ the 2.6. Hasn't ran more than 15 seconds at a time for over 2 years! I replaced almost everything under the hood...elec. parts, all vac. hoses, fuel lines, etc. Can one or more fuel injectors malfunction and flood the motor after idling for about 15 secs.? <img src="/forums/images/graemlins/confused.gif" alt="" />
'89 Trooper 2.6L automatic--216,000+ miles
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 Re: 2.6 Woes for years
[Re: Trooper0601]
#904299
09/09/08 02:54 AM
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Joined: Aug 2003
Posts: 131
OP
Wheeler
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Ya mean NOBODY? <img src="/forums/images/graemlins/confused.gif" alt="" />
'89 Trooper 2.6L automatic--216,000+ miles
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 Re: 2.6 Woes for years
[Re: Trooper0601]
#904300
09/09/08 03:23 AM
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Joined: Aug 2000
Posts: 4,868
Roll Me Over
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Two questions -
Are you sure that it is flooding, and
Are you sure of the amount of time?
The reason I asked is that if the fuel pump relay is bad, the engine will start (the relay is by-passed during start) and then the engine will stop, but usually after about 5 seconds.
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Re: 2.6 Woes for years
[Re: Jim_Paget]
#904301
09/11/08 09:05 PM
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Joined: Jan 2000
Posts: 299
Mudrunner
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A disconnected or non-functioning MAF sensor will produce those symptoms.
Buy a Trooper. You'll be glad you did.
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Re: 2.6 Woes for years
[Re: Jim_Paget]
#904302
09/13/08 02:12 AM
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Joined: Aug 2003
Posts: 131
OP
Wheeler
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Thanks guys. Yes on the time thing. 10-15 sec. after starting, it all goes to he11. There is a lot of gas down in the oil pan and if I let it continue to idle, everything starts to smoke. The MAF is new and connected. Relays are new. The engine will continue to idle, but very eratic. If I try to give it gas, it usually stumbles and dies. Gotta let it sit for a while before starting again. Oh, I did a diagnostic and the fuel inj. code came up on the dash.
'89 Trooper 2.6L automatic--216,000+ miles
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Re: 2.6 Woes for years
[Re: Trooper0601]
#904303
09/14/08 01:10 AM
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Joined: Oct 2007
Posts: 16
Need a Spot
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Which code specifically?
How is the compression? You are draining the gas out of the oil pan aren't you?
Are the injectors leaking with the engine off? Hook a pressure gauge up and see how fast pressure drops off after it has run and dies.
Do a continuity test on each injector. Should be in the 10-17 ohm range generally.
John H.
1991 Isuzu Trooper 2.6
2004 Toyota Sequoia SR5 4x2
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Re: 2.6 Woes for years
[Re: Trooper0601]
#904304
09/14/08 03:33 PM
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Joined: Oct 2007
Posts: 1
Need a Spot
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I had the same problem and it was caused by a disconected temperature sensor under the intake manifold, the one used by the computer not the gauge one. Maybe you want to check that if you havent fix it yet.
junior
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Re: 2.6 Woes for years
[Re: juniorjs]
#904305
09/14/08 06:15 PM
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Joined: Oct 2007
Posts: 16
Need a Spot
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That's a good thought juniorjs.
I know of more than one individual on the planet who accidentally switched the Aux Air Reg. connector and the ECM temp sensor connectors and had similar problems. I can't remember the colors of the connectors, but I'm sure someone here knows them offhand.
John H.
1991 Isuzu Trooper 2.6
2004 Toyota Sequoia SR5 4x2
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 Re: 2.6 Woes for years
[Re: jbh1989]
#904306
09/15/08 03:17 AM
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Joined: Aug 2003
Posts: 131
OP
Wheeler
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'89 Trooper 2.6L automatic--216,000+ miles
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