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Old 07-25-2011, 06:49 PM   #21 (permalink)
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edited
too technical ( and a shame the #2 plug was discarded, very very sad for that) lack of clues, costs big money.

#2 has weak combustion , or the CMP is Fibbing (or chain loose) (1 or the other, the way is a more complex)
as the old commerical went

is it REAL or is it Memorex.

is the CMP telling the truth.?

Last edited by bog; 08-03-2011 at 11:55 AM.
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Old 07-27-2011, 11:56 AM   #22 (permalink)
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Has there been any resolution since my nap?
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92 Ford Explorer, 450k
97 Ford Explorer, 400k
99 Tracker, 4dr, 4x4, 2L DOHC, auto 200k
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Old 07-27-2011, 02:58 PM   #23 (permalink)
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I haven't had a chance to do anything further with the Tracker. I had to spend some time earning a living.

I picked up a new fuel filter Monday afternoon but haven't installed it yet. I haven't been able to find a pressure relief valve on the fuel line. Is there one? I've also decide to pull the #2 fuel injector and have a local shop which specializes in fuel injection systems clean and test it. Last time I used them I think the cost was about $27 per injector. I need to eliminate the easy and inexpensive stuff before I start tearing the engine apart.

Hopefully I can get the fuel filter in and the injector pulled and dropped off at the shop tomorrow.
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Old 07-27-2011, 03:16 PM   #24 (permalink)
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nap time for me , gipper

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Old 07-29-2011, 01:10 AM   #25 (permalink)
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I changed the fuel filter today but it didn't make any difference. I doubted it would, but needed to be sure.

I also pulled the #2 fuel injector and dropped it off at the fuel injection shop to be tested and cleaned. I'm not holding my breath on this one either but I need to know for sure before I buy $200 worth of parts and tear everything off the front of the engine. The injector should be ready to pick up early tomorrow afternoon.

Finally, my wife called me while I was out running errands today and said the carport and the house (since all the windows are open) smelled like gas. I told her I spilled some while changing the fuel filter and removing the injector and the smell would go away soon. When I got home I noticed a large puddle under the front of the Tracker. It seems that since it was almost 90-degrees out today the fuel in the tank expanded and forced a lot of gas out the fuel rail where the missing injector was supposed to be. I loosened up the gas cap to let the tank breath and released a lot of pressure. So far now more gas in the car port.
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Old 07-29-2011, 07:55 AM   #26 (permalink)
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DO NOT WORK ON FUEL UNTIL YOU READ THIS PAGE.
please, i beg.
de-pressurize

My best friend Chris G. had to repair a USA Submarine Guitarro ,due to the mystery of fluids and pumps and cofferdams.
siphoning....
is not a friend to many, nor gravity ,nor natural pressure changes.

Last edited by bog; 08-03-2011 at 11:53 AM.
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Old 08-02-2011, 05:23 PM   #27 (permalink)
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I picked up the injector today, it was supposed to be ready last Friday but they never bothered to call me. They cleaned and tested it and could not find anything wrong with it. The cost was only $24, which I feel is money well spent. The tech at the injector service shop said he cannot believe the number of people who tear apart their engines before having the injectors tested. I like to eliminate as much of the simple and inexpensive stuff first before spending a lot of money on possibly unnecessary parts.

That said, I'll now be ordering a timing chain and tensioner kit, as well as a water pump and new upper and lower radiator hoses. It looks like there are some reasonably priced kits on e-bay. I'll make the order as soon as I can get the wife to transfer some money into my PayPal account.

Thanks again for the help, I've got to go out and re-install the injector now.
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Old 08-03-2011, 12:10 AM   #28 (permalink)
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When I discovered the bad plug last week I replaced all four and decided it was a good time to change the oil and filter as well. I used a Fram filter and Valvoline 10w-30 or what ever the manual recommends (sorry I have three cars and a motorcycle and they all use a different weight oil, as a result I have to look it up in the manuals every time a do a change).

After setting over night I get a loud rattle on start-up which usually lasts a couple seconds. Until joining the forum I always assumed the rattle was a worn lifter which had leaked down. I was unaware the engine used a hydrualic tensioner previously, but it make sense now. I've read a couple other posts which seem to suggest a sloppy chain can cause the cams to be off enough to misfire. While this makes sense in theory, I do wonder why I'm only getting a misfire code for the same cylinder (yes, I've cleared the code each time I've changed something).

I really miss my old Jeep CJ-7...
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Old 08-03-2011, 08:30 AM   #29 (permalink)
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retraction.
ill watch

Last edited by bog; 08-03-2011 at 11:26 AM.
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Old 08-03-2011, 10:50 AM   #30 (permalink)
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The elevation here in Yakima, WA is 1066 feet. I did perfom the compression test incorrectly. The engine had been run a couple hours earlier and I only had one plug removed at a time. I used a Craftsman compression tester. If I get some time in the next few days I go back and do the test over.
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