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post #1 of (permalink) Old 10-18-2008, 12:17 PM Thread Starter
 
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Code 118 red alert

So im posting again, Its crazy but im still working on a lot of vehicles, knocking out projects and i barely get online, but im stumped. I am recieving the PO118 code, Engine coolant temp circuit high input? The 96 tracker runs like a champ, its that 430$ one i got out of Utah off ebay over a year and a half ago. Well i stuck it in storage after putting the engine in it 1 1/2 yrs ago and finally picked it up a month ago. I put Grand vitara springs in it, flipped the front mounts and cleaned out the manifold, egr system and put auto hubs on it (so Heidi wont have to get out to engage the hubs) and did the brakes, oil change and new air filter. I really think its driving great, but i dont want to hand it over until i get this code fixed and the heater core working right. It blows great, but no heat...are these two related?

Update on Heidi's rig, I am almost done with her's. Just want to put an electric fan in it and finish tapping and drilling the front axle housing to recieve one of the electric lockers.

Just picked up an 84 dodge d50 power wagon turbo diesel for 500$, runs and drives but needs a water pump. About the size of a toyota, with a mitsubishi 4banger turbo diesel engine. Couldnt pass up the opprotunity to have a test bed for a homemade hydrogen generator project.

Any suggestions would be great, did a search but got back nothing on zuh and this board. Max
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post #2 of (permalink) Old 10-18-2008, 02:22 PM
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It shouldn't be related. The coolant sensor may have corroded while sitting dry (it's the one for the fuel injection and not the engine temp) Does it have a thermostat in? Check the door is opening to allow air through the heater core (could be a s simple as a vacuum line off or the hoses reversed at the reservoir which has a check valve so it does matter which way they are hooked up)

PS: Don't overheat the diesel even slightly! Those heads have a known cracking issue (same one was used in Ford Rangers for awhile)

Last edited by carnuck; 10-18-2008 at 02:27 PM.
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post #3 of (permalink) Old 10-18-2008, 05:11 PM
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ECT high implies an open circuit sensor or a bad connection to it.

2000 Vitara 1.6, 2" lift, 3" body lift, winch, snorkel, safari rack, 33" MTs, rear discs, steel front axle, 5:83s
SJ413K Pick Up, 1.6 conversion.
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post #4 of (permalink) Old 10-19-2008, 03:08 PM Thread Starter
 
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Where is the circuit sensor? Can someone post a picture of it? I changed the waterpump sensor out, even though i knew it was working and oddly enough i have a wire hanging near the battery, but for the life of me i dont know where it hooks up. Just ran out to the rig after reading these reply's (thank you carnuck and James) and i couldnt find a sensor for fuel imput. I am heading off to work, but hope to cure this tomorrow. I have three other engines to swap parts from so im not shy on any parts for back up...
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post #5 of (permalink) Old 10-19-2008, 03:13 PM Thread Starter
 
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[PS: Don't overheat the diesel even slightly! Those heads have a known cracking issue (same one was used in Ford Rangers for awhile)[/QUOTE]

I think im going to run an electric fan on this one with an adjustable setting. Im back flushing the radiator as well then running it on some de ionized green label wallgreens water to get the scaling off. Drove it around the block and it runs great, cant wait to put a new water pump in it, looks like the prior owner just did bearings, fuel pump and a few other knick knacks under the hood. Very pleased with the purchase so far. Thats tuesdays project. Line em up and knock em out.
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post #6 of (permalink) Old 10-20-2008, 03:47 PM
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Quote:
Originally Posted by mxnhid View Post
Where is the circuit sensor?
If you stop by, I'll show ya.

Yankee Tim
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post #7 of (permalink) Old 10-21-2008, 11:09 AM Thread Starter
 
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Quote:
Originally Posted by Yankee Tim View Post
If you stop by, I'll show ya.
Seriously, is this something that has a wire plugged in to it? Im going crazy trying to track this. Oh and i did the IM thing on the invite and i think it was too late. Hopefully you take the wife and kids and head out to moab soon, we would be a great pitstop. Heated garage, welder torches, bathroom, good stuff here.
It makes sense that the coolant sensor would be bad after sitting. Before i pulled the x90 engine, it had sat for at least a year, then i got it running, did a tune up with it out of the car (pump, belt, cap rotor etc) and shipped it to utah. Installed it and it sat another 15 months. So whereever the coolant temp is taken for the fuel, its probably corroded, but ive looked all along the fuel rail, injectors and delivery system and i cant put it together?

arggg, I want to pass this thru emissions on thursday too.
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post #8 of (permalink) Old 10-21-2008, 11:25 AM Thread Starter
 
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Is this the two wire sensor that is to the left of the water temp sensor as your looking at the waterpump from the front of the car?
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post #9 of (permalink) Old 10-21-2008, 12:08 PM Thread Starter
 
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figured it out

So i went back out, after doing yet another search (my fourth) and looked at the two wire plug, pulled it and cleaned it, looked at the bolt above it, and thought, i wonder if its different. Went to the other engine sitting in the back of my van and saw it was, so i pulled it, drilled it out to fit, ran the car with the hole exposed to flush out any metal shavings then it went right in. No more light cause the wire that i could never figure out where it went, goes right on the new sensor. Thanks for the direction, even the general idea helps. No light and the car is ready for thursdays emission challange.

I pulled the glove box and looked at the flap for fresh to recirc air, its working, but i get minimal heat. All vents work as they should, just not alot of hot stuff coming out. Im going to flush and run water next.
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post #10 of (permalink) Old 10-21-2008, 07:01 PM
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Did it look like this?



As for the heat, is the vents blowing lots of air, just not hot?

We'll take you up on the pitstop to Moab. And next time you're out this way, stop by as we own our own private rock ranch with plenty of tuff stuff (Bob just broke a front spring last weekend bashing around on the rocks).

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