Topic: Wierd Temp. problems with my 22RE

[Confederate13]

        I recently bought a 22RE with a rod knock  and put a new crank and bearing in it. I have it timed correctly and it runs smooth and responds well.  But I am having some weird temperature problems. The  tempurature guage in the cab only comes up ¼  of the way. (on all  other  toyota trucks I have owned they have come up half way.)  When I got back from the test drive I also noticed that my exaust manifold was slightly glowing, which is way to hot.
        The next thing I did was check the codes and it reads a code twelve.  Which tells me to check for a open in the NE Circuit. Distributor. Open or short in the STA circuit. And EMC.
I don’t really know where to go from here, or what is causeing my problem? Does anyone have any solutions?

[Duffil]

glowing manifold usually = plugged cat. start there.

[79coyotefrg]

cam timing is advanced,  put it back stock

[Confederate13 [OP]]

I fixed that timing problem, and am possitive that it is right on now. the valves were ajusted correctly. I know its not a timing problem.
 
Will I still have sufficient back pressure if I knock out the inside of my cat?  the rest of the pipe is stock.

[kneedownnate]

Back pressure    Trust me, that pathetically small stock exhaust will choke up your engine plenty.

[1997whitefozo]

Ditto on the clogged cat. Mine did the same thing.

[Confederate13 [OP]]

I pulled off the cat today and it doesn't look clogged. I can see through the honnycomb stuff fine. and air passes fine when you blow into it.  so now I am stumped again to what my problem is.  the wierdest part is how good that it is running, it runs as if there is no problem at all. any other ideas?

[Confederate13 [OP]]

79coyote when you say cam timing do you mean that the timing chain mark is off a tooth on the camshaft sprocket or that my distributor is stabbed on the wrong tooth?

[Confederate13 [OP]]

is there a senser or something I can adjust to richin it or something?

[Confederate13 [OP]]

anyone? 

[tpeterson20]

ive had issues before with the temp gauge not reading right because the coolant temp sensor had a bunch of corrosion on it. check to see if its got corrosion built up on it. as for the glowing manifold  sounds like a lean condition or an exhaust restriction. did you check your muffler also? hope this helps

[Confederate13 [OP]]

a quick update. I took out the spark plugs to see if they were tainted white and I found that they arent, it looks like it is either running rich or not fully combusting. I triple checked the timing chain and sproket marks, distributer position and everything and I am 100% positive it is not a timing problem. the Cat is clean and clear. It has a brand new air filter.
     I will check the rest of the exaust, thanks for that add. could it be anything else?
It runs so good I dont understand what could be so off to make it get that hot?

[jmac]

I got money on catalytic converter is breaking up and clogged up in the muffler, as mentioned above.  Pull off the catalytic converter and bust out the remaining honeycomb if it is (I'm not sure your supposed to be able to see through these as you mentioned, this would indicate it's failure).  If you got a big enough air compressor blow out the exhaust behind the cat converter and watch to see if crap comes flying out or if you hear some stuff banging around in muffler.  Stick a rag in there with the air hose to completely occlude the pipe on the front end.

Also open the garage door so you don't put a dent in you door like i've done when the crap comes shooting out.

[funrunner87]

I got money on catalytic converter is breaking up and clogged up in the muffler, as mentioned above.  Pull off the catalytic converter and bust out the remaining honeycomb if it is (I'm not sure your supposed to be able to see through these as you mentioned, this would indicate it's failure).  If you got a big enough air compressor blow out the exhaust behind the cat converter and watch to see if crap comes flying out or if you hear some stuff banging around in muffler.  Stick a rag in there with the air hose to completely occlude the pipe on the front end.

Also open the garage door so you don't put a dent in you door like i've done when the crap comes shooting out.

dont do that,  you should be able to see threw the cat. that is normal, its will look like a grid patters, little bittle squares, 

if you do bust out the cat and you are cought.... be ready for the rapping of a life time from the gov.