code 13, 1994 LS400

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mista808

New Member
I know another code 13 problem, I've done an extensive search, and a lot of research via the web and mitchelle on demand. Anywho, I got a 94 LS400, check engine light has been on ever since I bought it about 4 years ago. Engine runs very strong, no misses, no vibration just this code 13, I have access to mitchelle and did a search on this code 13, rpm signal, camshaft. I talked to a friend that's a tech, and he said even if its off a tooth, these engines run so strong you wouldn't feel anything, I suspect it has something to do with the cam sensor. But here's the thing, when I first start up my car, there is no check engine light, about 3 seconds later the check engine light will come on. Now if I were to start up my car, the give it some gas 1000rpm and up, no check engine light, if I were to throw it into gear and drive off, no check engine light. The moment the rpm drops to idle, check engine light....

I plan to ohm the cam sensors one of these days, I don't suspect the crank sensor cuz the car starts and runs fine.. any and all input is greatly appreciated, thanks in advance....

Oh yeah, as you can tell by my post count, I mosty lurk around and do a lot of reading up.
 
just pull the covers off and check the cam and timing belt
see if it all lines up will only take a minute
i have seen mechanics put these on wrong
so its not hard to fuk up or the mechanics are dumb asses and they rush the job

it can also be a cam sensor but these very rarely fail
unless u have a broken wire but the actually cam and crank snesors on 1uz are very reliable

ive never replaced them but i have had 5 1uzs with timing belt off
and since the prob has been there since u bought the car u should really start from scratch
 


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