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Topic Review (Newest First)
12-04-2008 10:21 PM
jpdocdave ok, it has a timing belt. the belt itself is not turning? the belt is broken? jeep says replace the belt at 90k, how many miles are on it?

not sure if its an interference motor, but that timing belt is the quickest belt to do ever. put a new one on and try it. obviously got to put it on exactly right.
12-04-2008 03:05 PM
tenntj04 Its a 2.4 not 4.0.
12-03-2008 08:11 PM
jpdocdave ya whats not turning? no timing belt. are you saying the rotor isn't turning inside the distributor?
12-03-2008 07:28 PM
Jerry Bransford Are you talking about the serpentine belt when you say timing belt? The 4.0L engine has a timing chain inside under the timing chain cover that you can't see.
12-03-2008 07:00 PM
tenntj04 Well I am no mechanic by any means, I do good to figure things like this out with the code reader.
12-03-2008 06:57 PM
Kauka
Quote:
Originally Posted by tenntj04 View Post
Oh crap it looks like its the timing belt. It does not turn at all, its either stuck or broke at the bottom. This sucks.
Not saying this applys to you, but it proves a point we have in the Navy today working on the F-18s people are forgeting how to trouble shoot. All they know is "the code says it's this part" Computers are ok in helping dianose a problem, but don't take it for fact. When you look where the "Code" is telling you to go and something doesn't seem right...It probably isn't...

Thats IMHO..but hey, that and $1.50 will get you coffee at Denny's
12-03-2008 06:41 PM
tenntj04 Oh crap it looks like its the timing belt. It does not turn at all, its either stuck or broke at the bottom. This sucks.
12-03-2008 03:49 PM
Jerry Bransford So far as I know, even though they work in the same way, they are different.
12-03-2008 03:33 PM
tenntj04 Thanks for the help, do you happen to know if the crankshaft and camshaft sensors are the same part? They look identical.
12-03-2008 03:11 PM
Jerry Bransford Based on those two codes, either could be the problem. Each of those two sensors has a plug that should checked for a good solid electrical connection. Try unplugging them both, cleaning the connectors, and then reconnecting them. Check the condition of the wiring around the plugs too.
12-03-2008 03:06 PM
tenntj04
Quote:
Originally Posted by Jerry Bransford View Post
What are the symptoms and what code did you get? I ask because sometimes that sensor is confused with the crankshaft position sensor. That sensor can give the same symptoms as the camshaft position sensor and it goes out a little more commonly.
It will not start, just tries like its getting no fire. The codes I got were P0340 and P1391. Thanks for the help.
12-03-2008 02:31 PM
Jerry Bransford What are the symptoms and what code did you get? I ask because sometimes that sensor is confused with the crankshaft position sensor. That sensor can give the same symptoms as the camshaft position sensor and it goes out a little more commonly.
12-03-2008 02:23 PM
tenntj04
Camshaft Position Sensor

How hard is this to change? I put my Jeep on a code reader today and this is what it said the trouble is.

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