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Hi all, I'm new here. I've found many, many useful posts here for the past 2 years owning my 02 civic lx 4 Dr but can't seem to find the answer I'm looking for specifically. As mentioned, I have an 02 4 door with the D17a1 and recently got a P1129 code which I believe was Map sensor higher than expected. I checked a bunch of threads on this site and everything seems to point to incorrect timing. So I pull some stuff apart and revisit the timing belt/water pump job I did 2 years ago and found it to be slightly out of time,
I'm guessing the spring for the tensioner I reused at the time was stretched and caused this. Anyhow, I put a new timing belt and tensioner in as I did last time, however this time when torquing down the tensioner bolt to the 33 ft. Lbs (Ive seen everywhere to do so), it loosened up and I realized it was stripped. This seems to be EXTREMELY common on this vehicle and from what I've read Honda updated it to a longer bolt after 2002. I found a bolt from the Alternator bracket of the same thread but the bolt itself was maybe half an inch longer. I used that in place if the original tensioner bolt with some red thread locker and it torqued down to 30 ft. lbs. no problem with the extra threads. The answer I'm looking for is simply will this hold up long term? It seems to be okay now but deep down I'm a bit worried about it. Has anyone else tried doing this? I definitely was not trying to go the time sert or helicoil route...

 
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I see no reason that it would fail. You would have felt or seen if it was interfering in any way.

 
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Thanks for the input. It felt pretty good when I torqued it down. I'm not too concerned about taking it apart again in the future anyway so I figured the red thread locker would help give it a chance to stay tight. This vehicle is approaching 300k and it's getting tired so this will probably be its last timing belt job anyway

 
Rep Power: 222

Should be fine, at the end of the day its a 20 year old economy car with 300k

 
Rep Power: 224

I have never heard of a MAP sensor fault pointing to a timing issue. My first guess would be a failing MAP sensor.

 
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Failing map sensor was my first guess until I looked up the issue online and found many people with the same issue as me. I guess the incorrect timing caused valves to open at the wrong times causing excess pressure in the intake manifold? I found a video on YouTube that explained it well and it made sense. Turned out this was EXACTLY my issue. Cars running perfect now after a fresh timing belt/tensioner/water pump. Just hoping the bolt for the tensioner holds up a little while longer