FZJ80 queries

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Joined
Sep 15, 2020
Threads
1
Messages
1
Location
Perth, WA
Hi all,

I have just bought my first 80 series and excited to get stuck in to fixing it up. Have a few questions and I have read and researched a lot on the forum but I think my questions might be a little specific.
Firstly the check engine light is on, when I accelerate it makes a ticking noise which gets louder as I go harder on the right foot. It’s an automatic FZJ80. I was told it may be the gasket needs replacing in the exhaust, which could also be the check engine light, not sure if I believe him as I don’t hear much gas escaping. It runs a little sluggish, but the guy I bought it off has been travelling NW Western Australia and it is covered in red dirt. The picture shows the exhaust gaps and this is the same on either end of the down pipe. The brackets that hold the exhaust have also sheared so the exhaust is sitting on the chassis, which wouldn’t help the gaps I assume. Should I take the exhaust off, clean it all up and check gaskets? Or does it look warped to you guys who know a bit more? Worth finding a new exhaust or standard exhaust from a wreckers?
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I also want to clean the entire intake system, I feel like because it’s been in dirt and dust so much the MAF will be clogged, the throttle body will be clogged and PCV will be the same. Is it worth replacing the PCV valve and hose as a matter of general maintenance? And clean the MAF and get a new filter, empty tuna can etc. And would I need to take the entire throttle body off to clean it or would I get away with keeping it on? I’d rather not take too much off, I am pretty handy doing stuff myself but I don’t really want to mess with throttle cables etc and numerous bits I would have to take off. I feel like this just needs a really good clean and it will run better, may help with the engine check light on, as this comes on when the engine is cold and I push hard and I lose a little bit of power when it comes on, and I have read it may be because these parts aren’t performing efficiently and this could be down to dirt.

i also found a little bit of rust just above the passenger window. Could I get away with not having the cut the rail off too or would it have to come off with the section of rust? It’s not very big but it needs fixed before it gets worse.
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Any other bits of advice I can easily do myself without needing someone a bit more skilled? I’m pretty excited to get it running smooth and I want to do as much as I can myself to both save money and learn more about it. Cheers for any help you can give me 👍
 
You should try to find out what code is being thrown for the check engine light. I'd start there.

Its easy to pull off the rubber intake hose and look into the maf but if it's really bad I'd take it off and clean it so you aren't putting all that dirt into the motor if you used a spray type.

Yes on the pcv and other general maintenance items to replace them as part of your baseline.

Someone else may have a better understanding of the exhaust but I would think even if there was an exhaust leak the motor would still run fine It would just be a lot louder...
 
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