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PostPosted: Thu Jul 26, 2018 8:49 pm 
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Joined: Thu Dec 12, 2013 7:58 am
Posts: 41
Hi All,

The LPG has started to run lumpy on my Celica - It feels like it's running on 3.5/4 cylinders if that makes sense - not quite a full cylinder misfire like you'd get by pulling a spark plug lead off, but definitely not right.
It runs fine on petrol & gas pressures are ok so I'm convinced it's an injector issue.

They've been on the car for 60000 miles. I did run some injector cleaner through them a while back but didn't notice any difference.

Can you rebuild HANA injectors? They are the 1.3ohm blue rail type.

If you can't, as they've been on for so long would it be best to replace all 4 at once in order to keep the cylinders balanced?


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PostPosted: Tue Jul 31, 2018 5:54 pm 
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Joined: Mon Jan 23, 2012 12:21 pm
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Location: Milton Keynes
No idea if you can rebuild, but a brief search didn't show any rebuild kits up. You would want to do all 4 yes as seals etc will harden with age and best to keep them all as close to the same spec as possible, you should really recalibrate it at the same time.

Might be an idea to look for any fault codes being logged in the petrol system, as this might narrow down which cylinders. Though I've had coil packs begin to fail where they only are really noticeable around idle speed on gas, but appear fine on petrol at the same time progressing to more noticable problems at certain rpm/load situtations.


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