Answers: The first article to consider is what type of injectors you are going to use. Stock or high operation. From a cost standpoint you are looking at about $250 for a stock replacement set and up to $500 for giant performance. If you establish to go beside high concert you will need to check for fuel pressure to be precise adequate as per the manufacturer specs. This is not a really difficult job but I would allow partially a day anyway. Be sure to verbs the top of the engine thoroughly before you start to preserve any loose debris from falling into the injector bores. It is unanimously a good belief to mark/number the electrical connectors before removing them (small step can salvage a lot of headache later). I always apply a standard lamp coat of 'Vaseline' on the rubber O-rings before installing contemporary injectors. This makes the rubber O-rings soft and help the injectors slide in much easier.
Good luck and own fun!
First question to ask why are you replacing adjectives of the injectors. If your going to up grade that's fine. Or if you know one of them is fruitless then that's ok too. But if you trying to fix a problem and your not sure, afterwards you might want to check a couple of other things first. I know that on this engine the injectors will not open unless you own 55psi of fuel at the rail, which system that you could have a discouraging fuel pump, or fuel regulator. You still might be getting fuel up to the rail but it might not be at the pressure that it requests.
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