Fuel injectors - clean-out screens?

658 Views 3 Replies 3 Participants Last post by nmartin, Feb 2, 2004

nmartin

Discussion Starter · Feb 2, 2004

A question for the experts about the fuel injectors:

My NX has 133k on it, and exhibits a slight lack of power below 3000 rpm and a slight hesitation down low. Classic "fuel injectors need cleaning" problem, but we can't put FI cleaner in our cars cuz it will screw up the injectors. But I did see a thread that said something about a company who cleans our injectors by cleaning a little screen in each injector with carb cleaner.

Anybody know about this or done this? I haven't seen a parts blowout of our injectors anywhere, so I don't know if this is a possibility. Sure be nice if it were true.

Any insight from the SR20 wizards?

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sr20ser

· #2 · Feb 2, 2004

I don't know about the screen part but, send your injectors out to RC Engineering. I had my injectors for the NX blueprinted, cleaned, and flow tested for under $200. Oh... you can use redline fuel injector cleaner, and a few other brands.
-Tim

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seryusly

· #3 · Feb 2, 2004

i also have this problem. i thought about sending them out for cleaning, but then id have to buy new or used ones so that i can still drive my car. what about the 370cc injectors? is this a good investment or should i have more done to my car first?

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nmartin

Discussion Starter · #4 · Feb 2, 2004 (Edited)

sr20ser said:
I don't know about the screen part but, send your injectors out to RC Engineering. I had my injectors for the NX blueprinted, cleaned, and flow tested for under $200. Oh... you can use redline fuel injector cleaner, and a few other brands.
-Tim

Well I bought some of the Redline, but a million other threads say don't use ANY FI cleaner in a SR20 FI system. I think the general consensus is not to use any FI cleaner at all. I'd love to use the Redline stuff if it's ok, but I haven't seen any threads saying it doesn't hurt the injectors.

I wouldn't spend $200 for cleaned 133k miles injectors when I could buy brand new OEM injectors for $340 (which is a rip also!). $200 seems unreasonable for cleaning 4 injectors. $40, yes.

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