fuel injection cleaning

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May 11, 2005 | 12:23 PM

mjfox

Thread Starter

Racer

Joined: Aug 2002

Posts: 405

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From: hamilton ontario

fuel injection cleaning

Any one know how to disable the fuel pump easily to perform a fuel injection cleaning

Thanks Mike

May 11, 2005 | 12:32 PM

65Z01

Team Owner

Joined: Dec 2000

Posts: 90,675

Likes: 304

From: SE NY

Cruise-In II Veteran

Pull the FP fuse.

If the injectors are on an L98 it is not recommended to use harsh cleaners through the injectors as they can attack the coil windings.

May 11, 2005 | 12:41 PM

ZumZum

Race Director

Joined: Nov 2004

Posts: 14,153

Likes: 142

From: Central Il

Quote:

Originally Posted by mjfox

Any one know how to disable the fuel pump easily to perform a fuel injection cleaning

Thanks Mike

Pull the fuse, then start the car and let it run until it dies. Then crank the motor just a little more to be sure you have all the pressure out of the fuel line.

May 11, 2005 | 06:03 PM

skybolt31

Drifting

Joined: Dec 2003

Posts: 1,491

Likes: 94

From: Westfield MA

Quote:

Originally Posted by 65Z01

Pull the FP fuse.

If the injectors are on an L98 it is not recommended to use harsh cleaners through the injectors as they can attack the coil windings.

Does anyone know what cleaners to avoid? I have an 86 and I have the hose and adaptor sold by Ecklers. In their catalog, they sell a 3M cleaner, #08912, I looked at the 3M web site and they have two cleaners in a can, #08956 and #08955. I am not sure what the differences between them are. Anyone try these?

May 12, 2005 | 12:53 AM

parafrog

Racer

Joined: Jan 2005

Posts: 476

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From: Tucson, AZ. L98-85 AUTO COUPE: 120k MILES: daily driver. SOUND OFF IF YOU'VE BEEN THERE. Ex-Jumpin' Junky-82nd Airborne-2/505 PIR: 1st ID-1/16th Inf: Recon Marine Retread. GOD BLESS GRUNTS.

Quote:

Originally Posted by skybolt31

strangely enough, i was just looking at a chevy tech bulletin last night(not sure of it's date but it was for the 85), and it said to use 95% gasoline and 5% gm top end cleaner--for what that's worth.

frog.