Please Help !!!!!!!!!!!!!!!!!!!!!

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May 22, 2008 | 10:17 AM

idealwheels

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2nd Gear

Joined: May 2008

Posts: 2

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Please Help !!!!!!!!!!!!!!!!!!!!!

DOES ANYONE KNOW WHAT THE OHM READING SUPPOSE TO BE FOR THE FUEL INJECTERS ON A 89 CORVETTE?

May 22, 2008 | 10:33 AM

gw962

Racer

Joined: Jan 2007

Posts: 274

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From: Muskogee OK

Stock MulTecs should be 16.0 ohms +/- .5

May 23, 2008 | 03:22 AM

RetroTA

Racer

Joined: Jul 2006

Posts: 306

Likes: 1

From: StLouis, 93 Vert LT1

Quote:

Originally Posted by gw962

Stock MulTecs should be 16.0 ohms +/- .5

But, when I had my 89 the injectors ohm'ed out at 12 ohms each and it ran fine. I was told my a chevy tech that this was ok as long as their all within a 1/2 ohm of each other?

May 25, 2008 | 01:00 AM

Sam Lam

Melting Slicks

Joined: Apr 2002

Posts: 2,118

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From: St. Charles, MO Route 66 Corvette Club

I think the factory specs for 89 thru 91 GM Multecs are 16.5 +/- .3 ohms. The resistance will increase as the injectors warms up. Low reading are an indication that the injector coil windings are starting to short out. Be very careful running the car when you have single digit injector resisance. This injector will draw additional current and can damage the injector drivers in the ECM.

May 25, 2008 | 01:10 AM

Sam Lam

Melting Slicks

Joined: Apr 2002

Posts: 2,118

Likes: 0

From: St. Charles, MO Route 66 Corvette Club

Quote:

Originally Posted by RetroTA

But, when I had my 89 the injectors ohm'ed out at 12 ohms each and it ran fine. I was told my a chevy tech that this was ok as long as their all within a 1/2 ohm of each other?

It sounds like someone has already replaced your original Multec injectors as all appear to have the same resistance level.

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