1996 Chevy Impala P0200

TOOLING100

MEMBER
1996 CHEVROLET IMPALA
V8
2WD
MANUAL
100,000 MILES

Hi, first time user here. I have a 1996 Impala SS which has been modified with a T56 6-speed manual. It threw code P0200 on me yesterday while driving around 30 mph and shifting from 4th to 3rd (very light driving, nothing seemed to trigger the reason for throwing the code).

The car immediately ran like it was trying to get out of quicksand -- very rough, had to hit the gas to make it do much of anything, and would backfire close to 3000 RPM -- I was too scared to attempt to rev any higher. It limped home and is now parked in the garage.

Any ideas what's going on? Thank you in advance!

-- Evan

6 Replies

DOCFIXIT

MECHANIC
18,828 POSTS

Problem in injector driver circuit to start check fuses #5, 6, 9 in underhood box.

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Saturday, April 11th, 2009 AT 11:20 AM

TOOLING100

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4 POSTS

Thanks for replying! I checked the fuses as instructed and #6 is blown, #5 and #9 look fine. What next? Thanks!

-- Evan

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Saturday, April 11th, 2009 AT 2:16 PM

DOCFIXIT

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You say it still has same problem? Was code erased? If not do that and see if it resets

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Monday, April 13th, 2009 AT 4:10 PM

TOOLING100

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4 POSTS

I replaced fuse #6 and so far it's OK, but I'm nervous -- these things rarely just blow for no reason. What wiring does that fuse tie to, that I can go explore and see if anything's got an intermitant short? Thank you so much!

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Monday, April 13th, 2009 AT 4:19 PM

DOCFIXIT

MECHANIC
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1-4-6-7 injectors are powered by fuse #6. You could Ohm out and see if one is a little higher than the rest.
I would not be to concerned about a 13 yr old fuse blowing.