Express, Savana & G-Series Vans Offered in both a full size van, or a large box truck, the Express is the modern GM workhorse.

Chevrolet Express

Platform: GMT Van

2005 Express With 430,000 miles

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Oct 1, 2018 | 1:46 AM

#11

mountainmanjoe

Super Moderator

Joined: Feb 2017

Posts: 6,207

Likes: 689

Some trouble codes do clear themselves, after a set distance. But yeah, better just to use a scanner.

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Oct 1, 2018 | 1:16 PM

#12

LCAC_Man

CF Junior Member

Joined: Aug 2018

Posts: 91

Likes: 0

Quote:

Originally Posted by ChevyVanMan

Plugged cat system maybe.
Ken

It does sound like plugged cat converters...at 430k if you never changed them they for sure would be due..

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