Runs as if it is running out of gas?

RICHARD Q

MEMBER
1989 MAZDA B2200
2.2L
4 CYL
2WD
AUTOMATIC
160,387 MILES

Truck will be running fine. Then it will run as if it's running out of gas. So, I will add gas but then I can only put 3 gallons. Why is it running like it running out of gas after 3 gallons low from a full tank?

Tuesday, October 29th, 2024 AT 6:11 PM

3 Replies

KEN L

MASTER CERTIFIED MECHANIC
47,612 POSTS

You probably have a fuel pump that is going out, also I would replace any lines that are dry or cranked which should take care of the problem. Here is how to replace the fuel pump. Check out the images (below). Please let us know what happens.

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Wednesday, October 30th, 2024 AT 1:32 PM

RICHARD Q

MEMBER
2 POSTS

My fuel pump is not more than a year old.

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Wednesday, October 30th, 2024 AT 1:55 PM

KEN L

MASTER CERTIFIED MECHANIC
47,612 POSTS

Okay, another thought is the exhaust system can be clogged up. I would remove the oxygen sensor and take it for a short drive to see if anything changes. Here is a guide that can help:

https://www.2carpros.com/articles/how-to-test-a-catalytic-converter

Please go over this guide and get back to us.

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Thursday, October 31st, 2024 AT 12:47 PM