High idle, crappy fuel mileage. Solution?

5.0_GT_kid · May 21, 2009

This just started recently here in the last week or so. Car has been idling around 1000 rpms and the fuel mileage is in the crapper. What should I start checking so I can fix this problem. Mod list in sig is current.

Thanks in advance everyone.

HISSIN50 · May 21, 2009

Pull codes.

5.0_GT_kid · May 21, 2009

I'll see if I can track down someone with an OBD I scanner.

HISSIN50 · May 22, 2009

Or a paperclip.

5.0_GT_kid · May 22, 2009

HISSIN50 said:
Or a paperclip.

Paperclip?

HISSIN50 · May 22, 2009

See here

Note that our test connector is on the passenger firewall.

Chern_889 · May 22, 2009

Use this

With this
Checking your Ford Mustang computer codes

PS:Those connectors are located on the pass side in the engine bay, between the shock tower and firewall

5.0_GT_kid · May 22, 2009

Thanks for the info guys!

High idle, crappy fuel mileage. Solution?

5.0_GT_kid

HISSIN50

"How long does it take to get help in here?

5.0_GT_kid

HISSIN50

"How long does it take to get help in here?

5.0_GT_kid

HISSIN50

"How long does it take to get help in here?

Chern_889

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5.0_GT_kid

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