1991 Ford Probe Code 538 No Start

1991 FORD PROBE

JBENSON7473

MEMBER
1 POST

i have a probe that i just got ran fine now 3 days later it doesnt want to start or stay started engine light comes on got code 538 when check eng light on car idles fine when check eng light goes out it idles to 2 seems to want to start cold now when it starts wont stay running when i put it in gear please help thanks

Feb 23, 2007 at 2:42 PM

CHEVY22

✓Experienced Mechanic
1,375 POSTS

code 538 is eca failure , try this turn key to run and depress gas pedal all of the way for about 20 seconds and retest is code 538 or 77 shows back up replace eca (the computer ) it is located behind the instrument panel forward of the center console near the floor

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thanks
jim

Feb 23, 2007 at 2:55 PM

Suggested Repair

Code 538 indicates an ECA (engine computer) failure. Turn the key to run and hold the accelerator fully down for about 20 seconds, then retest. If code 538 or 77 returns, replace the ECA, located behind the instrument panel forward of the center console near the floor.

Conversation Summary

A 1991 Ford Probe that recently ran fine now will not start or stay running, especially in gear, and the check engine light sets code 538. It idles normally with the light on but idles high when the light goes out. The expert identified code 538 as an ECA failure and advised a key-on, full-pedal retest; if code 538 or 77 returns, replace the computer behind the instrument panel near the floor.

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1991 Ford Probe Code 538 No Start

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