E150 Check Engine Light

1915 FORD F-150
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CM1
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I have a 88 E150 van and the check engine light come son under a load but doesn't when idling.
Any suggestions would be appreciated
Jan 15, 2006 at 6:50 PM

What to check next

Diagnostic guidance. Suggested checks and possible repairs are separate from the owner's reported results.

Have the intermittent warning diagnosed under the conditions that bring it on. Provide the earlier code if available and ask for testing of the EGR system before authorizing replacement.

Guidance references and applicability

Source: Original question and visible replies. Owner reports and other participants' experiences are distinguished. Next steps are editorial guidance for obtaining diagnosis or clarifying the reported findings; they are not a verified repair procedure or an independently confirmed component diagnosis.

Read the replies · Discussion summary and reported outcome

AI-ASSISTED GUIDANCE · REVIEWED BY 2CARPROS
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DUDE
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get old style code reader and seeif anything on computer
Is intake air filter clean
Jan 16, 2006 at 5:34 AM
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CM1
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I have the old style code reader and at one time a few months ago,it showed that there may be something wrong with the EGR so I cleaned the EGR and now nothing shows up, also I have a new air filter installed every time that I have the oil changed (every three months), I purchased this van new in 88 and only have 47,000 miles on it. maybe it doesn't get ran enough.
Thanks for the reply
Jan 16, 2006 at 8:15 AM
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DUDE
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how about having egr tested by auto parts store to see if its borderline good only ?
Jan 17, 2006 at 1:13 AM

Discussion summary

E150 Check Engine Light

A 1988 Ford E-150 illuminated its check-engine light under load but not at idle. The owner had previously obtained an EGR-related indication, cleaned the EGR valve and later found no codes with the available reader.

Reported outcome: No confirmed cause or successful repair was reported.

The exact earlier code and EGR test results were not supplied. Cleaning the valve and finding no later code did not establish why the warning returned under load.

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AI-ASSISTED SUMMARY · REVIEWED BY 2CARPROS
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