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1993 Ford Ranger Splash Flareside 108 WB

1993 Ford Ranger
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August 14, 2012, 8:13 am

Robert Y
 

Question: Occasional Hesitation

The engine feels like it is bogging down when first started. Goes away after a few minutes of warming up. Does this about 25% of the time

No engine codes but mode $6 says

TID:$10 CID:$21- Max: 48
Test result value: 65,535 FAIL

TID:$41 CID:$11- Min: 64,640
Test result value: 2,377 FAIL

TID:$41 CID:$12- Max: 896
Test result value: 2,377 FAIL




August 17, 2012, 5:35 pm

Elizabeth K
Expert Mechanic

Mode $06 info is in hexadecimal and hard to read without the interpretative charts (or a high-end scan tool). But it's noteworthy that the ECM has detected a problem without setting a code, it's not consistent and only happens when cold.

So you'll need to have to look at it with a nice scanner (and someone who knows how to interpret live data). But first, it's worth it to clean the MAF, clean the throttle body and check for vacuum leaks. Then test the MAF and TPS. And when was the last time the plugs were replaced? Anything near 100k should be replaced.


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