P1046 CODE ALONG WITH p307 CODE REPLACED COIL PAC ON EUMBER 7 CYLINDER ENGINE SPUTTERS AND SHAKES WHILLE DRIVIG 40 TO50 MPH WHAT IS TPROBLEM AND WHERE IS DITHLOCATTED ALS THI IS A 1998FORD F150 WITH 504TITAN ENGINE[enter link description here
Hi there,
P1406 indicates an issue with the DPFE sensor. Here is some info for you.
P1406 FORD - DPFE Sensor Circuit Downstream Hose Read more: https://www.autocodes.com/p1406_ford.html
P0307 indicates a misfire on cylinder 7. Here is a list of possible causes.
P0307 FORD - Cylinder 7 Misfire Detected Read more: https://www.autocodes.com/p0307_ford.html
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