yes yet another idle ?
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Joined: Oct 2004
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yes yet another idle ?
I HAVE A 97 F 250 WITH A 5.8. I HAVE ONLY HAD IT FOR A MONTH SO DON'T KNOW ANY HISTORY ABOUT IT. ANYWAY WHEN I GOT IT IT IDLED ROUGH WHEN COLD THEN SMOOTHER WHEN HOT SO REPLACED THE SPARKS(BOSCH PLATINUM +4) AND WIRES, STILL ROUGH REPLACED O2 SENSOR AIR FILTER, STILL ROUGH. THEN I NOTICED THE RIGHT EXHAUST MANIFOLD WAS CRACKED REPLACED THAT AND FIXED THE EGR TUBE THAT RUNS FROM THE MANIFOLD TO THE VALVE. NOW IT SEEMS TO RUN ROUGHER THEN BEFORE, COULD BE MY IMAGINATION, I PUT A VACUUM GAGE ON TO SEE IF IT SHOWED A BURNT VALVE BUT THE NEEDLE IS SOLID AS A ROCK AT 21 HG. SO DON'T KNOW WHAT TO DO NEXT. ONE MORE THING IT HAS 190,000 ON IT BUT STILL IN GOOD SHAPE.
