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2006 ford f250 5.4l excessive white & blue smoke

Had a broken spk plug. The head was removed /head gasket job performed. The truck ran well for a week and started running rough at idling with d rpm at 1000. Poor acceleration from rest with a spurtering sound then picks up after awhile. And start excessive smooking while u accelerate. However, it picks speed tight away until u come to stop and its hard to move again repeating d former as earlier stated. Pls help.

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: 1989 chevy 350 automatic, white smoke

white smoke is antifreeze try checking the compression

Posted on Nov 08, 2008

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SOURCE: stalls and wont idle when cold

Re the trooper. You have a couple of possibles. The most likely is the glowplugs or glowplug relay. Don't be fooled into thinking glow plugs only heat to start - the also do whats called postheat. That is to raise the cylinder temp until the block is warm. IF they are not functioning (clip a light onto one whilst switching the glowplug on to test the relay) this is common.
Most likely is a stuck EGR valve - stuck open so running a very lean mix when cold. Its two bolts on the inlet manifold, pulls out and looks covered in soot - it should push in and spring out. Can be cleaned in petrol or alcohol or with compressed air.
More remote is possible you have a faulty injector...only really testable by an engine centre...

Posted on Jan 26, 2009

  • 195 Answers

SOURCE: white smoke from exhaust

Hello;
The white smoke is from coolant entering the combustion chamber(s). Coolant can enter through the water passages sealed bu the head gasket. You have probably blown a head gasket. You should check your coolant level. You may have acracked head if you continue to drive it and overheat. The temp gauge only reads when exposed to coolant, not air. Take out thhe spark plugs and look them over. A white glossy apperance will indicate water in the combustion chamber. You may need to surface the head once you have it removed so that it is flat. Hope this helps.
Thanks;
Rich
RPM Northwest

Posted on Apr 03, 2009

  • 1 Answer

SOURCE: I have 2002 audit quattro TT with 180k miles. When I do a normal acceleration the car surges and rpm drop but pick back up. If I accel hard it runs fine. Also at idle at times it varies 200 rpm like a

this sounds similar to a problem i had. as the rpm went over 2000 the engine would stop for a split second and then kick back in.
after a few days looking my garage finally found the problem was a faulty air mass meter.
this cost me £200 in total to be repaired.

Posted on May 31, 2009

  • 11 Answers

SOURCE: 1995 GMC Safari Loses Power when accelerating hard, rough idle

your egr valve might be faulty bring it in to the auto parts to have it check out what your looking for is the 32 code on the OBD II scanner.

Posted on Sep 04, 2009

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