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Thread: Help! Cleaned EGR now no power

  1. #1
    Regular Member Samdy Gray's Avatar
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    Default Help! Cleaned EGR now no power

    Please help me someone! I was suffering from loss of low down power (below 2000rpm) and had to P0400 fault code so decided to take the EGR off and clean it today.

    It was coked in soot which I cleaned off with the aid of some WD40. The pin for the solenoid was stuck about 3-4mm out.

    I tried the drill method and tried to punch out the solenoid but it didn't budge. The pin did budge and came out another 2-3 mm. I pushed it back in and it stayed as it was before, not sitting flush but about 3-4mm out.

    Put it all back together and took the car for a spin, now it's really struggling throughout the rev range. It's very lumpy below 2000 and now I can't feel the turbo kick in when it does finally hit 2000. When idling I can hear the turbo spinning up at 2000 revs.

    One thing I noticed was that if I gently press the throttle the revs will go up smoothly. If I try and floor it though, the engine struggles and just sounds like it going "rum-rum-rum-rum-rum" even though the throttle is steady.

    What the hell have I done???

  2. #2
    Regular Member Samdy Gray's Avatar
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    Forgot to say, there's no warning lights on.

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    check all hoses relating to the turbo, make sure no holes are steadily getting bigger. Ive had to change both mine with simlar running problems. rst time I went to trade club, flabbergasted at the price, I told him I wanted a piece of hose not a new turbo. Second time ased my neighbou to gt mea hose from one of the big diesel engines on the trains since he is a fitter for them. the pipe is approx 3 inches, impossible round my way to get a hose from accessory shops but Ive since heard normallya lorry accessory place stocks these hoses. dont think its the egr valve, freeing it off should have made it run better not worse. From past history Ive found when this happens Ive traced three holes in hoses and the air intake hose under the top cover was blown off, my own fault that one but we ll not dig to far

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    Oh ast ime when the hose blew of the air intake I also had no warning lights

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    Regular Member Samdy Gray's Avatar
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    Sorry to sound thick, but where are these hoses?

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    Regular Member alanv6's Avatar
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    Id say that EGR valve is knackered, if the soleoid plunger is still siezed it wont open and shut the EGR valve and cause flat spots etc..

  7. #7
    Regular Member Samdy Gray's Avatar
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    That's what I was thinking, the valve may be stuck in a different position to what it was before causing juddering under acceleration?

    One other thing that happened today, my undertray was dragging along the road as I turned into my street. I whacked it back on with a firm hand and tightened this screws, could I have dislodged anything from the underside of the engine?

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    Regular Member alanv6's Avatar
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    Wouldnt have thought so, You should be able to get the plunger out of the solenoid, after drilling the hole it should tap out then you can clean the plunger and it should be ok. I have had a few that are stuck fast butdo come out eventually. Failing that new one!!

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    have u reconnected cable to the egr ?

  10. #10
    Regular Member Samdy Gray's Avatar
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    Yes, first thing I checked!

    I'm convincing myself the EGR is fubar'd. It would be highly coincidental if some other part has failed at the same time I cleaned the EGR.

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