Engine management light- manifold problems
#1
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Engine management light- manifold problems
I have the engine management light on in my 2002 ST170
Had the snap-on machine report two faults
P0420 - Catalyst system operating outside range
P1518 - Intake Manifold Runner Control Solenoid Stuck Open
Has anyone else had this fault? Where is this manifold control solenoid? I'm assuming it has something to do with the variable tract length.
I'm also hoping the catalyst fault is just a knock on from the solenoid problem.
Any help appreciated
Had the snap-on machine report two faults
P0420 - Catalyst system operating outside range
P1518 - Intake Manifold Runner Control Solenoid Stuck Open
Has anyone else had this fault? Where is this manifold control solenoid? I'm assuming it has something to do with the variable tract length.
I'm also hoping the catalyst fault is just a knock on from the solenoid problem.
Any help appreciated
#2
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ok bit of an update, I've identified which part is the control solenoid, it's this silver box on the bulk head
When I first ran the engine it pulled the flap shut at idle and put the MIL on
Then I turned off the engine, disconnected the battery, had a brew, came back reconnected everything, fired her up and the light had gone out. went for a drive, upto temperature, light stayed off.
Turned off the car, waited 1 min, restarted, light came back on!
AGGHHHHHHHHHHHHH!!
What decides when to open/close these flaps? Is it something simple like a switch that could be at fault? Dont really want to have to buy a new valve thingy from ford, bet it's v. v. expensive.
When I first ran the engine it pulled the flap shut at idle and put the MIL on
Then I turned off the engine, disconnected the battery, had a brew, came back reconnected everything, fired her up and the light had gone out. went for a drive, upto temperature, light stayed off.
Turned off the car, waited 1 min, restarted, light came back on!
AGGHHHHHHHHHHHHH!!
What decides when to open/close these flaps? Is it something simple like a switch that could be at fault? Dont really want to have to buy a new valve thingy from ford, bet it's v. v. expensive.
#3
Hi mate I've also go an 01 st170 had same faults so i stripped the imrc box apart and there's some gears and cogs inside gave it a good clean with plenty of wd40 and it's been all good that was 6 months ago as for p0420 it was 02 sensor bout £30-50 for a new one hope this helps
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21-08-2015 06:47 AM