Question about 1998 Ford Escort

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Engine idle speed

Ford zetec 1400 petrol idle speed too fast how to bring it down to 800 rpm

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Sounds like you idle air control valve is starting to mess up. You can actually take this off and clean it with throttle body cleaner and it should help get your idle back to normal. As is sounds the idle air control valve controls how fast/slow your car idles. It is located on the throttle body normally held on with a couple of screws. The throttle body is where the air duct hose coming from the air filter box ends at the engine block. Here is a picture of what you are looking for: engine idle speed - a483326.jpg
Make sure that you clean the valve portion and not the electrical plug with the throttle body cleaner. Let it air dry or blow lightly with compressed air before putting it back on. Let me know if you have any more questions. Thanks for using FixYa!

Posted on Aug 01, 2009

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Posted on Jan 02, 2017

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iCON, you mean IKON< right?

HOT and cold engine,
Is hot idle speed RPM right near 800 and steady,not racing fast?

power loss, is the CEL lamp glowing running, yes,scan it.
post engine type exactly. one of these?
1.3 L I4 (petrol)
1.6 L I4 (petrol)
1.4 L I4 (diesel)
1.8 L I4 (diesel)

so its the first 2, as you said, coil, so its a GAS engine.
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my guess this engine, is MAP based, no MAF,
if so, then clean the nipple on the MAP sensors.
make sure its not clogged .
If the map works ,any air leaks cause fast idle. and FULL POWER>
so id bet the power loss is from low fuel pressures.
that is why i ask for WOT power up a hill, hot, got that.
if just tip-in power loss (recovers) that is a bad TPS.
the do wear out. easy, at 100k.

there are 2 EFI systems, which one yours has im clueless but can fix both , easy. (maf or map based) aka. air /speed density systems.

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