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-   -   Map sensor reading high at idle (https://www.miataturbo.net/megasquirt-18/map-sensor-reading-high-idle-65321/)

cowboys647 04-21-2012 11:47 AM

Map sensor reading high at idle
 
So my car was idling at around 29-30 kpa but last night while driving it started to idle at around 45kpa and when i gave it low throttle it would drop down to around the 30's then go up. I thought the map line might be kinked but its not.. Anyone?

cowboys647 04-21-2012 07:42 PM

Bump. Vacuum leak maybe? Ugh if I fix this last thing I can take it to the dyno!

triple88a 04-21-2012 08:10 PM

What rpm is the idle at? 45 is definitely an error, at 45 you should be at 5-6k rpm unless you got some serious loads on your engine. Whats the map say when the engine is off?

cowboys647 04-21-2012 08:28 PM

97ish kpa when the engine is off, then 45 at idle and at part throttle its at 35-40

triple88a 04-21-2012 08:34 PM

Well that doesn't make any sense.. part throttle is less than idle?

cowboys647 04-21-2012 08:47 PM

Thats exactly whats tripping me out!

Edit: Turned out to be a leaky boost gauge. Dont use Ebay boost gauges!


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