Akseone Posted June 3, 2021 Share Posted June 3, 2021 Hi all First time post, as usual with most First time posting its because I have issue with a ST250 from 2013. Now I have had a inkling something is wrong with the car for about a year. when I first had my suspicions it was idling over 1k revs. but no check engine light and 3 mechanics said it was ok and not to worry. Fast forward to a random check engine light a few months ago. Comes up with MAF/MAP System to Lean issues according to the breakdown service. Take it to a mechanic and the light is gone and he says it is fine probably a dirty sensor. Recently when idling it revs to 1500-2000 rpm randomly drops to 500 and then back up again, CHEWS through fuel and sometimes stalls. The check engine light comes on and then after a week goes off again. It is driving me insane. One mechanic I trust but he is a ***** to get to do anything, The other told me just to remap the problem out and it could be a motor to control an intake valve and the third (a well known ford tuner in the uk) said to buy a error reader and sort myself basically. Not really inclined to listen to the dude who told me to map it out. I also don't want to buy a error reader just to fix something myself. Can anyone please shed some light on what it could possibly be? Quote Link to comment Share on other sites More sharing options...
Luke4efc Posted June 3, 2021 Share Posted June 3, 2021 Have you got an aftermarket intake/air filter fitted? However, if you're not willing to spend £15 on an obd2 scanner then you may aswell just take it to an ST specialist and let them deal with it. A code reader is pretty essential to fix modern cars, especially a decent one like Forscan. 2 Quote Link to comment Share on other sites More sharing options...
Akseone Posted June 3, 2021 Author Share Posted June 3, 2021 57 minutes ago, Luke4efc said: Have you got an aftermarket intake/air filter fitted? However, if you're not willing to spend £15 on an obd2 scanner then you may aswell just take it to an ST specialist and let them deal with it. A code reader is pretty essential to fix modern cars, especially a decent one like Forscan. No aftermarket parts at all, Here’s me thinking the scanners where hundreds of pounds. I shall go and get one for sure ! Quote Link to comment Share on other sites More sharing options...
Luke4efc Posted June 4, 2021 Share Posted June 4, 2021 6 hours ago, Akseone said: No aftermarket parts at all, Here’s me thinking the scanners where hundreds of pounds. I shall go and get one for sure ! We recommend a modified Elm327 and Forscan on a laptop. 2 Quote Link to comment Share on other sites More sharing options...
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