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Citroen C3 misfire MM48P
12-03-2022, 23:39 PM, (This post was last modified: 13-03-2022, 01:22 AM by Clusters.)
Post: #1
PCitroen  Citroen C3 misfire MM48P
HI

So I have C3 1.1 engine with MM48P ECU. While idling it seems mostly fine, there is little movement on RPM scale (Lexia shows 800-832RPM). Issue is when I try to accelerate - it seems that there is misfire, car doesn't have power.

I did read error codes there are P0262 and P0271 in Lexia, on other errors only text labels of this errors. 
Plugs are new, coil is also new, compression on all cylinders is fine.

any ideas what to check on this one?
Here are screenshots of all errors


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10-04-2022, 20:32 PM,
Post: #2
RE: Citroen C3 misfire MM48P
Hi,
dont know if this is still vaild.
There is a information bulletin from Citroen Support for 1.1 and 1.4 engines.
Problems: not stable idle, lack of power and engine went of wenn accelerate from idle.
To solve the prob.: Capaciter to Connector 4 from the igniton coil (at the problem-cylinder), in your case cylinder 4 (maybe also 1) against Ground.
Citroen Partnumer: 6555.K9
HTH
Sorry for my english.
Regards
Rudi


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