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Author C20LET Fault codes & intermittant running issue
Danny W
Organiser: East Midlands
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Registered: 14th Nov 05
Location: Northamptonshire
User status: Offline
25th Jan 14 at 15:17   View Garage View User's Profile U2U Member Reply With Quote

Righto, been having a few issues with the LET.
started off with the battery running flat, changed to a new one and worked fine for a week or so then noticed that had also gone flat.

checked the alternator and its charging the battery

this could only mean one thing, something was draining it, checked the connections throughout the engine cleaned them and re fitted, charged battery and tried again.

worked for a while but something was still draining it.

took the car for a drive, noticed the car stuttered on occasion as if it wanted to cut out & EML flashing up.

seemed to do it intermittently across the rev range on or off boost.

got the car home and found a loose earth from alternator to head, this was shorting causing it to stutter and flash up the eml.

replaced the earth, re tightened and made sure it has a good contact.
Car starts everytime now & drove well for about an hour.

now ive noticed its still stuttering and flashing the eml.

ive just flashed the codes, with the engine off i have:

12 - Start of sequence
31 - Crank sensor (engine not running)
48 - Battery Voltage low
73 - Air flow sensor Voltage Low

What do you guys reckon? could these be causing the problems? or are these codes flashed up due to my previous issue of a dodgy connection/earth


Smoke Grey 5 Door

EastMids Regional Events
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Registered: 7th Jul 09
Location: Essex
User status: Offline
25th Jan 14 at 19:47   View User's Profile U2U Member Reply With Quote

Clear codes and. Check again.

Juddering does sound like afm especially as you have a code for it.

Have you as stoke to check
All hoses for an air leak?

 
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