[s-cars] MTM/CMP sensor
Chad Hall
outex at charter.net
Fri Jul 19 15:15:46 EDT 2002
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I've had the MTM ecu installed since Wednesday and I am still having cam po=
sition sensor problems. From what I can gather so far, I miss my TAP ecu f=
rom before mainly because of the torque I gave up. The MTM is stronger on =
top but I'm still getting cam position codes so I am unable to run thru the=
gears, only one gear at a time before it retards and knocks boost down to =
11 psi. I have run both the stock w/g spring and the stiffer TAP screwed a=
ll the way down (saw 27 psi). Before I installed the new ecu, I changed my=
original cam position sensor to a good conditioned, used one from Rod. Af=
ter the MTM addition I installed a brand new cmp sensor. All tripped the s=
ame code: Cam Position Sensor. Someone on the list mentioned that it may =
be in the connection under the fuel rail cover. I've replaced the lower ho=
se with Samco but not the upper yet. It doesn't feel like a mechanical boo=
st reduction like a failed hose, more like ecu shutting down the fun electr=
onically. When car is in any gear, full throttle will give full boost, then=
shut down, then full boost, then shut down, all while still in the one gea=
r=2E I've replaced the plugs, plug wires, bypass valve, frequency valve, p=
ower stage (one), replaced exhaust with twin 2.5" pipes straight to Flowmas=
ter (I know, BLASPHEMY!!), both the Audi dealer and my VAG/COM system showe=
d cam position sensor still. Any ideas?
Thanks,
Chad Hall
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