chadwick_90

Hey I have a lumina that does not start when it is warm but when it is cold it starts fine. Ive been told it could be the starter, the ICM, the ECM or the cam position sensor. What would be the cost to have these replaced?

richtazz

The 90-93 vin-T V-6's don't have a cam sensor, but they do have a crank position sensor that causes a no-start. It sounds like you got some bogus info, as there is no way a starter and an ICM would cause the same symptom.

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chadwick_90

alright so what are the symptoms of a bad icm and what are the symptoms of a bad starter???

maxwedge

Bad icm, the engine cranks fine but will not fire, a bad starter will crank very slowly or not crank at all.

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chadwick_90

does this sound like its the ICM. When the engine is cold or after its been sitting a while it starts fine on the first turn of the key. When the engine is warmed up and I shut it off then try to restart it doesnt turn over it just cranks. I wait for like 20 minutes then it start fine. Does that sound like ICM?

chadwick_90

if it is ICM how much is that to be replaced???

Mediaman67

ICM - Yup - very certain... see my other post to verify. if you have someone do it, it should only be 1/2 labor, plus the part - it's right under the coil packs, depending on the engine you have, etc...

if they charge you an hour's labor, that would be high... not much more to it than doing a tune up though...