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Clifton B.
Clifton B., ASE Master Auto Tech
Category: Nissan
Satisfied Customers: 3780
Experience:  ASE Master Certified Tech, Nissan Master Certified Tech, 12 yrs. experience in auto repair.
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2001 nisan sentra 1.

Resolved Question:

2001 nisan sentra 1.8 engine not firing on #1 cyl replaced coil pack,sparkplug,injector,has 120-150 lbs compresson help
Submitted: 7 years ago.
Category: Nissan
Expert:  Clifton B. replied 7 years ago.
hi do you have a constant misfire or do it go away after some time   and do you know if it is a lock of fuel or sparks causing the mis
Customer: replied 7 years ago.
no spark at all
Expert:  Clifton B. replied 7 years ago.
on just cylinder number one
Customer: replied 7 years ago.

yes just cyl 1


Customer: replied 7 years ago.
good compresson,no spark,injectors work tested them with my mac tool
Customer: replied 7 years ago.
has power to the plug in on top of the coilpack too
Expert:  Clifton B. replied 7 years ago.
ok you will have to check for power and ground to the wires at the coils
Customer: replied 7 years ago.
it has power and ground on the coils
Expert:  Clifton B. replied 7 years ago.
how about the signal from the ecm.
Customer: replied 7 years ago.
how do u check that i took the ecm to have it rebuilt they said it was ok
Expert:  Clifton B. replied 7 years ago.
check for power at the brown wire at the coil when turning the key i think you have A bad ecm you have power and ground and the coil is new there is nothing els but the ecm i have seen the circuit inside the ecm open and cause a misfire on this model i think you may will need to replace it
Customer: replied 7 years ago.



Expert:  Clifton B. replied 7 years ago.
if this have help please press the accept button if you have more question please ask .
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