it will go off for a couple of reasons....
1) oil level too low
2) coolant level - the sensor is at the top of the radiator and with flow and pressure from driving it will go off but at idle the coolant will not hit the sensor. Add coolant!
3) at redline
still night racing that 87 na??
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'15 Juke Nismo
'06 MX-5 GT SOLD
'04 S Silver RX-8 GT Track Day Use SOLD
'90 Black TII vert w/ Sprint RE stock port/turbo DD dyno (242.6whp@5500rpm @12psi 8psi@redline) and (250ftlbtq@4800rpm @13psi) SOLD
'89 GTUs 6p TII SOLD, '87 sport SOLD, '79 SA stock SOLD
'91 B2600i 4x4 w/ Rx-8 LSD SOLD
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