Hi everyone,
new to this forum I have a 1994 C4 with about 150k miles.

Can any tell me what this lights means when in the cooling digital display the cooling temp will show and then every 1 minute it will switch off and on showing the word sys.

I can also smell order of antifreeze but see no leaks can you tell me what is going on Im running temps at high 225 have tried new thermistat and have recently had headgasket replaced none of these help bring down the temp I have heard that this is normal is that true.

:willy_nilly:

Hi everyone,
new to this forum I have a 1994 C4 with about 150k miles.

Can any tell me what this lights means when in the cooling digital display the cooling temp will show and then every 1 minute it will switch off and on showing the word sys.

I can also smell order of antifreeze but see no leaks can you tell me what is going on Im running temps at high 225 have tried new thermistat and have recently had headgasket replaced none of these help bring down the temp I have heard that this is normal is that true.

:willy_nilly:


Get your radiator flushed or replace it with new or larger one. I bet your radiator is clogged up. :cheers:

I had a 94....you heat temps are NOT normal. I agree with Old Guy, sounds like the radiator could be pluged.

Hi everyone,
new to this forum I have a 1994 C4 with about 150k miles.

Can any tell me what this lights means when in the cooling digital display the cooling temp will show and then every 1 minute it will switch off and on showing the word sys.

I can also smell order of antifreeze but see no leaks can you tell me what is going on Im running temps at high 225 have tried new thermistat and have recently had headgasket replaced none of these help bring down the temp I have heard that this is normal is that true.

:willy_nilly:
my owners man said sys is elect problem my 94 did it & it was lose bat cable 225 isto high mine after new rad is 205 city 180 hwy

My Vette Runs At Between 180 And 195 This Is Normal, Check Your Radiator Lioke The Other Guy Said. Also Have Your System Flushed

:iagree:
A good radiator flush would be the first course of action.