98 Pontiac Grand Prix
 

I just got a new engine put in and the engine light keeps coming on. The
last time it kept coming on it the shop kept resetting the lite but within
5 weeks the engine blew a hole or rod out it. I just want to avoid the
same thing happening to this engine. The cooling system has already been
replaced such as: radiator, water pump, hoses, oxygen sensors (both of
them. Any suggestions?

What lite comes on, pray tell?, if it is the check engine have it scanned
and post back the results, how could we possibly know what " a lite" coming
on is?
"Tripn" > wrote in message
lkaboutautos.com...
>I just got a new engine put in and the engine light keeps coming on. The
> last time it kept coming on it the shop kept resetting the lite but within
> 5 weeks the engine blew a hole or rod out it. I just want to avoid the
> same thing happening to this engine. The cooling system has already been
> replaced such as: radiator, water pump, hoses, oxygen sensors (both of
> them. Any suggestions?
>
>



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from reading this newsgroup it seems that you may need to hook your car
up to a diagnostic scanner to get the error codes.

The mechanic that did your new engine should be able to do it. The
codes will tell what the symptoms are.

Shep wrote:
> What lite comes on, pray tell?, if it is the check engine have it scanned
> and post back the results, how could we possibly know what " a lite" coming
> on is?

"I just got a new engine put in and the engine light keeps coming on."

If you are driving around with the red overheat light on you probably
will be needing a new engine. A new radiator and pump won't help much
with no coolant onboard.

"check engine lite"

I just left there and the code is and has always been DTC P0420. THANKS,
LORI

I am not driving with the lite on.... thats just it.. I picked it up from
the shop after just getting a new engine and 2 minutes later the "check
engine lite" came back on.
Thanks, Lori

OK, what is the code?
"Tripn" > wrote in message
lkaboutautos.com...
> "check engine lite"
>
>



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P0420 is catylyst effiicency, which can be caused by too lean a mixture, bad
cat, bad sensors, this code requires extensive diagnosis to pinpoint.
"Tripn" > wrote in message
lkaboutautos.com...
>I am not driving with the lite on.... thats just it.. I picked it up from
> the shop after just getting a new engine and 2 minutes later the "check
> engine lite" came back on.
> Thanks, Lori
>
>



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