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olivia dacosta Posted on Jan 28, 2015
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What is codes po128 ,po440 and p1189 for a 2003 ponyiac grand am gt 3.4 liter and v6 engune?

Diagnostic codes what do they mean, for a Pontiac grand am 2003 v6 engine 3.4 liter codes po128 and po440 and p1189 shows up on diagnostic reading

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  • Posted on Jan 28, 2015
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Joined: Jun 08, 2009
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Oil pressure switch issue
Coolant temperature sensor issue
EVAP system issue
All different issues, so I suggest seeing a mechanic.

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Pontiac grand am I had a diagnostic reading at autozone for diagnostic codes po128,po440 and p1189 don't know what they mean for a 2003 Pontiac grand am gt 3.4 liter and v6 engine vehical
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PO128
P0128 is an insufficient coolant temp code. Which means the coolant temp is not coming up to full operating temperature fast enough or not at all. The fix for this is to replace the thermostat.

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Hello there! What all does a factory radio control on a 1999 Pontiac Grand Am GT V6 3.4 liter Coupe? Car has not run right since removing it with an aftermarket stereo.

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