CUSTOMER STATES TAKE LONG TIME TO HEAT UP. TAKE 2 HOURS TO HEAT UP. GAUGE WON'T MOVE. GOT UP TO 217 THEN WENT DOWN TO 150.
OIL AND FILTER CHANGE
PERFORMED DIAG AND VEH HAD CODES P013B (O2 SENSOR 1/2 SLOW RESPONSE), P014D (O2 SENSOR 21/2 SLOW RESPONSE), P0226C (TURBO BOOST CONTROL SLOW RESPONSE), P049D (EGR CONTROL POS EXCEED LEARNING LIMIT), P0128 (THERMOSTAT RATIONALITY). CODES CAUSED BY ENGINE NOT GETTING UP TO NORMAL OPERATING TEMP. REPLACED THERMOSTAT, CLEARED CODES AND TEST DROVE VEHICLE. CODED DID NOT COME BACK. GOOD AT THIS TIME.