Saturn Sl1 P1721 Engine Trouble Code

Saturn Sl1 P1721 if your catalytic convertor fails completely, you eventually won't be able to keep the car running. Your gas mileage will also be terrible, so you should try and fix it as soon as you can. Unfortunately, the average replacement cost is around $2,000 and you can't do it yourself unless you're an experienced mechanic.

Saturn Sl1 P1721 Code Meaning :

When you check Saturn Sl1 car engine light came on code P1721 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However Saturn manufacturer may have a different definition for the P1721 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P1721 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P1721 engine trouble code is about Exhaust Gas Recirculation Sensor B Circuit High.

Reason For P1721 Code

The reason of P1721 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

P1721 code on vehicles with electronically controlled automatic transmissions, the 3-4 shift solenoid is responsible for actuating the hydraulic circuits to activate clutches or bands that change gears inside the automatic transmission.

P1720 Previous Engine Trouble Code For Saturn Sl1

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