CRM Mitchell1 2021-08-17T22:01:37+00:002004 Chevrolet Suburban CRM Mitchell1 2021-08-17T22:01:37+00:00
- P0131 02 signal low B1S1 P0134 low 02 activity B1S1 P0171 lean bank 1 P0300 random misfire P1133 B1S1 insufficient switching B1S1 out of spec, intake gaskets have slight leak, left exhaust manifold has broken bolt and spark plugs have excessive milage and soot on them. Recommend replacing B1S1, spark plugs, intake gaskets, left exhaust manifold gasket and remove broken bolt.
- Removed and cleaned intake manifold. Replaced gaskets and torqued fasteners to specification.
- Replaced bank 1 sensor 1 oxygen sensor. Cleared codes and test drove vehicle.
- Replaced spark plugs and ignition wires. Inspected coils.
- Changed engine oil and filter. Checked and replenished all fluids. Checked and adjusted tire air pressure.
David L. gave our service a 5 star review on 8/16/2021