Questions & Answers for: Chevrolet test

wont complete scan to pass emission test my 1996 chevy blazer 4.3 wont go thru emmision test no check engine light and when the test place or myself scan vehicle keeps saying readiness test not ready ...

my 1991 Chevy lumina 4 door sedan keeps failing smog cause of the fuel evap test how can i diagnose the problem my self without spending all kinds of money. also where can i find a diagram of the evap

...a battery drainage problem when it sits all night,i had the charging system checked and it was ok.I tested all the fuse's with a tester with the key off,and more then half the fuses lit up the ...

...was pulled in a 1996 Chevy Monte Carlo. What would the fix be for this code? I ran an O2 sensor test and all banks passed. I then ran an On-board monitor test. Two tests failed: Test 04 data, ...

...inspect the Climate Control and the Blower Motor Resister. Locate and remove the resister and test. You are looking for power at the plug (going to the resister). One wire will always be hot ...

...Ground for the left headlamp is provided at G101 and the right headlamp at G100. Low Beam Relay Test Ignition OFF, disconnect the C2 harness connector at the underhood fuse block. Connect a test ...

...the horn relay by applying ground to the relay control circuit to the relay. Circuit/System Testing With a test lamp connected to ground, probe each of the test points on the HORN fuse while ...

...block and accessory voltage from the body control module (BCM). Do you know how to do electrical testing ? WDA/Z88 Ignition OFF, disconnect the harness connector X1 at the multifunction switch. ...

Important: Because of the accessibility of the sunroof switch, perform the sunroof switch component test before beginning the Circuit/System Testing. Power Sunroof Malfunction Ignition OFF, disconnect

...MAYBE RELAY OR HEADLIGHT SWITCH. You need to know how they work before you go replacing part's . Test at the relay , is there B+ voltage on one side of the control coil of relay ? Is the BCM ...