Buick Trouble Codes

Can You Help Me With Which Direction I Should Go? My Freeze Frames Read: Fuelsysa- Cl Load_pct- 23.1 Ect (c°)- 39 Shrtft% 0.8 ...

I Have A P0300 Trouble Code With Flashing Check Engine Light And Engine Misfiring Badly.

Performed All Egr Tests. Still Getting P0404. Same Test Results On Three Different Units-2 Used, 1 Brand New. Results As Follows,(no...

I Have A Code Of Po113, Bank 1 And My Car Misfires Like When I Drive The The Car With The Air Conditioner On? Does The Pump Have A Filter In...

Check Engine Code P0420.

Random Misfire.

While Driving With The Rpms Around 2000 The Car Will Jerk And Drop To 1500 Rpm Then Back To 2000. It Does This Repeatedly, And Upon Heavy...

I Have The Car Listed Above Custom Model. The Transmission Is Not Shifting Right. It Will Go Into Gear To Drive But While Driving Down The...

I Have This Dtc, Because The Owner Try To Change The Radio But Make A Shortcut, The Pcm Was Damged, Change The Pcm But It's For A Fwd, And...

I Don't Know Much About Cars, Or The Symptoms Of Anything Faulty, So I'm Hoping Someone With More Expertise Can Take All The Info And Give...