Car trouble.

Asked by seenbigfootonce Mar 08, 2015 at 09:33 PM about the 1999 Chevrolet Lumina LS Sedan FWD

Question type: Maintenance & Repair

99 lumina. Car idles great. When reaches
norm temp. It bogs badly. It will drive when
it's cold, 20 to 30 min. Later bogs. So far
I've replaced fuel filter,  plugs and wires,  
new batt. Hooked it to a computer. No
codes popped up. Gas was good, o2 as
well. Fuel pressure was good. This is head
scratcher. HELP.

1 Answer
335

nonolabs answered 9 years ago

Get a scanner that records live data. They are about $200 on amazon. Run the car and note the usual readings (there's a lot). Then drive the 20 minutes and when the issue happens pull over and read the live data to see what is going on that time. This will point you to the issue.

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