What causes the engine to lag between 20 - 40 mph?

Asked by bmd3 Nov 17, 2013 at 08:20 PM about the 1998 Lincoln Navigator

Question type: Maintenance & Repair

5.4L engine, with 149,000 miles. The check engine light is on. The code is p1000. The truck gets up to speed over time.

3 Answers
48,605

kbro answered 10 years ago

p1000 is nothing. it sets when the codes have been cleared and simply means the obd drive cycle checks have not been completed.

Mark helpful
48,605

kbro answered 10 years ago

p1000 will not set the light. there are other codes causing the light. you need to find out what they are.

Mark helpful

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