Van misfiring after warmed up

DADDYMIKAL90

MEMBER
1997 NISSAN QUEST
3.3L
6 CYL
FWD
AUTOMATIC
150,000 MILES

My van likes to misfire only after its warmed up. Doesnt have a problem starting. Check engine light is on. Have changed spark plug wires, spark plugs, ignition coil, fuel filter, air filter and krankshaft sensor. Still misfiring.

Saturday, January 30th, 2016 AT 2:57 PM

5 Replies

WRENCHTECH

MECHANIC
20,761 POSTS

What are the codes numbers being set?

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Saturday, January 30th, 2016 AT 4:42 PM

DADDYMIKAL90

MEMBER
4 POSTS

When I put it on a tester, it reads codes for knock sensor and maf sensor. Last week the crankshaft sensor read bad. Changed it and still just as bad at misfiring. Took my maf sensor out. It's practically bran new with no signs of damage

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Saturday, January 30th, 2016 AT 6:40 PM

WRENCHTECH

MECHANIC
20,761 POSTS

I need the code numbers not a description. What codes are resetting now?

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Saturday, January 30th, 2016 AT 6:44 PM

DADDYMIKAL90

MEMBER
4 POSTS

I took it to O'Reillys to get the rest. I don't have specific numbers. Just know that it's show up maf sensor and knock sensor. I had two separate codes for the maf sensor

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Saturday, January 30th, 2016 AT 7:09 PM

WRENCHTECH

MECHANIC
20,761 POSTS

We need to know what is going on with the car now so the codes needs to be cleared and then the car driven until it sets the codes again and then get the numbers.