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2003 Nissan Altima Repair Question


Topics covered: Sensor, Spark.
Mileage: 179,000 miles.

Asked on September 18, 2012

No start

2003 nissan altima p0340 code Replaced cam and crank sensor. P0340 code still exist. Will not start with new sensor.
Avatar Asked by tomabery

Answer

Replied on September 18, 2012

Did it start before you changed them?

Tiny Answered by saturntech9 (expert)
23,394 answers provided
Replied on September 18, 2012

Yes it was starting before. It won't start with either sensor now. starts and cuts immediately.

Tiny Response from tomabery
1 question asked
Replied on September 18, 2012

I dont see a adjustment on ethier sensor did you inspect the wires going to both sensors?Also do you have spark?

Tiny Answered by saturntech9 (expert)
23,394 answers provided

Replied on September 18, 2012

Yes the wires and connectors look fine. I did get it to start after multiple attempt. Runs fine when finally started, turn it off back to square one again. Checking for spark now.

Tiny Response from tomabery
1 question asked
Replied on September 18, 2012

Was it flooded?If it starts you know the spark is good.So if you clear the P0340 it will reset right away?

Tiny Answered by saturntech9 (expert)
23,394 answers provided
Replied on September 18, 2012

Do you have a multimeter to do some testing?

Tiny Answered by saturntech9 (expert)
23,394 answers provided

Replied on September 18, 2012

Apparently I have an intermitted problem. Further checking I noticed the spark is leaving during initial cranking.

Tiny Response from tomabery
1 question asked
Replied on September 18, 2012

I saw that message do you have a multimeter to do some testing

Tiny Answered by saturntech9 (expert)
23,394 answers provided
Replied on September 18, 2012

Yes I have a multimeter.

Tiny Response from tomabery
1 question asked
Replied on September 18, 2012

So the P0340 is a active code meaning when you clear it it comes right back?

Tiny Answered by saturntech9 (expert)
23,394 answers provided