Starts then stalls. P0102 and P0340

PLACE ANY ISSUES RELATED TO HOW YOUR VAN RUNS. IF IT BOGS, HESITATES, BACKFIRES OR JUST PLAIN RUNS LIKE CRAP...THIS IS THE PLACE FOR IT!
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Topic author
Jawon
I am merely driving my van
I am merely driving my van
Posts: 1
Joined: Thu Jan 23, 2014 7:23 pm

Starts then stalls. P0102 and P0340

Post by Jawon »

1st post. Thx for all the great info. 1996 Safari 4.3L. Little auto repair experience, but I'm willing to learn and try.

SYMPTOMS:
- Van starts up fine, then 2-5 seconds later it stalls.
- If I rev for a few seconds, it keeps running, though idling seems a tad rough. Once it gets going, it runs fine.
- 2 codes. P0102 (mass airflow sensor) and P0340 (camshaft position sensor).

WHAT I'VE DONE SO FAR, NONE WORKED:
1. Visually checked MAF wiring and seals.
2. Cleaned MAF with MAF cleaner.
3. Replaced MAF (Delphi brand, couldn't find OEM).
4. Visually checked CPS wiring.
5. Replaced CPS (OEM AC/Delco).
6. Replaced distributor and rotor (since I was already looking at CPS and it's been awhile).

MY NEXT STEP:
1. Probably should have done this before replacing parts, but I plan to get hold of a multimeter and troubleshoot the wiring on both MAF and CPS.
2. If nothing works, I'm leaning towards bringing to my local dealer, which I REALLY want to avoid. I don't have a trustworthy mechanic yet.

QUESTIONS:
1. Am I on the right track?
2. Are there other things to consider?

Thx much!!
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