No start

100

Asked by Feb 27, 2017 at 08:46 AM

Question type: Maintenance & Repair

I have a 1998 Pontiac sunfire it died and
won't restart I starting with Ching fuel and
spark both good replaced fuel filter
dropped gas tank to ck for possible trash
in pump cked fuel pressure it was 41 psi
cked injector pulse all good cked
compression all cylinders in normal range
cked plugs all good where would I go from
here if it jumped a couple teeth on timing
would I get correct compression on all
clylinders I had one code cked that it was
fine and it wouldn't make it not run anyhow

2 Answers

74,595

Sound like everything is going on to make this run, but a crankshaft sensor would be holding it back. And what was the code? It always helps to know.

100

The code was Po 108 map sensor I don't think that would make it not run I did ck the wiring to sensor that's good I pulled vacuum on sensor and voltate changes.If crankshaft sensor was bad wouldn't I not get spark

Your Answer

Shortcuts

Maintenance & Repair Experts

  • #1
    Tom Demyan
    Reputation
    181,670
  • #2
    dandyoun
    Reputation
    95,990
  • #3
    tennisshoes
    Reputation
    79,620
View All

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.