Won't start has gas, spark

Tiny
TOM STEAL
  • 1999 MERCURY VILLAGER
  • 120,000 MILES

Changed the knock sensor, now it won't start just cranks. Distributor brand new there's sparks on all plugs. Checked gas flow from filter and return good, there is alot of gas on spark plugs when I pull them out. What could be the problem.

Do you
have the same problem?
Yes
No
Sunday, September 25th, 2011 AT 11:25 PM

13 Replies

Tiny
ASEMASTER6371
  • EXPERT
  • 25,554 POSTS

You need spark, compression and fuel pressure. Something is not there. You need a fuel pressure gauge to test pressure, spark check and compression. I would start there.

Roy

Was this
answer
helpful?
Yes
No
Monday, September 26th, 2011 AT 12:18 AM
Tiny
TOM STEAL
  • MEMBER

Having excessive gas on the spark plugs does that have to deal wit fuel pressure. Jus gotta get a pressure gauge to check the fuel pressure, 'and compression. Thanks Aaloha!

Was this
answer
helpful?
Yes
No
Monday, September 26th, 2011 AT 2:10 AM
Tiny
ASEMASTER6371
  • EXPERT
  • 25,554 POSTS

Could be no spark or timing.

Roy

Was this
answer
helpful?
Yes
No
Monday, September 26th, 2011 AT 2:19 AM
Tiny
TOM STEAL
  • MEMBER

There's spark, timing I had put it on top dead center the rotor in the distributor points to number 6, is it suppose to be in position 2 o clock cause thats like number three. Is it suppose to be on number one on the distributor cap.

Was this
answer
helpful?
Yes
No
Monday, September 26th, 2011 AT 2:31 AM
Tiny
ASEMASTER6371
  • EXPERT
  • 25,554 POSTS

Tdc is number one cylinder. Make sure it is on the compression stroke and not on overlap.

Roy

Was this
answer
helpful?
Yes
No
Monday, September 26th, 2011 AT 2:33 AM
Tiny
TOM STEAL
  • MEMBER

Yeah I bring number 1 cylinder up to top, pull the cap of the distributor and the rotor points between 3 and 2. Should I rotate the pulley till it hits one, but that won't make it tdc, how do I make sure it's on compression stroke not overlap

Was this
answer
helpful?
Yes
No
Monday, September 26th, 2011 AT 3:03 AM
Tiny
ASEMASTER6371
  • EXPERT
  • 25,554 POSTS

Remove number one plug and when you rotate the motor, you will feel pressure against your finger. Do not rotate the pulley. You must remove the distributor and place it with the rotor pointing toward number 1 wire.

Roy

Was this
answer
helpful?
Yes
No
Monday, September 26th, 2011 AT 3:08 AM
Tiny
TOM STEAL
  • MEMBER

Thanks that makes sense. Aaloha!

Was this
answer
helpful?
Yes
No
Monday, September 26th, 2011 AT 3:28 AM
Tiny
ASEMASTER6371
  • EXPERT
  • 25,554 POSTS

Good luck

Was this
answer
helpful?
Yes
No
Monday, September 26th, 2011 AT 3:30 AM
Tiny
TOM STEAL
  • MEMBER

Yeah tried, still no start. I'mma keep trying. Much mahalos (thank you). Aaloha!

Was this
answer
helpful?
Yes
No
-1
Monday, September 26th, 2011 AT 3:41 AM

Please login or register to post a reply.

Other Engine No Start Questions