Engine turns but dont start"

MASSEY

MEMBER
1993 PLYMOUTH SUNDANCE
6 CYL
FWD
AUTOMATIC
90,000 MILES

I got a 1993 duster with the 3.0 v6 one day it just wouldn't start. It trys to but sputters then pops out of the intake. And yes i'm getting fuel/spark/fuel pressure is good/and coil spark is good also. What else could it be?

Tuesday, December 21st, 2010 AT 5:19 PM

5 Replies

JDL

MECHANIC
16,098 POSTS

What was the fuel pressure spec? Check for applicable mil codes. Maybe a timing issue?

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Tuesday, December 21st, 2010 AT 5:40 PM

MASSEY

MEMBER
6 POSTS

Lbs out the fuel lines are 40 and 12Lbs out of the injecters. Retimed the engine and now comes closer to starting but sputters a few times then stalls. Once in a while it will sneas out the intake. But also the fuel safty switch relay keeps clicking. What do you sajest

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Tuesday, December 21st, 2010 AT 8:50 PM

JDL

MECHANIC
16,098 POSTS

Were there any mil codes? You may need to check compression? Which relay is clicking?

Image (Click to make bigger)

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Tuesday, December 21st, 2010 AT 10:38 PM

MASSEY

MEMBER
6 POSTS

All the relays are good in the car.

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Thursday, December 23rd, 2010 AT 5:27 AM

JDL

MECHANIC
16,098 POSTS

To check for possible mil codes, you turn the key just till the dash lites come on, no further. Cycle the key on--off, on--off, on, then the mil starts flashing on the dash, you count the flashes to get the codes. Your looking for two digit codes. Example, a code 23 would be 2 quick flashes followed by a slight pause then three quick flashes.

If one of the relays in the diagram is clicking, If you click on the diagram, the picture will enlarge. I just wondered which one it was. If you put your finger on the relay, you should feel the vibration if clicking.