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2.3l isuzu wont turn over has spark , compression, and fuel
1991 Isuzu Pickup

2.3l isuzu Wont turn over has spark , compression, and fuel

(1991 Isuzu Pickup)
2.3l 91 4dz1 isuzu has fuel spark n compression but wont start it was running 3 days ago i put new fuel lines on it fired right up 4min later it died the carb was flooded so had the floats adjusted but it wont fire?
Tags: isuzu, pickup
1 answer & 7 comments
Popular Answer
on January 15, 2018
Try holding accelerator pedal to floor while cranking - - *Fuel fouled* spark plugs may need to be removed and dried - or replaced.
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on January 15, 2018
Thanks i will do that now n let ya know i appreciate your reply
on January 15, 2018
✔️
on January 15, 2018
Yeah all plugs in good shape,u have anymore troubleshooting steps?
on January 15, 2018
IF excessive fuel has washed all oil from cylinder walls - compression will be too low for proper combustion .. Recommend TESTING compression with gauge - even if it passed the test previously - check it again.

IF compression is low due to fuel wash - adding a tablespoon full of transmission fluid (light oil) to each cylinder will boost compression.

I am assuming the ignition spark is adequate enough(?) .. The reason I’m thinking flooded engine is - that’s what you posted - and - the fact that the engine was running ok before hand.

The spark plugs should have obviously had gas on them when removed.

*Hands-on* help by qualified personnel may be in order.

Good luck with it!
on January 15, 2018
Shoot the engine was n still might be flooding i will test the compression gonna have to wait til after work tomorrow but i will shoot u a responce!! Thanks again!!
on January 16, 2018
✔️
on January 25, 2018
Hey pushrod thanks again for your input!! Have another question i got her running 2.3l 4dz1 but im not getting any acceleration i couldnt even get over a little hill by my house!! Any suggestions would b greatly appreciated!! Thanks again!!
General Diagnosis
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on January 15, 2018
Try holding accelerator pedal to floor while cranking - - *Fuel fouled* spark plugs may need to be removed and dried - or replaced.
Sign in to reply
on January 15, 2018
Thanks i will do that now n let ya know i appreciate your reply
on January 15, 2018
✔️
on January 15, 2018
Yeah all plugs in good shape,u have anymore troubleshooting steps?
on January 15, 2018
IF excessive fuel has washed all oil from cylinder walls - compression will be too low for proper combustion .. Recommend TESTING compression with gauge - even if it passed the test previously - check it again.

IF compression is low due to fuel wash - adding a tablespoon full of transmission fluid (light oil) to each cylinder will boost compression.

I am assuming the ignition spark is adequate enough(?) .. The reason I’m thinking flooded engine is - that’s what you posted - and - the fact that the engine was running ok before hand.

The spark plugs should have obviously had gas on them when removed.

*Hands-on* help by qualified personnel may be in order.

Good luck with it!
on January 15, 2018
Shoot the engine was n still might be flooding i will test the compression gonna have to wait til after work tomorrow but i will shoot u a responce!! Thanks again!!
on January 16, 2018
✔️
on January 25, 2018
Hey pushrod thanks again for your input!! Have another question i got her running 2.3l 4dz1 but im not getting any acceleration i couldnt even get over a little hill by my house!! Any suggestions would b greatly appreciated!! Thanks again!!

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