Will not start for the life of me.

Furai · Post by **Furai** » Sun Aug 18, 2013 5:27 pm

So just finished installing new motor and she wont start.

We have fuel with good pressure.
We have spark.
Even if the CAS is out is should still try to start or backfire?
Fuel lines are the right way.
Spark plugs are good.
Is the sensor going into the thermostat going to stop it from starting if its broken?
Checked all fuses in engine bay and under steering.
We get what smells like fuel coming out the intake in smoke.

What else could it be?

built4speed · Post by **built4speed** » Sun Aug 18, 2013 5:37 pm

Check you have the leads in the right order on the coil packs.
Some ecus will require the temperature input, unsure if mx5s do.

Furai · Post by **Furai** » Sun Aug 18, 2013 5:51 pm

Leads are in the right order but I will triple check. Might have to replace the sensor and see, could anyone unplug their one and see if it starts?

siren676 · Post by **siren676** » Sun Aug 18, 2013 5:53 pm

I would think that it would require the temp sensor being plugged in. I know the engine in my other car didnt like it being removed/wired up wrong as it made the car run so lean that it wouldnt even start.
CAS timing set right?

Furai · Post by **Furai** » Sun Aug 18, 2013 6:03 pm

Temp sensors plugged in but the plastic holding it snapped, so its in just not secured.

CAS is set the same as it was but it should still start?

siren676 · Post by **siren676** » Sun Aug 18, 2013 6:12 pm

Try get any codes out of it?

Furai · Post by **Furai** » Sun Aug 18, 2013 6:15 pm

Yeah as I said no error codes but there isnt many codes anyway they are pretty basic.

siren676 · Post by **siren676** » Sun Aug 18, 2013 6:32 pm

hmmm have you tried turning it off and on again?

Is the turbo plugged in?

Furai · Post by **Furai** » Sun Aug 18, 2013 6:34 pm

Tried resetting ECU twice, will try new plugs tomorrow

siren676 · Post by **siren676** » Sun Aug 18, 2013 6:39 pm

Leave the plugs out overnight to let the fuel evaporate

2low2c · Post by **2low2c** » Sun Aug 18, 2013 8:59 pm

if you have smoke out the inlet then your timing is proboly 180 degrese out try swaping the leads from one coil tothe other .the sensor on the thermost housing is just the fan switch so wont stop it from starting.

2low2c · Post by **2low2c** » Sun Aug 18, 2013 9:01 pm

or your cam timing is out

Kieran · Post by **Kieran** » Mon Aug 19, 2013 11:32 am

Whats the new motor out of?

Found it on Facebook I thought it was an NB

If your cam timing is correct check the sensor on the right of the crank pulley it reads the timing wheel position and it is very VERY easy to knock slightly out of place.
I am assuming the 1.6 NB's run of a timing wheel the same as the 1.8's

brownie · Post by **brownie** » Mon Aug 19, 2013 9:53 pm

So what engine have you used ?,Is it a standard NA 1.6?,or a NB 1.6?,2 quite different motors when it comes to ECU and timing side of things.

Furai · Post by **Furai** » Mon Aug 19, 2013 11:23 pm

I have a few more things to try tomorrow but details are,

NB6 Block and head, Modified intake Cam to accept NA6 CAS, All NA6 Accessories(Alternator, intake, exhaust, sensors)

So timing is the most likely cause

Furai · Post by **Furai** » Sat Aug 24, 2013 5:21 pm

Sorted

SLYDIT · Post by **SLYDIT** » Sat Aug 24, 2013 5:27 pm

sorrry furai but that sucks..
you cant just post "sorted"
do us all a favour and post what the cause was.

Furai · Post by **Furai** » Sat Aug 24, 2013 5:41 pm

Sorry, was a slight difference in the timing gears from NA6 To NB6 Motor. Made me stuff up the timing because of it.

SLYDIT · Post by **SLYDIT** » Sat Aug 24, 2013 5:43 pm

so how did you get the NB1600 to hook up to the NA?? i may be looking at doing this swap as i think my 1600 may be on the way out.

Furai · Post by **Furai** » Sat Aug 24, 2013 6:02 pm

Get a spare intake cam, cut off the key for the CAS and weld or attach onto NB6 Camshaft. Use all NA6 accessories and NA8 alternator.

CordedBowl · Post by **CordedBowl** » Sat Aug 24, 2013 11:23 pm

Great news Furai, stoked for ya!

bgg846 · Post by **bgg846** » Mon Nov 17, 2014 2:33 pm

il hi jack this to save making a new tab thing seings how the title applies and some of the symptoms.
iv done an engine conversion from a 93 na8 into a 90 na6. got a meagasquirt. cop ignition. light weight flywheel. 530cc injectors.
and iv turbod it but i cant see that interacting with any of my symptoms.

basicly it wont start. it trys cranking and stops. checked the battery and all seems sweet.( 12.5 volts. drops to 9 when cranking). hooked some jumper leads on with another car and kept doing the same thing

i put a power bar on the crank to turn it over by hand and theres a point where it gets very hard to turn. if you put abit if weight in to it itl turn slowly and can hear a slight hiss from the back of the engine on the intake side. i can smell fuel in the intake manifold and its left a puddle of fuel on the ground

any help would be appreciated.

evel · Post by **evel** » Mon Nov 17, 2014 5:05 pm

by cranking and stops, do you mean its like slows down and dies or is it like you let the key go and its gone from full cranks to dead?
Have you checked spark?

bgg846 · Post by **bgg846** » Mon Nov 17, 2014 5:53 pm

yeah slows to a stop like starter hasnt got enough grunt. no havnt checked spark

Will not start for the life of me.

Will not start for the life of me.

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