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Ignition Timing Problem,

beRwick_GTRage

By beRwick_GTRage,
in General Maintenance

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QWK32 Veteran

QWK32

Posted
Posted

actually 20 deg is the 5th mark from the left. the marks from the left are, 0 5 10 15 20 25 30. ignore any reading you get in consult at idle and go off the timing light.

which throttle body and TPS are you running? are you sure your unplugging the correct TPS plug?

mad082 Grand Master

mad082

Posted
Posted
the 4th mark from the left. on conzult my timing sits on 15 degrees when at idle.

how do i get to base idle mode using my consult cable?

4th mark is 15 degrees. as qwk32 said (and i meant to say), the 5th mark is 20 degrees, 4th mark is only 15 degrees, so your timing is correct as it is at the 4th mark which is 15 degrees and the consult is showing 15 degrees.

actually 20 deg is the 5th mark from the left. the marks from the left are, 0 5 10 15 20 25 30. ignore any reading you get in consult at idle and go off the timing light.

which throttle body and TPS are you running? are you sure your unplugging the correct TPS plug?

yeah my bad, can't count, LOL (had the workshop manual open and all, LOL)

beRwick_GTRage Rising Star

beRwick_GTRage

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4th mark is 15 degrees. as qwk32 said (and i meant to say), the 5th mark is 20 degrees, 4th mark is only 15 degrees, so your timing is correct as it is at the 4th mark which is 15 degrees and the consult is showing 15 degrees.

yeah my bad, can't count, LOL (had the workshop manual open and all, LOL)

sorry, i meant the 5th mark. i cant go any lower than the fifth mark with the tps unplugged.

also when idling normally with the tps in, i can set it to 15 degrees easily and the car runs nicely

when i pull the tps plug out it runs like crap and i cant set it any lower than 20

i cant be pulling out the wrong plug? probably am;

heres a pic of the one im pulling out. this is an rb25neo out of a stagea

dscn1840x.jpg

beRwick_GTRage Rising Star

beRwick_GTRage

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just double check that colour of the wires of the plug match the colour of the wires of the plug on the tps, since both it and the plug underneath send wires off in the same direction.

the two plugs at the top both go to the tps.

QWK32 Veteran

QWK32

Posted
Posted

sorry i should have mentioned, the bottom one (grey one) also goes to the TPS but it is a Throttle On/Off switch and is associated with an auto. what ecu are you running do you know? and auto or a manual one?

the black plug is the variable TPS signal you unplug when setting timing.

QWK32 Veteran

QWK32

Posted
Posted (edited)
ok so one if those plugs is for the tps and the other is for the throttle valve switch because this engine was from a auto stagea

do i pull out both plugs?

as above mate, you posted as i was replying. you don't unplug the bottom plug to set the timing. if your running the auto ecu, which isn't a problem, just make sure the bottom plug is plugged in incase the ecu is looking for that signal to help with idle time controls.

Edited by QWK32
beRwick_GTRage Rising Star

beRwick_GTRage

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  • Author
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as above mate, you posted as i was replying. you don't unplug the bottom plug to set the timing. if your running the auto ecu, which isn't a problem, just make sure the bottom plug is plugged in incase the ecu is looking for that signal to help with idle time controls.

ive been running an auto rb25neo stagea ecu; when warmed up and at idle timing sits at 15 degrees on the conzult software

when i put the car into base idle mode and try to adjust the timing i cant adjust it any lower than 20 degrees and it idles really rough.

i just tried a r34 manual rb25neo ecu; when warmed up and at idle timing sits at 5 degrees???? on the conzult software

and when i put the car in base idle mode it idles fine and am able to adjust the timing across the whole range

what options do i have?

beRwick_GTRage Rising Star

beRwick_GTRage

Posted
  • Author
Posted

problem solved.

used another timing light to confirm my readings. now its set to 15 degrees

and the car drives and runs fine

only problem is it wont start unless i remove the cas and turn it manually.

when its warm it starts without a problem

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