After finally sorting all my electrical gremlins, I started the car only to find it wont rev past about 2000rpm. If I hold the accelerator down it will rev to 2000rpm, then drop off, then rev back to 2000 rpm, then drop off etc.
At first I thought it may have been a leak in the inlet manifold but after looking I couldnt find anything so Im fresh out of ideas. I also thought it could have been the ecu but when I first started it it was revving to 4000rpm+ no probs. It only started when it had been idling for a few minutes. I also checked the air filter/intake and all the piping.
Btw, the engine is a 4age (tvis model) in a suzuki sierra.
Basically I have NFI what it could be? Any Ideas?
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Wont rev
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not sure about the engine your using but i know with commodores ( v6 )
that you need to let it sit for 3 to 5 minutes after getting it started for the first time on a new / changed engine.
The computer needs to reset it self.
if not what about water in the plugs / leads / coil / fuel.
might be a stupid question but does it sound electrical or fuel.
the way you describe it it sounds like fuel. maybe water in the tank, blocked filter or line.
hard to say without hearing it.
good luck with it.
nick
that you need to let it sit for 3 to 5 minutes after getting it started for the first time on a new / changed engine.
The computer needs to reset it self.
if not what about water in the plugs / leads / coil / fuel.
might be a stupid question but does it sound electrical or fuel.
the way you describe it it sounds like fuel. maybe water in the tank, blocked filter or line.
hard to say without hearing it.
good luck with it.
nick
Changed the tps today (also gave the throttle body a good clean) and while it still has the problem it can rev all the way through the rev range now it just cant hold the revs at anything other than idle.
The plugs, leads and coil are all new, as well as all the rotor button, cap, filters, oil and coolant.
The fuel pump is sweet as is the pressure, I also removed the fuel lines and made sure they were'nt blocked (which they were'nt). The injectors are all good and pulsing correctly etc.
I also spent most of an afternoon searching for a vaccuum leak between the TB and the intake manifold to no avail.
I cant think of too much else it could be. Im officially stumped. Thanks heaps for all the replies though fellas. Much appreciated.
The plugs, leads and coil are all new, as well as all the rotor button, cap, filters, oil and coolant.
The fuel pump is sweet as is the pressure, I also removed the fuel lines and made sure they were'nt blocked (which they were'nt). The injectors are all good and pulsing correctly etc.
I also spent most of an afternoon searching for a vaccuum leak between the TB and the intake manifold to no avail.
I cant think of too much else it could be. Im officially stumped. Thanks heaps for all the replies though fellas. Much appreciated.
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|.........SUZUKI..........| ||'|";, ____.
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(@)'(@)"""''"**|(@)(@)*****''(@)
|.........SUZUKI..........| ||'|";, ____.
|_..._..._______===|=||_|__|..., ]
(@)'(@)"""''"**|(@)(@)*****''(@)
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