Hi guys,
I have recently done quite a bit of maintenance on the car and now it sounds like a WRX and has a heavy rumble.
Maintenance carried out:
Symptoms:
What I have tried/tested:
Any help or advice is greatly appreciated
I have recently done quite a bit of maintenance on the car and now it sounds like a WRX and has a heavy rumble.
Maintenance carried out:
- Replaced distributor o-ring (was leaking)
- New distributor cap + rotor
- New spark plug leads
- Ultrasonically cleaned injectors
- Replaced valve stem seals
- Lifters cleaned out
Symptoms:
- When I put my hand on the exhaust it fluctuates between pressure and vacuum (so my hand gets sucked onto the tail pipe, then pushed out etc)
- Though I have not driven it, the rpm hesitate to rise when throttle is given, so lack of power
- Sounds like a WRX
- Rumbles/vibrates quite a bit
What I have tried/tested:
- Checked spark leads are in correct spot - They appear to be correct
- Disconnected each spark lead out - idles worse on each lead taken out
- I have disconnected 3 of the front injectors, the middle one seemed to make no difference in idle. Replaced this injector with my old one but made no difference in how it runs
Any help or advice is greatly appreciated