20 Most Recent 2003 Oldsmobile Silhouette - Page 3 Questions & Answers

Zero compression could be a lot of things, All major. Piston or ring problem, intake or exhaust valve not seating or burnt.Or problem with valves not opening at all.And so on. You need to have it checked by a good shop you trust.

Be careful because if it is cold enough the freeze petrol it will have frozen the engine oil as well.

check the fuel pump and regulator in the fuel manifold. Check that the injectors are getting power. check that the immobiliser is operational.

switch relay bad or body switches bad..

check how you fitted the pump as there is an inlet and an outlet side to the pump.

THE thermostat could be stuck shut,take it out ,try the thermostat in boiling hot water to see if it is opening,or itcould be a headgasket,look to see if there is water on the dip stick

Put the gas in the tank, let everything settle, turn key off, then back on to on position, but NOT start. Let the fuel relay engage the pump and draw some gas pressure. Give it a good minute and it'll start right up.

The battery may have just enough to power the lights, but not enough current. May need to be charged, if its 5+ years old, replace. If its clicking, you will need a new starter.

My transmiton won shfit and when it does it shifts hard what can i do

yes probably have debris in ur fuel system from filter to cylinders p0300 is not a generic code it means multi- misfire codes not just one cylinder but others -pull the filter housing-throttle/fuel injectors apart and look and inspect for debris and clogs than do cylinder pressure check to make sure no damage to valves/pistons and when pulling the plugs and look at them for proper burn ---when u get a code[check engine light]it means u have or are going to have a problem pouring an additive doesnt correct the problem additives are usually for poor gas or help with friction in motors

Disconnect the battery for 20 sec and that will clear memory