I recently replaced my 22RE engine on my 86 4runner. It's an 87 engine 22RE. Since I put it in and everything it's been running rough. I'm not sure if the timing is dialed in properly and it keeps stalling out, almost sounding like it's starving for fuel. It's been running somewhat ok except for this stalling out which started last night. When I open the oil cap when it's running it instantly dies. Any thoughts on the issues?