89' STS 2 port TBI - RECENT HISTORY: Replaced fuel tank, pump and sending unit. All were used but from a desert car so there was no rust. The inside of the tank was professionally cleaned before installation. The tank is spotless inside and out.
After replacement, the car ran fine for 3 or 4...
This is an 89 Seville STS 4.5L 273. I had the oil pressure sensor / switch replaced because I thought it was leaking. Then I had a problem where I plug came off and the car wouldn't start. I cursed my mechanic and tried to put it back on. At the time it appeared that the plug had been broken so...
Ok I'm looking to replace the factory stainless muffler on my 89' STS with a performance stainless steel model. I assume I'm going to have to go with a universal muffler.
When I measure the dimensions do I measure to the outside of the rolled edge or the inside? Anyway here's what I have...
We're talking about my 89 Seville STS. 4.5 TBI which I posted a long repair history in the Reports, Reviews & Articles forum. After all that the car still idles high but it's different now. It idles high until you stop then like one second after the car isn't moving anymore the idle goes down. I...
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