Meteshjj
Probationary Member
- 26
- 1
- Sep 1, 2015
-
Bozeman,
Montana
I have always loved DSM cars. My friend had a 91 Laser that was faster than every car we had (except my Cummins). Last week, I decided to buy one. So, for $500 I picked up an untouched, second-owner 1992 Eagle Talon TSi AWD w/ LSD. Aside from the K&N air filter, everything on this car is bone-stock. However, it has been sitting for 4 years.
I've gotten old (Read: unused) cars before, so I did all of the normal stuff to get it going again: Fuel pump, filters all around, cleaner sprayed through all of the hoses, etc. It only had about a gallon of fuel left in the tank, so I diluted it with 11 gallons of premium and some fuel system cleaner. This got the car to fire off of starting fluid, but nothing else.
At this point, I figured the injectors were probably toast, so for $40 I bought some black top 450cc injectors from a friend who has a 2G Eclipse. This got it to run on its own (hooray!). It wouldn't rev up past 4k, though. The same friend suggested that it could be the ECU. Being that he is a Mitsubishi mechanic, I pulled my ECU and noticed rust on the back side. He cleaned off the ECU and replaced the caps with solid-state caps and I put it back in.
Now, the car won't run past 4k unless you add fuel straight to the intake (taking place in the form of carb cleaner). Once you do that, it will rev all the way to redline until it runs out of that fuel. Normally, I'd suspect it being lean, but the tail pipe has a lot of black smoke coming from it. When I pulled the plugs, they were incredibly fouled. Cleaning them does nothing, and they foul again within minutes.
So, my two questions are: will bad fuel do that to a turbo DSM (I've never had problems with it this bad, but those cars were all v8's)? Is it possible the ECU is still dead? Any help would be appreciated. I have a fuel pressure gauge, A/F gauge, and a better boost gauge on the way as we speak, so I'll know more when they get here.
I've gotten old (Read: unused) cars before, so I did all of the normal stuff to get it going again: Fuel pump, filters all around, cleaner sprayed through all of the hoses, etc. It only had about a gallon of fuel left in the tank, so I diluted it with 11 gallons of premium and some fuel system cleaner. This got the car to fire off of starting fluid, but nothing else.
At this point, I figured the injectors were probably toast, so for $40 I bought some black top 450cc injectors from a friend who has a 2G Eclipse. This got it to run on its own (hooray!). It wouldn't rev up past 4k, though. The same friend suggested that it could be the ECU. Being that he is a Mitsubishi mechanic, I pulled my ECU and noticed rust on the back side. He cleaned off the ECU and replaced the caps with solid-state caps and I put it back in.
Now, the car won't run past 4k unless you add fuel straight to the intake (taking place in the form of carb cleaner). Once you do that, it will rev all the way to redline until it runs out of that fuel. Normally, I'd suspect it being lean, but the tail pipe has a lot of black smoke coming from it. When I pulled the plugs, they were incredibly fouled. Cleaning them does nothing, and they foul again within minutes.
So, my two questions are: will bad fuel do that to a turbo DSM (I've never had problems with it this bad, but those cars were all v8's)? Is it possible the ECU is still dead? Any help would be appreciated. I have a fuel pressure gauge, A/F gauge, and a better boost gauge on the way as we speak, so I'll know more when they get here.