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89 740 turbo - sputters and pops when accelerating

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jessek
Posts: 16
Joined: 04 May 2011, 12:09
Year and Model: 1989
Location: hawaii

Post by jessek »

jessek wrote:OK, so I'm a new guy when it comes to these volvo things. So the car will start fine idle fine at about 800 to 1000 rpm. it will even accelerate ok at a slow pace. but when i get to about 40-50% throttle it will sputter, pop, and miss. When i floor it it will go back to running pretty well once it spools up. Could this be because the MAF sensor is jacked and is causing the ECU to make bad fuel inputs on the map between idle and WOT? Is that even how it happens on these cars? I've got alot of experience with fox body mustangs so I'm trying to apply it here. I put 92 octane and fuel system cleaner in it and no change. I have read about people cleaning the MAF sensor so i think thats the next step. I've done alot of searches here and elsewhere to no avail. hoping somone else has had this problem and its an easy fix [fingers crossed]. Thanks in advance

Jesse
problem solved----- new TPS seems to have taken care of it. fingers crossed. car drives pretty good now. thanks to the folks who posted about the problem
jesse
89 740 turbo

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