I replaced the engine in my 2006 Volvo S40. it runs, but says "reduced engine capacity" and will only accelerate to 20 mph. Is this a computer issue?

I replaced the engine in my 2006 Volvo S40. it runs, but says "reduced engine capacity" and will only accelerate to 20 mph. Is this a computer issue? 2 Answers

Yesterday I tried several times to start my 2001 S40 Volvo. It says "in service" and "check engine" 1 Answer

From yesterday, each time I start my car. the "in service" and "check engine" lights are on. What should I do to deal with this problem? Is it safe for me to drive on free way to have my car checked b...

Any suggestions on why my 2000 S40 Volvo runs great but the only issue when I turn off the motor to run into the store and get back out the car won't start usually need to wait 20 to 30minutes starts 1 Answer

Just replace one of my sensors.

Can I install a 2004 1.9 liter turbo s40 engine into my 2001 Volvo s40 ? Was there Any changes in the wiring or motor Mount position or any other things to be aware of when doing this...? 3 Answers

2001 Volvo s 40 1.9 liter turbo to 2004 s40 1.9 liter turbo?

My 2001 volvo s40 has the Check Engine light and it feels like I'm pushing engine and right when I let go of the gas speed downgrades quicker than usuall. Lookin to drive to Chicago from Texas. 5 Answers

My uncles a mechanic over I'm Chicago so I know I can trust him.