I had to replace the lifters and after putting everything back together I now have a Malibu that runs super rough like a bad timing issue. While I had it's chest open I installed new spark plugs, coil pack, and plug wires. I also replaced the injectors, and fuel pressure regulator. I don't think I cross plugged anything as the plugs are different pin configurations. I'm thinking I have a vacuum issue. I cleaned the MAF and added a new air filter. Any suggestions would help. Thank you.
Malibu x
What we take from this when we read it is "I just did a bunch of work on my car and now it runs really badly. What happened?"
Here are the only two things I can offer: 1. Did you use all OEM parts? The car hates cheaper aftermarket replacements. 2. If it's running that bad, it should be throwing codes. What are the codes?
Here are the only two things I can offer: 1. Did you use all OEM parts? The car hates cheaper aftermarket replacements. 2. If it's running that bad, it should be throwing codes. What are the codes?
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