LOW REV PROBLEM
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LOW REV PROBLEM HELP
I just rebuilt my head and replaced all my head, intake, and exhaust gaskets she runs strong but I have a problem with take off and just low revving in general like she wants more gas but I wanna know why she studders from 1-2.5 revs after she just takes offlike but those revs are slow and bob she puts in those revs but right after she takes off like no ones business after I get past 2.5 rev???
Last edited by Jonathen Lee; Sep 11, 2018 at 11:01 AM.
Re: LOW REV PROBLEM
Check your ignition system. Put new plugs in if you haven't already (gapped correctly) and new plug wires. Take a look at your cap and rotor. make sure your ignition timing is set correctly. Probably not a fuel related issue if it wasn't doing this before the head rebuild. Check for vacuum leaks on the intake side of things as I assume you replaced o-rings and gaskets in the process. Research any MIL codes or OBDII codes you have as a starting point. If you don't have any yet, you can plug in a scan tool anyway and pull informatoin from the ecu (if it's OBD2). Bad IACVs can sometimes cause misfiring and drivibility issues as well, and you would get a code for that. Could also run a compression and leak down test to see if misfires are being caused by lack of compression.
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Joined: Nov 2007
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From: san diego, ca
Re: LOW REV PROBLEM
Check your ignition system. Put new plugs in if you haven't already (gapped correctly) and new plug wires. Take a look at your cap and rotor. make sure your ignition timing is set correctly. Probably not a fuel related issue if it wasn't doing this before the head rebuild. Check for vacuum leaks on the intake side of things as I assume you replaced o-rings and gaskets in the process. Research any MIL codes or OBDII codes you have as a starting point. If you don't have any yet, you can plug in a scan tool anyway and pull informatoin from the ecu (if it's OBD2). Bad IACVs can sometimes cause misfiring and drivibility issues as well, and you would get a code for that. Could also run a compression and leak down test to see if misfires are being caused by lack of compression.
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