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sprinkles08, ASE Certified Technician
Category: Toyota
Satisfied Customers: 23004
Experience:  ASE Master and Advanced level certified. Factory trained with 15 years dealership experience
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2001 corolla just overhauled replaced fuel pump intake9 not

Customer Question

2001 corolla just overhauled replaced
fuel pump
intake9 not milled old one put on new one) and gasket
throttle gasket
new plugs and coils
new injectors
new pcv
complete piston and rings and bearings
heads rebuilt
new oil pump
new water pump
front 02 sensor about year ago
new MAFlow
problem are
no power at low RPM's hesitates with giving gas,or going up grade
Submitted: 1 year ago.
Category: Toyota
Expert:  Pete replied 1 year ago.

Hi my name is ***** ***** I will be happy to assist with this today.In some cases I may need more info to assist better.I apologize for any delay.

Was this an issue before the over haul was done?

Let me know so we can continue,thanks Pete.

Customer: replied 1 year ago.
no, started to use some oil dig. test showed plug miss fire decided to do complete overhaul
Expert:  Pete replied 1 year ago.

Did you double check and make sure the timing components were all installed and lined up properly?

Is or has the check engine light come on or have you had the fault codes checked at all?

Customer: replied 1 year ago.
no engine light, no fault codes showing up
Expert:  Pete replied 1 year ago.

Have you had the exhaust tested for excessive back pressure at all?

Customer: replied 1 year ago.
not a issue
Expert:  Pete replied 1 year ago.

O.k.,this is a tough one for me to answer myself here.

I will open your question up for others here to see if someone else can assist further on this as there may be others here that may have more info on what to check or do with this issue.I hope you can get this resolved with ease.No need to reply to my last post here unless it is a last resort as it will keep your question locked to me and others will not be able to view it.If you feel you want to continue to work with me on this feel free to reply at any time but keep in mind in some cases it can be difficult to fully diagnose or help repair this without seeing your vehicle.

Thanks Pete

Expert:  sprinkles08 replied 1 year ago.

Hello and welcome to JustAnswer!

Incorrect cam timing is a very likely cause for this if the problem wasn't present before the engine was disassembled.

Do you have a vacuum gauge?