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Cars & Trucks Master
Re: blown intake monifold
Doesn't mean it's intake manifold , could be burnt intake valve . Have a cylinder compression test to find weak cylinder , then do cylinder leak down test ! If you are unfamiliar with this , I suggest you take it to a ASE certified repair shop ! IF it is a burnt intake valve that cylinder hear will have to be taken off an taken to a automotive machine shop !
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I believe this can be a bad O2 sensor error. It is a lean reading on bank 1. Also what can happen are intake manifold leaks, and stuck Intake manifold runners on 1 side of the engine. For the Manifold runners, these work like a gating system. Some Intake manifolds have 2 chambers, a low and high flow. When the gating runner sticks in the high flow position, too much air enters the engine on Bank 1 during idle or low rpm. Manifold leaks. Use a spray water bottle and with the engine running, spray the seams of the manifold. A leak will change rpm or stall the engine. Hope this helps you.
remove them from any angle possible. as for tools should be metric or standard octagonal heads. make sure you disconnect the battery so you dont cause a short or pop anything. took me 3 altenaters to learn that.
I have fix this problem before it was my boss truck the problem was with the intake leak it was sucking air trow the intake try get a piece or hose and get close to the intake and see if your heard some sucking noise and also I did replaced the mass air flow sensor was bad and is on top of the electronic carburator injectors but when the air flow sensor is bad your truck don't seems to be stable at low rpm's and they do the same thing with an intake air leak so look for those 2 problems you may have only 1 of this cyntom but 1 is enough