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The electronic throttle actuator (throttle body) can fail causing a loss of power ... start it studders like it is running on 2 cyl. then switches to 3 cyl. then to 4. but ... Throttle body replaced on my 2006 Nissan Sentra 1.8 engine. ... I Was going up a hill and I tried to speed up, all of a sudden my car bogs down and completely dies.
which engine. the 1.6 or 1.8 toyota engine (its a corolla in snake skins) 4afe or 7afe ,
cold or hot?
warm / hot , is specified in the Factory service manual.
most cars get at least 150PSI (wide open throttle) hot (warm) , sparks out.
the compression ratio is the key factor for compression.
The 7A has 9.5 CR, way more than the 4A.
if way low on all cylinders the cam belt slipped, ever do a belt job at 60k?
here is an actual test off a good, 7afe
Compression test dry: CYL 1=210/CYL 2=200 CYL 3=205 CYL 4=205
when the belt slips the PSI can drop to 90 easy
and fail.
rules:
battery charged
spark plugs removed block open throttle (and if smart pull fuel pump fuse)
crank until the needle goes steady. using remote start cable at starter lug, works best (safety , 3 ways)
bingo
repeat
you could try getting one made it would be the same as a peddal bike break cale could also try ebay or on line salvage companys who will post one to you hope this helps
look for the throttle body, if you have an engine cover, take it off, look for the cable, the throttle body would be right after the air intake system which is off to the side of the engine. big black box with a thick black hose running to the throttle body which would have the cable attached.
The only way an engine can run Wide open is if the throttle plate is opened all the way, allowing a large volume of air in to the engine. Check the throttle plate and see if it is hung up or possibly the throttle cable is frayed and holding the throttle open. It is not the injectors, they operate on inputs from the PCM.
remove the air inlet hose to expose the throttle body, open the flap(simulating wide open throttle) spray carb n choke cleaner in to the engine if the engine start u have a fuel problem, like fuel pump or no injector pulse. if the car still doesnot start then u have a ignition problem, cranksensor or cam sensor etc... they should set a code
you need to loosen the clamp on the throttle body and unplug the map sensor then there are two clips on the other end pull that out and you should be able to pull the filter out you don't need to take the box off.
Chrysler ingine throttle stuck wide open
hesitation and jerks and backfires
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