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95 xr7 wont start after head gasket up replacement,got spark got fuel set timing. only thing is intake blows instead of sucks? is that normal? what could the problem be?

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  • schnurr164 Oct 11, 2008

    If thats the case then whats the easiest fix? can I pull the number 1 spark plug and try to set the timing again manually by feeling for the air push from the cylinder? thanks for the insight !!

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Do you mean the air intake? If your air intake blows and the motor doesn't run it may mean your valve timing is wrong. How did you set your valve timing after you took off the head? If you weren't careful you may have set the timing for number 1 cylinder on its exhaust stroke and not its power stroke. This will put your timing 360 degrees out.

Incorrect valve timing may produce the effect that the engine pumps air out of its intake when it is cranked.

Posted on Oct 10, 2008

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Why wont my 1998 sunfire start?


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What problems will you have before you blow a head casket


before???? (2.5L , v6/) i have a 04 GV, 2.5L with full factory docs.
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my guess, car wont start.
1 check all fuses in both boxes. EFI dont run with them blown,
2 check compression, if bad, 150psi on all, is normal, wide open throttle checked only.
if compression is good, the gasket is mostly good
there 2 more tests in this regard, 1: exh, in rad neck tester, and rad leak down tester) the exh, method sure can warn of early head gasket failures.
3: check for spark at all cylinders, not just 1 and check timing same.
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I have a 1993 jeep grand cherokee limited 4x4 stight 6 i went to try to adjust ignition timming one day and the time jumped on me i later figered out that u cant adjust that on this motor , i timmed it...


Do compression test first. Have you got a blocked air intake? Sometimes people put a rag over the intake tube inlet when blowing outthe air box & forget it & it gets sucked in & blocks airflow. The things I think of are straight away are Spark, Fuel, Fuel pressure, Air, Timeing, Compression

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1 Answer

Head gasket was leaking on my 86 mr2 Replaced the


Check all the wiring connections that you loosened or took off when you removed the head. something is loose or disconnected ,eg., ground wires .
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Did you try spraying starting-fluid in the intake, see if the engine runs for a little bit.
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2 Answers

Still wondering


is there water in oil or oil in coolant?those cars have bad rep for heads and head gaskets blowing....
sounds like head gasket blew, water sucked into cyl.
check spark plug if might have wet contact from water in cyl.

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I replaced the head gaskets and put back together set the timing manually with compression stroke at #1 cylinder car wont start and blows air out of intake connection to air filter? what did I screw up?...


Serious trouble. Distribution belt problem.
Valves opening at wrong interval.
You forgot to line up the timer marks.

Read a basic book next time.
Did you knock the cylinderhead of by leaving one bolt behind and turning it off or did you forget that one to.
Tightening fromm the middle towards the end.
Head always to be regrinded until mininimum because of warp?
Nice to grind in valve seats in as well then. And a few other things.

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Hello Trey,
Thank you for choosing FixYa.com for you answer I am David
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